240 GB · 2.5-inch standalone SATA · SA400S37/240G
A 240 GB 2.5-inch SATA SSD rated up to 500 MB/s read and 350 MB/s write, with an 80 TB endurance rating and a three-year warranty.
Specifications checked 11 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specifications1 TB · 2.5-inch SATA · MZ-76E1T0BW
A 1 TB 2.5-inch SATA SSD rated up to 550 MB/s read and 520 MB/s write, with TLC V-NAND, 1 GB LPDDR4 cache and a 600 TB write rating.
Specifications checked 11 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Decimal storage capacity: 1 TB = 1,000 GB. Formatting and system use reduce available space.
Check the connection before the capacity. M.2 NVMe modules and 2.5-inch SATA drives are not interchangeable. Check the host’s protocol, slot or bay, power connection and clearance. Rated speeds use different test systems; we do not turn them into a speed score or overall winner.
12 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · Manufacturer-listed capacity; formatting and reserved functions reduce usable storage.
Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetManufacturer specification · Decimal capacity; formatting and system use reduce available space.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification · Published endurance rating derived from the JEDEC Client Workload (JESD219A). Warranty ends on the stated time or wear conditions. This is not a guaranteed service life.
Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetKingston limited warranty — SSD family and wear-indicator conditionsManufacturer specification · Capacity-specific warranty write threshold, not a guaranteed failure point.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetSamsung consumer SSD limited warranty — model, capacity and first limitCheck the exact configuration and source conditions for your use.
Manufacturer specification · Maximum time term; coverage can end earlier at SATA SMART attribute 231 (SSD Wear Indicator) reaching a normalized value of 1 in Kingston SSD Manager. Eligibility and full terms apply.
Kingston A400 — manufacturer specificationsKingston limited warranty — SSD family and wear-indicator conditionsManufacturer specification · Time limit, not predicted lifespan; coverage also ends at the TBW threshold and is subject to full terms.
Samsung 860 EVO — manufacturer specificationsSamsung consumer SSD limited warranty — model, capacity and first limitCheck the exact configuration and source conditions for your use.
Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed.
Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetManufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetManufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.
Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state.
Samsung 860 EVO — capacity-specific datasheetManufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.
Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state.
Samsung 860 EVO — capacity-specific datasheetManufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.
Manufacturer specification · Subject to original-purchase eligibility and full manufacturer terms. Published TBW is a separate endurance rating from the wear-indicator warranty limit.
Kingston A400 — manufacturer specificationsKingston limited warranty — SSD family and wear-indicator conditionsManufacturer specification · Manufacturer coverage is subject to purchase eligibility and applicable terms. A used drive may have less coverage left.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetSamsung consumer SSD limited warranty — model, capacity and first limitCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer family-sheet states; no capacity-specific test system or average workload is supplied. Not a measured continuous consumption figure.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · 1 TB PDF figures measured with IOmeter 1.1.0, i7-7700K / 16 GB DDR4 / Gigabyte GA-Z270X / Windows 10 PRO K 64. Different host from speed testing. Idle requires DIPM; not a constant load.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification · Published non-operating storage range, kept separate from the 0–70 °C operating range.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Manufacturer non-operating envelope.
Samsung 860 EVO — capacity-specific datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer vibration rating with its stated frequency range. Not a drop test; ratings from different test protocols are not directly comparable.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Test envelope.
Samsung 860 EVO — capacity-specific datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification · Workload limitation in the datasheet. Not intended for enterprise or server use.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Requires correct SATA connections, host and clearance; no universal NAS compatibility.
Samsung 860 EVO — capacity-specific datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer drive weight for this capacity, excluding packaging.
Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetManufacturer specification · 1 TB Australian page specifies maximum 51.0 g, not average weight.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Standalone SATA enclosure. Dimensions apply to this capacity/configuration; allow installation clearance.
Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetManufacturer specification · Manufacturer dimensions; confirm installation clearance.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetA size or weight trade-off; it does not establish the better product.
Kingston does not state this for this model. · Manufacturer specification · Kingston does not say whether it has onboard DRAM.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Onboard DRAM listed; not host memory or the TurboWrite region.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer's stated DRAM cache capacity for this storage capacity.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · 1 GB LPDDR4 in 1 TB column.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
Kingston does not state this for this model. · Manufacturer specification · Kingston does not name the controller for this capacity.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · 1 TB MJX identified; no stepping or clock assumed.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
Kingston does not state this for this model. · Manufacturer specification · Kingston does not state the NAND type, generation or supplier for the 240 GB model.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Manufacturer calls this three-bit MLC; Samsung glossary identifies three bits per cell as TLC. Samsung does not give the layer count.
Samsung 860 EVO — capacity-specific datasheetSamsung glossary — three-bit NAND is TLCEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Supported capability, not automatically enabled security or universal host compatibility.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
Kingston does not state this for this model. · Manufacturer specification · Kingston does not list DirectStorage support for this model.
Kingston A400 — exact-capacity technical datasheetNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The part page includes cloning software. Current Kingston instructions require an installed Kingston internal SSD, Windows 11/10/8.1, administrator rights, internet download through Kingston SSD Manager and licence acceptance. This software does not support macOS or Linux; that does not declare the drive itself incompatible.
Kingston A400 — manufacturer specificationsKingston Acronis True Image — inclusion requirements and host limitsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer lists Magician and Data Migration. Check the current software version and its requirements. No latest-version claim.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Variable write region, separate from onboard DRAM; Samsung's Australian footnote gives 42 GB for the 1 TB model.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · AU capacity footnote gives 42 GB for 1 TB; dynamically allocated availability depends on workload and free space, not a permanent DRAM allocation.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · 1 TB post-cache claim is 500 MB/s under CDM5/i5-3550/P8H77-V/4 GB/Windows 7 conditions; the 250/500 GB models are rated 300 MB/s.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer IOmeter 1.1.0, 4 KB QD32, i5-3550 / 4 GB DDR3-1333 / ASUS P8H77-V / Windows 7 Ultimate 64-bit. TurboWrite and firmware/host limitations apply.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer IOmeter 1.1.0, 4 KB QD32, i5-3550 / 4 GB DDR3-1333 / ASUS P8H77-V / Windows 7 Ultimate 64-bit. TurboWrite and firmware/host limitations apply.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · 4 KB QD1 manufacturer claim under the stated IOmeter host conditions; not observed application latency.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Capacity 4 KB QD1 manufacturer claim under the stated IOmeter/TurboWrite conditions.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · The regional product page supports device sleep. Host and operating-system support are required; the separately specified sleep-power claim is not measured laptop battery life.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Samsung describes a refined ECC algorithm. Samsung does not state its correction strength.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Internal feature, not a quantified application benefit.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer specifies non-condensing conditions. This environmental range is not waterproofing or an IP rating.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Regional product page says no installation kit. Listed box contents do not mention SATA cables or mounting hardware.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
Kingston does not state this for this model. · Manufacturer specification · Kingston's 2022 datasheet lists one million hours; the current product page does not confirm a rating.
Kingston A400 — exact-capacity technical datasheetManufacturer specification · Statistical manufacturer rating, not lifetime of an individual drive.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Regional product page maximum burst claim; not average or a constant operating load.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Samsung does not state this for this model. · Manufacturer specification · Samsung's 860 EVO sources do not describe a PSID revert procedure.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer specifically advertises improved queued TRIM and Linux compatibility. This is not certification for every Linux kernel, controller or firmware.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Samsung does not state this for this model. · Manufacturer specification · Samsung's 860 EVO page and PDF do not state RAPID mode support in current software.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer non-operating test, not a system drop guarantee.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Monitoring support, not a remaining-life guarantee.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Samsung does not state this for this model. · Manufacturer specification · Samsung's 1 TB page and PDF do not state a supply-voltage tolerance.
Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Samsung does not state this for this model. · Manufacturer specification · Samsung does not name a thermal-protection feature for the 860 EVO.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer requires OS support.
Samsung 860 EVO — capacity-specific datasheetEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer operating vibration rating. No independent drop, shock or reliability test is implied.
Kingston A400 — exact-capacity technical datasheetNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Regional page lists WWN support.
Samsung 860 EVO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
4 shared fields have the same recorded value.
| Specification | Kingston A400 | Samsung 860 EVO |
|---|---|---|
CapacityDifferent SourcesKingston A400 Manufacturer specification · Manufacturer-listed capacity; formatting and reserved functions reduce usable storage. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Decimal capacity; formatting and system use reduce available space. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 240 GB | 1000 GB |
SSD / HDD Sources | SSD | SSD |
Interface and version SourcesKingston A400 Backward compatible with SATA 3 Gb/s; Kingston calls these SATA Rev. 3.0 (6 Gb/s) and SATA Rev. 2.0 (3 Gb/s). Kingston does not mention 1.5 Gb/s. · Manufacturer specification · Requires compatible SATA data and power connections. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Backward compatible with SATA 3 Gb/s and 1.5 Gb/s. · Manufacturer specification · Requires compatible SATA data and power connections; link rate is not an application-performance result. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | SATA 6 Gb/s | SATA 6 Gb/s |
Form factor SourcesKingston A400 Manufacturer specification · Part configuration; physical and electrical compatibility both matter. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Match the physical format and electrical interface to the host. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 2.5-inch | 2.5-inch |
Drive dimensionsDifferent SourcesKingston A400 Manufacturer specification · Standalone SATA enclosure. Dimensions apply to this capacity/configuration; allow installation clearance. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Manufacturer dimensions; confirm installation clearance. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 100 × 69.9 × 7 mm | 100 × 69.85 × 6.8 mm |
Drive weightDifferent SourcesKingston A400 Manufacturer specification · Manufacturer drive weight for this capacity, excluding packaging. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · 1 TB Australian page specifies maximum 51.0 g, not average weight. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 41 g | 51 g |
Rated performance and conditionsDifferent SourcesKingston A400 Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Up to 500 MB/s sequential read; up to 350 MB/s sequential write | Up to 550 MB/s sequential read; up to 520 MB/s cached sequential write; 500 MB/s after TurboWrite |
Rated sequential readDifferent SourcesKingston A400 Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state. Samsung 860 EVO — capacity-specific datasheet | 500 MB/s | 550 MB/s |
Rated sequential writeDifferent SourcesKingston A400 Manufacturer specification · Kingston ATTO data-transfer claims, fresh/out-of-box on a SATA Rev. 3.0 motherboard. Host hardware, software and usage affect results. Kingston does not list a sustained post-cache speed. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Samsung CrystalDiskMark 5.0.2 sequential claims: Core i5-3550, 4 GB DDR3-1333, ASUS P8H77-V, Windows 7 Ultimate 64-bit. Writes use Intelligent TurboWrite; peak rates depend on firmware, host, workload and cache state. Samsung 860 EVO — capacity-specific datasheet | 350 MB/s | 520 MB/s |
Rated write after TurboWrite SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · 1 TB post-cache claim is 500 MB/s under CDM5/i5-3550/P8H77-V/4 GB/Windows 7 conditions; the 250/500 GB models are rated 300 MB/s. Samsung 860 EVO — capacity-specific datasheet | Not provided | 500 MB/s |
Rated random read SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer IOmeter 1.1.0, 4 KB QD32, i5-3550 / 4 GB DDR3-1333 / ASUS P8H77-V / Windows 7 Ultimate 64-bit. TurboWrite and firmware/host limitations apply. Samsung 860 EVO — capacity-specific datasheet | Not provided | 98000 IOPS |
Rated random write SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer IOmeter 1.1.0, 4 KB QD32, i5-3550 / 4 GB DDR3-1333 / ASUS P8H77-V / Windows 7 Ultimate 64-bit. TurboWrite and firmware/host limitations apply. Samsung 860 EVO — capacity-specific datasheet | Not provided | 90000 IOPS |
Rated random read, QD1 SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · 4 KB QD1 manufacturer claim under the stated IOmeter host conditions; not observed application latency. Samsung 860 EVO — capacity-specific datasheet | Not provided | 10000 IOPS |
Rated random write, QD1 SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Capacity 4 KB QD1 manufacturer claim under the stated IOmeter/TurboWrite conditions. Samsung 860 EVO — capacity-specific datasheet | Not provided | 42000 IOPS |
DRAM cache present SourcesKingston A400 Kingston does not state this for this model. · Manufacturer specification · Kingston does not say whether it has onboard DRAM. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Onboard DRAM listed; not host memory or the TurboWrite region. Samsung 860 EVO — capacity-specific datasheet | Not listed by the manufacturer | Yes |
Controller SourcesKingston A400 Kingston does not state this for this model. · Manufacturer specification · Kingston does not name the controller for this capacity. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · 1 TB MJX identified; no stepping or clock assumed. Samsung 860 EVO — capacity-specific datasheet | Not listed by the manufacturer | Samsung MJX |
NAND type SourcesKingston A400 Kingston does not state this for this model. · Manufacturer specification · Kingston does not state the NAND type, generation or supplier for the 240 GB model. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Manufacturer calls this three-bit MLC; Samsung glossary identifies three bits per cell as TLC. Samsung does not give the layer count. Samsung 860 EVO — capacity-specific datasheetSamsung glossary — three-bit NAND is TLC | Not listed by the manufacturer | Samsung V-NAND TLC |
Cache arrangement SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer's stated DRAM cache capacity for this storage capacity. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Not provided | 1 GB LPDDR4 DRAM |
DRAM cache capacity SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · 1 GB LPDDR4 in 1 TB column. Samsung 860 EVO — capacity-specific datasheet | Not provided | 1 GB |
Write-buffer technology SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Variable write region, separate from onboard DRAM; Samsung's Australian footnote gives 42 GB for the 1 TB model. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Not provided | Intelligent TurboWrite |
Published write-buffer capacity SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · AU capacity footnote gives 42 GB for 1 TB; dynamically allocated availability depends on workload and free space, not a permanent DRAM allocation. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Not provided | 42 GB |
Warranty terms and endurance if applicableDifferent SourcesKingston A400 Manufacturer specification · Subject to original-purchase eligibility and full manufacturer terms. Published TBW is a separate endurance rating from the wear-indicator warranty limit. Kingston A400 — manufacturer specificationsKingston limited warranty — SSD family and wear-indicator conditionsSamsung 860 EVO Manufacturer specification · Manufacturer coverage is subject to purchase eligibility and applicable terms. A used drive may have less coverage left. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetSamsung consumer SSD limited warranty — model, capacity and first limit | 3-year conditional limited warranty, or SATA SMART attribute 231 (SSD Wear Indicator) reaching a normalized value of 1 in Kingston SSD Manager, whichever occurs first | 5 years or 600 TB written, whichever comes first; limited-warranty terms apply |
Limited warranty timeDifferent SourcesKingston A400 Manufacturer specification · Maximum time term; coverage can end earlier at SATA SMART attribute 231 (SSD Wear Indicator) reaching a normalized value of 1 in Kingston SSD Manager. Eligibility and full terms apply. Kingston A400 — manufacturer specificationsKingston limited warranty — SSD family and wear-indicator conditionsSamsung 860 EVO Manufacturer specification · Time limit, not predicted lifespan; coverage also ends at the TBW threshold and is subject to full terms. Samsung 860 EVO — manufacturer specificationsSamsung consumer SSD limited warranty — model, capacity and first limit | 3 years | 5 years |
Published endurance rating (TBW)Different SourcesKingston A400 Manufacturer specification · Published endurance rating derived from the JEDEC Client Workload (JESD219A). Warranty ends on the stated time or wear conditions. This is not a guaranteed service life. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetKingston limited warranty — SSD family and wear-indicator conditionsSamsung 860 EVO Manufacturer specification · Capacity-specific warranty write threshold, not a guaranteed failure point. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheetSamsung consumer SSD limited warranty — model, capacity and first limit | 80 TB | 600 TB |
Manufacturer workload scopeDifferent SourcesKingston A400 Manufacturer specification · Workload limitation in the datasheet. Not intended for enterprise or server use. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Requires correct SATA connections, host and clearance; no universal NAS compatibility. Samsung 860 EVO — capacity-specific datasheet | Desktop and notebook workloads; not intended for servers | Client PCs |
Manufacturer MTBF rating SourcesKingston A400 Kingston does not state this for this model. · Manufacturer specification · Kingston's 2022 datasheet lists one million hours; the current product page does not confirm a rating. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Statistical manufacturer rating, not lifetime of an individual drive. Samsung 860 EVO — capacity-specific datasheet | Not listed by the manufacturer | 1,500,000 hours |
Included cloning software SourcesKingston A400 Manufacturer specification · The part page includes cloning software. Current Kingston instructions require an installed Kingston internal SSD, Windows 11/10/8.1, administrator rights, internet download through Kingston SSD Manager and licence acceptance. This software does not support macOS or Linux; that does not declare the drive itself incompatible. Kingston A400 — manufacturer specificationsKingston Acronis True Image — inclusion requirements and host limitsSamsung 860 EVO No source recorded. | Acronis True Image for Kingston | Not provided |
Hardware encryption support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Supported capability, not automatically enabled security or universal host compatibility. Samsung 860 EVO — capacity-specific datasheet | Not provided | AES-256; TCG Opal 2.0; IEEE 1667 |
TRIM support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer requires OS support. Samsung 860 EVO — capacity-specific datasheet | Not provided | Yes |
S.M.A.R.T. support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Monitoring support, not a remaining-life guarantee. Samsung 860 EVO — capacity-specific datasheet | Not provided | Yes |
Garbage collection SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Internal feature, not a quantified application benefit. Samsung 860 EVO — capacity-specific datasheet | Not provided | Yes |
Queued TRIM capability SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer specifically advertises improved queued TRIM and Linux compatibility. This is not certification for every Linux kernel, controller or firmware. Samsung 860 EVO — manufacturer specifications | Not provided | Yes |
Drive management software SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer lists Magician and Data Migration. Check the current software version and its requirements. No latest-version claim. Samsung 860 EVO — capacity-specific datasheet | Not provided | Samsung Magician |
Installation kit included SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Regional product page says no installation kit. Listed box contents do not mention SATA cables or mounting hardware. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Not provided | No |
World Wide Name support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Regional page lists WWN support. Samsung 860 EVO — manufacturer specifications | Not provided | Yes |
Device sleep support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · The regional product page supports device sleep. Host and operating-system support are required; the separately specified sleep-power claim is not measured laptop battery life. Samsung 860 EVO — manufacturer specifications | Not provided | Yes |
Error correction support SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Samsung describes a refined ECC algorithm. Samsung does not state its correction strength. Samsung 860 EVO — manufacturer specifications | Not provided | Yes |
Operating temperature SourcesKingston A400 Manufacturer specification · Manufacturer operating range; not a measured temperature under a particular workload. Kingston A400 — manufacturer specificationsKingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Manufacturer operating range; not a measured load temperature. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 0–70 °C | 0–70 °C |
Storage temperatureDifferent SourcesKingston A400 Manufacturer specification · Published non-operating storage range, kept separate from the 0–70 °C operating range. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Manufacturer non-operating envelope. Samsung 860 EVO — capacity-specific datasheet | −40–85 °C | −45–85 °C |
Published power conditionsDifferent SourcesKingston A400 Manufacturer specification · Manufacturer family-sheet states; no capacity-specific test system or average workload is supplied. Not a measured continuous consumption figure. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · 1 TB PDF figures measured with IOmeter 1.1.0, i7-7700K / 16 GB DDR4 / Gigabyte GA-Z270X / Windows 10 PRO K 64. Different host from speed testing. Idle requires DIPM; not a constant load. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | 0.195 W idle; 0.279 W average; 0.642 W maximum read; 1.535 W maximum write | 3.0 W average read/write; 50 mW DIPM idle; 2.6 mW device sleep |
Non-operating vibration ratingDifferent SourcesKingston A400 Manufacturer specification · Manufacturer vibration rating with its stated frequency range. Not a drop test; ratings from different test protocols are not directly comparable. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO Manufacturer specification · Test envelope. Samsung 860 EVO — capacity-specific datasheet | 20 G peak, 10–2000 Hz | 20 G; 20–2000 Hz |
Operating vibration rating SourcesKingston A400 Manufacturer specification · Manufacturer operating vibration rating. No independent drop, shock or reliability test is implied. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO No source recorded. | 2.17 G peak, 7–800 Hz | Not provided |
Published burst power SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Regional product page maximum burst claim; not average or a constant operating load. Samsung 860 EVO — manufacturer specifications | Not provided | 4 W |
Non-condensing humidity range SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer specifies non-condensing conditions. This environmental range is not waterproofing or an IP rating. Samsung 860 EVO — capacity-specific datasheet | Not provided | 5–95% |
Non-operating shock rating SourcesKingston A400 No source recorded. Samsung 860 EVO Manufacturer specification · Manufacturer non-operating test, not a system drop guarantee. Samsung 860 EVO — capacity-specific datasheet | Not provided | 1500 G; 0.5 ms; three axes |
Manufacturer-listed DirectStorage support SourcesKingston A400 Kingston does not state this for this model. · Manufacturer specification · Kingston does not list DirectStorage support for this model. Kingston A400 — exact-capacity technical datasheetSamsung 860 EVO No source recorded. | Not listed by the manufacturer | Not provided |
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RAPID host-memory caching SourcesKingston A400 No source recorded. Samsung 860 EVO Samsung does not state this for this model. · Manufacturer specification · Samsung's 860 EVO page and PDF do not state RAPID mode support in current software. Samsung 860 EVO — manufacturer specifications | Not provided | Not listed by the manufacturer |
PSID crypto erase SourcesKingston A400 No source recorded. Samsung 860 EVO Samsung does not state this for this model. · Manufacturer specification · Samsung's 860 EVO sources do not describe a PSID revert procedure. Samsung 860 EVO — capacity-specific datasheet | Not provided | Not listed by the manufacturer |
Thermal protection SourcesKingston A400 No source recorded. Samsung 860 EVO Samsung does not state this for this model. · Manufacturer specification · Samsung does not name a thermal-protection feature for the 860 EVO. Samsung 860 EVO — manufacturer specifications | Not provided | Not listed by the manufacturer |
Allowable supply voltage SourcesKingston A400 No source recorded. Samsung 860 EVO Samsung does not state this for this model. · Manufacturer specification · Samsung's 1 TB page and PDF do not state a supply-voltage tolerance. Samsung 860 EVO — manufacturer specificationsSamsung 860 EVO — capacity-specific datasheet | Not provided | Not listed by the manufacturer |
Closest storage to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
