Samsung 870 EVO1 TB · 2.5-inch SATA · MZ-77E1T0B/EU- Rated sequential read
- 560 MB/sThis one: 550 MB/s
- Rated sequential write
- 530 MB/sThis one: 520 MB/s
STORAGE
Samsung 860 EVO
1 TB · 2.5-inch SATA · Samsung part MZ-76E1T0BW
- Capacity
- 1000 GB
- SSD / HDD
- SSD
- Form factor
- 2.5-inch
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.
Prices & buying options
As an Amazon Associate I earn from qualifying purchases.
Price alert
Email me when the Samsung 860 EVO gets cheaper on eBay. We check exact-model listings once a day at 12:00 UTC.
THE ACTUAL PRODUCT
Compare with Samsung 870 EVO
Specifications checked 11 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked drives by key specifications, with what differs from the Samsung 860 EVO. The first matches the Compare button above.
Samsung 870 EVO1 TB · 2.5-inch SATA · MZ-77E1T0B/EU
Kingston KC6001024 GB · 2.5-inch SATA · SKC600/1024G- Capacity
- 1024 GBThis one: 1000 GB
MSI SPATIUM S270960 GB · 2.5-inch SATA- Capacity
- 960 GBThis one: 1000 GB
- Rated sequential read
- 500 MB/sThis one: 550 MB/s
Key strengths
Rated up to 550 MB/s sequential read and 520 MB/s sequential write, holding 500 MB/s writes after the TurboWrite cache fills.
Before you buy
Its SATA 6 Gb/s interface keeps rated speeds to 550 MB/s read. It needs a 2.5-inch bay with SATA data and power connections, and no cables or mounting kit are included.
Every specification. With its source.
Full specifications
Exact configuration: 1 TB · 2.5-inch SATA · MZ-76E1T0BW
47 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Capacity & format
12 items
- Capacity
- 1000 GB
Decimal capacity; formatting and system use reduce available space.
- SSD / HDD
- SSDSource
- Form factor
- 2.5-inch
Match the physical format and electrical interface to the host.
- Interface and version
- SATA 6 Gb/s
Backward compatible with SATA 3 Gb/s and 1.5 Gb/s. · Requires compatible SATA data and power connections; link rate is not an application-performance result.
- DRAM cache present
- Yes
Onboard DRAM listed; not host memory or the TurboWrite region.
Source - Enclosure dimensions
- 100 × 69.85 × 6.8 mm
Manufacturer dimensions; confirm installation clearance.
- NAND type
- Samsung V-NAND TLC
Manufacturer calls this three-bit MLC; Samsung glossary identifies three bits per cell as TLC. Samsung does not give the layer count.
- Cache arrangement
- 1 GB LPDDR4 DRAM
Manufacturer's stated DRAM cache capacity for this storage capacity.
- Controller
- Samsung MJX
1 TB MJX identified; no stepping or clock assumed.
Source - DRAM cache capacity
- 1 GB
1 GB LPDDR4 in 1 TB column.
Source - Thermal protection
- Not listed by the manufacturer
Samsung does not state this for this model. · Samsung does not name a thermal-protection feature for the 860 EVO.
Source - Maximum drive weight
- 51 g
1 TB Australian page specifies maximum 51.0 g, not average weight.
Performance
11 items
- Rated sequential read
- 550 MB/s
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.
Source - Rated sequential write
- 520 MB/s
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.
Source - Rated performance and conditions
- Up to 550 MB/s sequential read; up to 520 MB/s cached sequential write; 500 MB/s after TurboWrite
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.
- Rated write after TurboWrite
- 500 MB/s
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.
Source - Rated random read
- 98000 IOPS
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.
Source - Rated random write
- 90000 IOPS
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.
Source - Rated random read, QD1
- 10000 IOPS
4 KB QD1 manufacturer claim under the stated IOmeter host conditions; not observed application latency.
Source - Rated random write, QD1
- 42000 IOPS
Capacity 4 KB QD1 manufacturer claim under the stated IOmeter/TurboWrite conditions.
Source - Write-buffer technology
- Intelligent TurboWrite
Variable write region, separate from onboard DRAM; Samsung's Australian footnote gives 42 GB for the 1 TB model.
- Published write-buffer capacity
- 42 GB
AU capacity footnote gives 42 GB for 1 TB; dynamically allocated availability depends on workload and free space, not a permanent DRAM allocation.
- RAPID host-memory caching
- Not listed by the manufacturer
Samsung does not state this for this model. · Samsung's 860 EVO page and PDF do not state RAPID mode support in current software.
Source
Endurance & warranty
5 items
- Warranty write threshold
- 600 TB
Capacity-specific warranty write threshold, not a guaranteed failure point.
- Limited warranty time
- 5 years
Time limit, not predicted lifespan; coverage also ends at the TBW threshold and is subject to full terms.
- Warranty terms and endurance if applicable
- 5 years or 600 TB written, whichever comes first; limited-warranty terms apply
Manufacturer coverage is subject to purchase eligibility and applicable terms. A used drive may have less coverage left.
- Manufacturer application scope
- Client PCs
Requires correct SATA connections, host and clearance; no universal NAS compatibility.
Source - Manufacturer MTBF rating
- 1,500,000 hours
Statistical manufacturer rating, not lifetime of an individual drive.
Source
Power
4 items
- Published power conditions
- 3.0 W average read/write; 50 mW DIPM idle; 2.6 mW device sleep
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.
- Published burst power
- 4 W
Regional product page maximum burst claim; not average or a constant operating load.
Source - Allowable supply voltage
- Not listed by the manufacturer
Samsung does not state this for this model. · Samsung's 1 TB page and PDF do not state a supply-voltage tolerance.
- Device sleep support
- Yes
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.
Source
Features & software
9 items
- Hardware encryption support
- AES-256; TCG Opal 2.0; IEEE 1667
Supported capability, not automatically enabled security or universal host compatibility.
Source - TRIM support
- Yes
Manufacturer requires OS support.
Source - S.M.A.R.T. support
- Yes
Monitoring support, not a remaining-life guarantee.
Source - Garbage collection
- Yes
Internal feature, not a quantified application benefit.
Source - Queued TRIM capability
- Yes
Manufacturer specifically advertises improved queued TRIM and Linux compatibility. This is not certification for every Linux kernel, controller or firmware.
Source - Drive management software
- Samsung Magician
Manufacturer lists Magician and Data Migration. Check the current software version and its requirements. No latest-version claim.
Source - PSID crypto erase
- Not listed by the manufacturer
Samsung does not state this for this model. · Samsung's 860 EVO sources do not describe a PSID revert procedure.
Source - World Wide Name support
- Yes
Regional page lists WWN support.
Source - Error correction support
- Yes
Samsung describes a refined ECC algorithm. Samsung does not state its correction strength.
Source
Environment & reliability
5 items
- Operating temperature
- 0–70 °C
Manufacturer operating range; not a measured load temperature.
- Storage temperature
- −45–85 °C
Manufacturer non-operating envelope.
Source - Non-condensing humidity range
- 5–95%
Manufacturer specifies non-condensing conditions. This environmental range is not waterproofing or an IP rating.
Source - Non-operating shock rating
- 1500 G; 0.5 ms; three axes
Manufacturer non-operating test, not a system drop guarantee.
Source - Non-operating vibration rating
- 20 G; 20–2000 Hz
Test envelope.
Source
Compatibility & box
1 item
- Installation kit included
- No
Regional product page says no installation kit. Listed box contents do not mention SATA cables or mounting hardware.
Compare with another drive
More of the nearest checked drives by key specifications, for a side-by-side comparison.
Kingston DC600M1.92 TB · 2.5-inch SATA · without self-encryption · SEDC600M/1920GCompare the two 
Samsung 870 QVO8 TB · 2.5-inch SATA drive · MZ-77Q8T0BWCompare the two 
Samsung 850 EVO250 GB · 2.5-inch SATA · MZ-75E250BWCompare the two 
Kingston A400240 GB · 2.5-inch standalone SATA · SA400S37/240GCompare the two 
Samsung 970 EVO Plus1 TB · M.2 2280 without factory heatsink · MZ-V7S1T0BWCompare the two 
Samsung 9801 TB · M.2 2280 without factory heatsink · MZ-V8V1T0BWCompare the two 
Samsung 970 EVO1 TB · M.2 2280 without factory heatsink · MZ-V7E1T0BWCompare the two 
Kingston NV31000 GB · M.2 2280 · SNV3S/1000GCompare the two