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Samsung 850 EVO

250 GB · 2.5-inch SATA · MZ-75E250BW

Capacity: 250 GB
Form factor: 2.5-inch
Interface: SATA 6 Gb/s
Warranty: 5 years

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Closest to the Samsung 850 EVO by stated key specifications first. Closeness is not a ranking; each card lists what differs.

Samsung 860 EVO

Compared with · Samsung 850 EVO

Capacity250 GB → 1000 GB
Cache arrangement512 MB LPDDR3 DRAM → 1 GB LPDDR4 DRAM
DRAM cache capacity512 MB → 1 GB
ControllerSamsung MGX → Samsung MJX
Write-buffer technologyTurboWrite → Intelligent TurboWrite

8 more differences

Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 550 MB/s sequential read; up to 520 MB/s cached sequential write; 500 MB/s after TurboWrite
Rated sequential read540 MB/s → 550 MB/s
Rated write after TurboWrite300 MB/s → 500 MB/s
Rated random read97000 IOPS → 98000 IOPS
Rated random write88000 IOPS → 90000 IOPS
Rated random write, QD140000 IOPS → 42000 IOPS
Warranty write threshold75 TB → 600 TB
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 5 years or 600 TB written, whichever comes first; limited-warranty terms apply

Same: Form factor 2.5-inch · Interface SATA 6 Gb/s · Warranty 5 years

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Full comparison vs Samsung 870 EVO

More details & evidence

Exact model: 1 TB · 2.5-inch SATA · MZ-76E1T0BW

Sources: 43 of 47 specifications cited.

Evidence · Some facts need verification

43/47 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 43
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

Region not confirmed

Market details

Specification region not confirmed. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

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.Samsung 860 EVO — manufacturer specifications Samsung 860 EVO — capacity-specific datasheet

Key specification sources

Capacity1000 GB

Evidence & conditions

Manufacturer specification

Decimal capacity; formatting and system use reduce available space.

Samsung 860 EVO — manufacturer specifications Samsung 860 EVO — capacity-specific datasheet

Form factor2.5-inch

Evidence & conditions

Manufacturer specification

Match the physical format and electrical interface to the host.

Samsung 860 EVO — manufacturer specifications Samsung 860 EVO — capacity-specific datasheet

Interface and versionSATA 6 Gb/s

Evidence & conditions

Manufacturer specification

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.

Samsung 860 EVO — manufacturer specifications Samsung 860 EVO — capacity-specific datasheet

Limited warranty time5 years

Evidence & conditions

Manufacturer specification

Time limit, not predicted lifespan; coverage also ends at the TBW threshold and is subject to full terms.

Samsung 860 EVO — manufacturer specifications Samsung consumer SSD limited warranty — model, capacity and first limit

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Samsung 870 EVO

Compared with · Samsung 850 EVO

Capacity250 GB → 1000 GB
Cache arrangement512 MB LPDDR3 DRAM → 1 GB LPDDR4 DRAM
DRAM cache capacity512 MB → 1 GB
ControllerSamsung MGX → Samsung MKX
Write-buffer technologyTurboWrite → Intelligent TurboWrite

9 more differences

Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 560 MB/s sequential read; up to 530 MB/s cached sequential write; 530 MB/s after TurboWrite
Rated sequential read540 MB/s → 560 MB/s
Rated sequential write520 MB/s → 530 MB/s
Rated write after TurboWrite300 MB/s → 530 MB/s
Rated random read97000 IOPS → 98000 IOPS
Rated random read, QD110000 IOPS → 13000 IOPS
Rated random write, QD140000 IOPS → 36000 IOPS
Warranty write threshold75 TB → 600 TB
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 5 years or 600 TB written, whichever comes first; limited-warranty terms apply

Same: Form factor 2.5-inch · Interface SATA 6 Gb/s · Warranty 5 years

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Full comparison vs Samsung 860 EVO

More details & evidence

Exact model: 1 TB · 2.5-inch SATA · MZ-77E1T0B/EU

Sources: 42 of 44 specifications cited.

Evidence · Some facts need verification

42/44 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 42
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

Region not confirmed

Market details

Specification region not confirmed. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Its SATA 6 Gb/s interface keeps rated speeds to 560 MB/s read. It needs a 2.5-inch bay with SATA data and power connections, and no cables or mounting kit are included.Samsung SSD 870 EVO — data sheet revision 2.0, pages 3–4 Samsung 870 EVO exact UK product page

Key specification sources

Capacity1000 GB

Evidence & conditions

Manufacturer specification

Decimal capacity; usable formatted space is lower.

Samsung SSD 870 EVO — data sheet revision 2.0, pages 3–4 Samsung 870 EVO exact UK product page

Form factor2.5-inch

Evidence & conditions

Manufacturer specification

Samsung SSD 870 EVO — data sheet revision 2.0, pages 3–4 Samsung 870 EVO exact UK product page

Interface and versionSATA 6 Gb/s

Evidence & conditions

Manufacturer specification

Backward compatible with SATA 3 Gb/s and 1.5 Gb/s.

Samsung SSD 870 EVO — data sheet revision 2.0, pages 3–4 Samsung 870 EVO exact UK product page

Limited warranty time5 years

Evidence & conditions

Manufacturer specification

Coverage ends at the time limit or write threshold, whichever occurs first; full Samsung terms and eligibility apply.

Samsung SSD 870 EVO — data sheet revision 2.0, pages 3–4 Samsung internal SSD warranty eligibility and capacity limits

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Samsung 870 QVO

Compared with · Samsung 850 EVO

Capacity250 GB → 8000 GB
Warranty5 years → 3 years
Cache arrangement512 MB LPDDR3 DRAM → 8 GB LPDDR4 DRAM
DRAM cache capacity512 MB → 8 GB
ControllerSamsung MGX → Samsung MKX

11 more differences

NAND typeSamsung V-NAND TLC → Samsung V-NAND QLC
Write-buffer technologyTurboWrite → Intelligent TurboWrite
Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 560 MB/s sequential read; up to 530 MB/s cached sequential write; 160 MB/s after TurboWrite
Rated sequential read540 MB/s → 560 MB/s
Rated sequential write520 MB/s → 530 MB/s
Rated write after TurboWrite300 MB/s → 160 MB/s
Rated random read97000 IOPS → 98000 IOPS
Rated random read, QD110000 IOPS → 11000 IOPS
Rated random write, QD140000 IOPS → 35000 IOPS
Warranty write threshold75 TB → 2880 TB
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 3 years or 2880 TB written, whichever comes first; limited-warranty terms apply

Same: Form factor 2.5-inch · Interface SATA 6 Gb/s

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Full comparison vs Samsung 850 EVO

More details & evidence

Exact model: 8 TB · 2.5-inch SATA drive · MZ-77Q8T0BW

Sources: 47 of 47 specifications cited.

Evidence · 100% source coverage

47/47 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 47
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

Region not confirmed

Market details

Specification region not confirmed. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

QLC V-NAND: writes drop from 530 MB/s to 160 MB/s once the TurboWrite cache fills, and the warranty lasts three years.Samsung 870 QVO — manufacturer specifications Samsung UK — 870 QVO 8 TB specifications and warranty Samsung internal SSD warranty eligibility and capacity limits
Its SATA 6 Gb/s interface keeps rated speeds to 560 MB/s read. It needs a 2.5-inch bay with SATA data and power connections, and no cables or mounting kit are included.Samsung 870 QVO — manufacturer specifications Samsung UK — 870 QVO 8 TB specifications and warranty

Key specification sources

Capacity8000 GB

Evidence & conditions

Manufacturer specification

Decimal capacity; formatted usable space is lower.

Samsung 870 QVO — manufacturer specifications Samsung UK — 870 QVO 8 TB specifications and warranty

Form factor2.5-inch

Evidence & conditions

Manufacturer specification

Samsung 870 QVO — manufacturer specifications Samsung UK — 870 QVO 8 TB specifications and warranty

Interface and versionSATA 6 Gb/s

Evidence & conditions

Manufacturer specification

Backward compatible with SATA 3 Gb/s and 1.5 Gb/s.

Samsung 870 QVO — manufacturer specifications Samsung UK — 870 QVO 8 TB specifications and warranty

Limited warranty time3 years

Evidence & conditions

Manufacturer specification

Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply.

Samsung 870 QVO — manufacturer specifications Samsung internal SSD warranty eligibility and capacity limits

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Kingston A400

Compared with · Samsung 850 EVO

Capacity250 GB → 240 GB
Warranty5 years → 3 years
Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 500 MB/s sequential read; up to 350 MB/s sequential write
Rated sequential read540 MB/s → 500 MB/s
Rated sequential write520 MB/s → 350 MB/s

2 more differences

Warranty write threshold75 TB → 80 TB
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 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

Same: Form factor 2.5-inch · Interface SATA 6 Gb/s

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Full comparison vs Kingston DC600M

More details & evidence

Exact model: 240 GB · 2.5-inch standalone SATA · SA400S37/240G

Sources: 19 of 24 specifications cited.

Evidence · Some facts need verification

19/24 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 19
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

Region not confirmed

Market details

Specification region not confirmed. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Modest 80 TB endurance and a three-year warranty. Kingston does not state the NAND type, controller or whether it has a DRAM cache, and it needs SATA data and power connections.Kingston A400 — exact-capacity technical datasheet Kingston limited warranty — SSD family and wear-indicator conditions

Key specification sources

Capacity240 GB

Evidence & conditions

Manufacturer specification

Manufacturer-listed capacity; formatting and reserved functions reduce usable storage.

Kingston A400 — manufacturer specifications Kingston A400 — exact-capacity technical datasheet

Form factor2.5-inch

Evidence & conditions

Manufacturer specification

Part configuration; physical and electrical compatibility both matter.

Kingston A400 — manufacturer specifications Kingston A400 — exact-capacity technical datasheet

Interface and versionSATA 6 Gb/s

Evidence & conditions

Manufacturer specification

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. · Requires compatible SATA data and power connections.

Kingston A400 — manufacturer specifications Kingston A400 — exact-capacity technical datasheet

Limited warranty time3 years

Evidence & conditions

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 specifications Kingston limited warranty — SSD family and wear-indicator conditions

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UK model

Samsung 860 EVO SATA M.2 SSD 250GB

Compared with · Samsung 850 EVO

Form factor2.5-inch → M.2 2280
InterfaceSATA 6 Gb/s → SATA 6 Gb/s Interface, compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface
Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 550 MB/s Sequential Read * Performance may vary based on system hardware & configuration (Sequential Read); Up to 520 MB/s Sequential Write * Performance may vary based on system hardware & configuration (Sequential Write); Up to 97,000 IOPS Random Read * Performance may vary based on system hardware & configuration (Random Read (4 KB, QD32)); Up to 88,000 IOPS Random Write * Performance may vary based on system hardware & configuration (Random Write (4KB, QD32)); Up to 10,000 IOPS Random Read * Performance may vary based on system hardware & configuration (Random Read (4 KB, QD1)); Up to 42,000 IOPS Random Write * Performance may vary based on system hardware & configuration (Random Write (4 KB, QD1))
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 5 Years Limited Warranty or 150 TBW Limited Warranty
Warranty5 years → Not verified

Same: Capacity 250 GB

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Full comparison vs Samsung 860 EVO SATA M.2 SSD 500GB

More details & evidence

Exact model: UK MZ-N6E250BW · 250 GB

Sources: 35 of 35 specifications cited.

Evidence · 100% source coverage

35/35 listed facts sourced. Checked date unavailable. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 35
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Published performance and battery figures are manufacturer claims. Actual results depend on configuration, settings and use; an unlisted feature or condition remains unknown.Samsung UK — exact MZ-N6E250BW manufacturer specifications

Key specification sources

Nominal capacity250 GB

Evidence & conditions

Manufacturer specification

Manufacturer capacity: 250 GB (1 GB=1 Billion byte by IDEMA) * Actual usable capacity may be less (due to formatting, partitioning, operating system, applications or otherwise). Decimal TB converted to GB where needed; formatted usable capacity is lower.

Samsung UK — exact MZ-N6E250BW manufacturer specifications

Form factorM.2 2280

Evidence & conditions

Manufacturer specification

Samsung UK — exact MZ-N6E250BW manufacturer specifications

InterfaceSATA 6 Gb/s Interface, compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface

Evidence & conditions

Manufacturer specification

Samsung UK — exact MZ-N6E250BW manufacturer specifications

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All product specifications →

UK model

Samsung 870 EVO SATA 2.5” SSD 250GB

Compared with · Samsung 850 EVO

Form factor2.5-inch → 2.5 inch
InterfaceSATA 6 Gb/s → SATA 6 Gb/s Interface, compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface
Rated performance and conditionsUp to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite → Up to 560 MB/s Sequential Read * Performance may vary based on system hardware & configuration (Sequential Read); Up to 530 MB/s Sequential Write * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated (Sequential Write); Up to 98,000 IOPS Random Read * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated (Random Read (4 KB, QD32)); Up to 88,000 IOPS Random Write * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated (Random Write (4KB, QD32)); Up to 13,000 IOPS Random Read * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated (Random Read (4 KB, QD1)); Up to 36,000 IOPS Random Write * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated (Random Write (4 KB, QD1))
Warranty terms and endurance if applicable5 years or 75 TB written, whichever comes first; limited-warranty terms apply → 5 Years Limited Warranty or 150 TBW Limited Warranty
Warranty5 years → Not verified

Same: Capacity 250 GB

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Full comparison vs Samsung 860 PRO SATA 2.5" SSD 256GB

More details & evidence

Exact model: UK MZ-77E250B/EU · Black · 250 GB

Sources: 37 of 37 specifications cited.

Evidence · 100% source coverage

37/37 listed facts sourced. Checked date unavailable. This describes source coverage, not product quality or independent testing.

Manufacturer facts: 37
Calculated from sources: 0
Independent measurements: Not available
Owner evidence: Not available
Conflicting facts: None recorded

View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Published performance and battery figures are manufacturer claims. Actual results depend on configuration, settings and use; an unlisted feature or condition remains unknown.Samsung UK — exact MZ-77E250B/EU manufacturer specifications

Key specification sources

Nominal capacity250 GB

Evidence & conditions

Manufacturer specification

Samsung UK — exact MZ-77E250B/EU manufacturer specifications

Form factor2.5 inch

Evidence & conditions

Manufacturer specification

Samsung UK — exact MZ-77E250B/EU manufacturer specifications

InterfaceSATA 6 Gb/s Interface, compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface

Evidence & conditions

Manufacturer specification

Samsung UK — exact MZ-77E250B/EU manufacturer specifications

Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

Your total price (GBP)

All product specifications →