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Samsung 850 EVO

250 GB · 2.5-inch SATA · MZ-75E250BW

A 250 GB 2.5-inch SATA SSD in a 6.8 mm-thick enclosure. Samsung specifies 512 MB LPDDR3 DRAM caching.

Reviewed 6 Sept 2026Manufacturer specifications, not a hands-on test.

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Explore every specification

WHAT IT BRINGS

The useful part.

Provides 250 GB of decimal storage capacity in a 2.5-inch SATA format, with 512 MB LPDDR3 DRAM cache.

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BEFORE YOU CHOOSE

The checks that matter.

Samsung lists 300 MB/s writes after TurboWrite, below the 520 MB/s cached claim. This 2.5-inch SATA drive requires compatible data and power connections.

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NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard

Capacity: 250 GB
Conditions & context
Manufacturer specification · Decimal capacity; formatting and system use reduce available space.
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SSD / HDD: SSD
Conditions & context
Manufacturer specification
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Interface and version: SATA 6 Gb/s; backward compatible with SATA 3 Gb/s and 1.5 Gb/s
Conditions & context
Manufacturer specification · Host support and available lanes determine operation; interface generation is not an application-performance result.
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Form factor: 2.5-inch
Conditions & context
Manufacturer specification · Match the physical format and electrical interface to the host.
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Dimensions including heatsink: 100 × 69.85 × 6.8 mm
Conditions & context
Manufacturer specification · Manufacturer dimensions; confirm installation clearance.
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Rated performance and conditions: Up to 540 MB/s sequential read; up to 520 MB/s cached sequential write; 300 MB/s after TurboWrite
Conditions & context
Manufacturer specification · Samsung CrystalDiskMark 3.0.1 sequential claims: Core i7-4790K, 8 GB DDR3-1600, Intel Z97PRO, Windows 7 Ultimate SP1, Intel RST 13.0.3.1001. Writes use TurboWrite; peak rates depend on firmware, host, workload and cache state. These manufacturer claims are not measurements made by this site or directly ranked across test systems.
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Warranty terms and endurance if applicable: 5 years or 75 TB written, whichever comes first; limited-warranty terms apply
Conditions & context
Manufacturer specification · Manufacturer coverage is subject to purchase eligibility and applicable terms. These limits do not establish remaining coverage for a used drive.
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Limited warranty time: 5 years
Conditions & context
Manufacturer specification · Time limit, not predicted lifespan; coverage also ends at the TBW threshold and is subject to full terms.
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Warranty write threshold: 75 TB
Conditions & context
Manufacturer specification · Capacity-specific warranty write threshold, not a guaranteed failure point.
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NAND type: Samsung V-NAND 3-bit MLC
Conditions & context
Manufacturer specification · Manufacturer terminology; no controller revision or NAND layer count is inferred.
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Cache arrangement: 512 MB LPDDR3 DRAM
Conditions & context
Manufacturer specification · Manufacturer's stated DRAM cache capacity for this storage capacity.
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Operating temperature: 0–70 °C
Conditions & context
Manufacturer specification · Manufacturer operating range; not a measured load temperature.
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