Samsung

Samsung 870 EVO

Model:: Samsung 870 EVO
Interface:: SATA III
NAND:: TLC with DRAM Cache
Sequential Speed:: ~560 MB/s Read
Endurance:: Up to ~2,400 TBW (Larger Capacities)
Warranty:: 5 Years

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Manufacturer: Samsung Last updated: September 8, 2026

Samsung 870 EVO Review

The Samsung 870 EVO is widely considered the top SATA SSD still available, and possibly Samsung's last drive of this standard as the industry continues its broader shift toward NVMe. It pushes the SATA interface to its practical limits while maintaining stable, consistent performance even under heavy sustained use, earning its reputation as the safe, buy-it-and-forget-it option within the SATA category specifically.

Performance and Speed

At the SATA III interface's hard ceiling of roughly 560/530 MB/s read/write, this drive's real differentiator against cheaper competitors isn't raw speed, since SATA caps every drive at essentially the same ceiling, but rather sustained consistency: it doesn't slow down under continued heavy use the way some budget SATA drives can.

NAND and Endurance

TLC NAND paired with a DRAM cache is specifically important for consistency, the combination behind this drive's excellent sustained performance rating. Endurance reaches up to roughly 2,400TBW on larger capacity models, a genuinely strong figure for a SATA drive backed by a full 5-year warranty.

Use Case: Legacy and Compatibility

SATA SSDs remain relevant specifically for older systems that don't support NVMe at all, or for secondary bulk storage in a system whose primary boot drive is already NVMe, giving this drive a continued, real role even as the broader market moves toward NVMe as the default choice for new builds.

Comparison to Alternatives

Against the Crucial MX500, covered elsewhere on this site, both use TLC NAND with DRAM and deliver very similar real-world performance; the MX500 has historically run slightly cheaper in many markets, though its availability has become less consistent as it's phased out in some regions. Against the WD Blue SA510, also covered elsewhere on this site, that drive is often cheaper and suitable for basic upgrades, while this Samsung model delivers stronger endurance and sustained performance for buyers willing to pay a modest premium.

Who This SSD Is Actually For

Buyers upgrading an older system that only supports SATA, not NVMe. This is specifically where a SATA drive remains the right, and only, choice.

Anyone who wants the single most reliable, "buy it and forget it" SATA option available. This drive's specific reputation is built on consistency and sustained performance, not being the flashiest choice.

Not for anyone building a new system with NVMe support available. Even a budget NVMe drive like the Crucial NV3, covered elsewhere on this site, delivers meaningfully faster real-world performance than any SATA drive can reach.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Buyers upgrading an older system that only supports SATA, not NVMe. This is specifically where a SATA drive remains the right, and only, choice.
Anyone who wants the single most reliable, "buy it and forget it" SATA option available. This drive's specific reputation is built on consistency and sustained performance, not being the flashiest choice.

Not for

Not for anyone building a new system with NVMe support available. Even a budget NVMe drive like the Crucial NV3, covered elsewhere on this site, delivers meaningfully faster real-world performance than any SATA drive can reach.

Specifications

What these specs mean

Speed Score

5.1/10

How fast this drive is among internal SSDs, rated from its read and write speeds, cache and NAND type.

Identity

Brand	Samsung
Model Number	870 EVO
Series	Samsung 870 EVO

Interface and form

Drive Type	Internal
Bus Interface	SATA III, 2.5-Inch
Form Factor	2.5-inch

Sequential performance

Sequential Read	560 MB/s
Sequential Write	530 MB/s

Controller and cache

DRAM Cache	DRAM

NAND

NAND Type	TLC

Physical and commercial

Warranty	5 Years

FAQs

What are the key specifications of the Samsung 870 EVO (SATA III/2.5-Inch/TLC NAND with DRAM/Top-Rated SATA SSD)?

The Samsung 870 EVO (SATA III/2.5-Inch/TLC NAND with DRAM/Top-Rated SATA SSD) is a component from Samsung. Key specs: Interface SATA III, 2.5-Inch, NAND TLC with DRAM Cache, Sequential Speed ~560 MB/s Read, ~530 MB/s Write (SATA Interface Limit), Endurance Up to ~2,400 TBW (Larger Capacities), Warranty 5 Years.

Who is the Samsung 870 EVO (SATA III/2.5-Inch/TLC NAND with DRAM/Top-Rated SATA SSD) best suited to?

Best suited to: Buyers upgrading an older system that only supports SATA, not NVMe. This is specifically where a SATA drive remains the right, and only, choice; Anyone who wants the single most reliable, "buy it and forget it" SATA option available. This drive's specific reputation is built on consistency and sustained performance, not being the flashiest choice.

What are the drawbacks of the Samsung 870 EVO (SATA III/2.5-Inch/TLC NAND with DRAM/Top-Rated SATA SSD)?

Not the best fit for: Not for anyone building a new system with NVMe support available. Even a budget NVMe drive like the Crucial NV3, covered elsewhere on this site, delivers meaningfully faster real-world performance than any SATA drive can reach.