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Silver rectangular 2.5 inch SATA solid state drive with black label

SAMSUNG

SAMSUNG 840 EVO 250GB 2.5" SATA Internal SSD

SKU CH-1THG-FSAYD

A 250 GB SATA internal SSD with 540 MB/s sequential read and 520 MB/s sequential write speeds plus AES 256-bit encryption

  • Fast boot and load times from 540 MB/s sequential read
  • Quick file saves with 520 MB/s sequential write
  • Responsive multitasking backed by 97K random read IOPS
  • Smooth write performance at 66K random write IOPS
  • Hardware AES 256-bit encryption protects data at rest

250 GB SATA internal SSD

The Samsung 840 EVO is a 250 GB 2.5-inch internal solid-state drive that connects through a SATA interface. It uses TLC NAND and a Samsung MEX controller to deliver sequential read speeds of 540 MB/s and sequential write speeds of 520 MB/s. Random read performance reaches 98K IOPS while random write reaches 66K IOPS. AES 256-bit full-disk encryption protects stored data without user intervention.

Suits SATA-only upgrades.

This drive fits laptops and desktops that accept a 2.5-inch SATA device and need a silent, low-power replacement for a mechanical hard disk. The 250 GB capacity covers an operating system plus core applications. Builders who need sustained high random-write throughput or larger capacities for media libraries should look at other options.

Sequential read 540 MB/s

The headline sequential read speed of 540 MB/s is the single figure that shows whether this SSD will saturate a standard SATA link and deliver the responsive boot and load times expected from a modern solid-state drive. If that throughput meets the system requirement, the part is a direct fit.

Highlights

  • Fast boot and load times from 540 MB/s sequential read
  • Quick file saves with 520 MB/s sequential write
  • Responsive multitasking backed by 97K random read IOPS
  • Smooth write performance at 66K random write IOPS
  • Hardware AES 256-bit encryption protects data at rest

Specifications

No published specifications for this item yet.

Questions about this item

What does 540 MB/s sequential read mean once the drive is installed?

The drive can read large files at up to 540 MB/s, so operating system loads and game level loads are noticeably quicker than on a mechanical hard drive.

How does the SATA III interface affect real-world speed?

SATA III caps the drive at its rated 540 MB/s read and 520 MB/s write; you will not exceed those figures even if the controller is faster.

What mounting space does the 2.5 inch form factor need?

It fits any standard 2.5 inch drive bay or bracket and connects with the usual SATA data and power cables.

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