Samsung 840 PRO
Samsung · SSD

Samsung 840 PRO

256 GB · SATA · 540 MB/s read

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  • Capacity 256 GB
  • Type SATA
  • Sequential read 540 MB/s
  • Sequential write 520 MB/s

Samsung 840 PRO is an internal SSD with 256 GB of space, reading at up to 540 MB/s. It came out in 2025.

Released
2025-06-16

Specifications

Key specs

Capacity
256 GB
Type
SATA
Sequential read
540 MB/s
Sequential write
520 MB/s
Released
2025-06-16
Part number
MZ-7PD256B/AM

Features

SSD capacity
256 GB
SSD form factor
2.5"
Data transfer rate
6 Gbit/s
Read speed
540 MB/s
Write speed
520 MB/s
Random read (4KB)
100000 IOPS
Random write (4KB)
90000 IOPS
Windows operating systems supported
Yes
Mac operating systems supported
Yes
Linux operating systems supported
Yes

Power

Operating voltage
5 V
Power consumption (standby)
0.15 W
View all specifications +3 more sectionsShow fewer specifications

Weight & dimensions

Weight
70 g

Operational conditions

Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
-40 - 85 °C
Operating relative humidity (H-H)
5 - 95%
Storage relative humidity (H-H)
5 - 95%
Operating shock
1500 G

Other features

Product colour
Black
Internal
Yes
Compatible operating systems
Windows 7 (32-bit and 64-bit), Vista, XP, MAC OSX, Linux
Weight (imperial)
0.0680 kg (0.15 lbs)

Check the manufacturer's page before buying.

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About this product

Unrivaled Performance Samsung’s SSD 840 PRO Series is a high-performance SSD, capable of delivering up to 100,000 IOPS Random Read Speed and 540MB/s Sequential Read Speed—an SSD of unrivaled high performance. Built with an advanced MDX controller, Samsung’s SSD delivers high speeds regardless of data type, unlike competing controllers that greatly favor compressible data. Superior Reliability As the world’s #1 DRAM, NAND Flash, and SSD supplier; Samsung SSDs are designed and built completely in-house. The Samsung SSD 840 Series is optimized for exceptional, sustained performance and unrivaled reliability through its specially-engineered wear-leveling and garbage collection algorithms backed by a generous 5-year limited warranty. Performance Sustainability The Samsung SSD 840 PRO Series provides the same excellent performance throughout its entire lifetime even under extremely heavy workloads. In fact, the sophisticated MDX controller is capable of maintaining peak performances under punishing conditions for more than twice as long the nearest competitor.

840 PRO vs similar internal SSDs

Samsung 840 PROSamsung MZ-7PD256BW 256 GB SSDSamsung MZ-7TE250BW 250 GB SSDSamsung MZ-7TE1T0BW 1 TB SSD
Capacity256 GB256 GB250 GB1 TB
TypeSATASATASATASATA
Sequential read540 MB/s540 MB/s540 MB/s540 MB/s
Sequential write520 MB/s520 MB/s520 MB/s520 MB/s
Released2025202620262026

Questions about the 840 PRO

What are the main specs of the Samsung 840 PRO?

256 GB, SATA, 540 MB/s read.

What capacity is the Samsung 840 PRO?

256 GB.

What type of SSD is the Samsung 840 PRO?

SATA.

When did the Samsung 840 PRO come out?

It was released in 2025/06 (Samsung).

With photos

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