Product Comparison: Samsung PM951 vs Samsung PM981

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Samsung PM951 256GB M.2 Internal Solid State Drive

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Samsung PM981 512GB M.2 Internal Solid State Drive

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General Specifications

Brand

Samsung

Model

PM951

PM981

Origin

China

About the Product

PM981 delivers optimal SSD features for PCs. By supporting the PCIe interface standard up to 4 lanes and TurboWrite technology, faster Seq. R/W speeds accomplish fast performance using lower power via an NVMe power-saving mode.

Key Specs

Capacity

256 GB

512 GB

Read Speed

1000 Mb/s

3000 Mb/s

Write Speed

280 Mb/s

1800 Mb/s

What customers say about "Key Specs"

Samsung PM951 256GB M.2 Internal Solid State Drive

Works good. Increased my speed a little bit.
Speed testing shows it reads 47% faster and writes 89% faster.
Just installed on a Vivobook, the speed boost is big.
It preforms very well and the read and write speeds are extremely noticeable.
I love the speed of the OS when installed on this drive.

Samsung PM981 512GB M.2 Internal Solid State Drive

I have the 512GB drive and the speed is amazing. I like it!
Nothing speeds up a PC faster than this! Perfect.
Blazing fast speed, easy install, great quality.
The speeds are incredible for the price.
Love this high speed storage! Great SSD!

Size & Weight

Height

0.86 in.

0.09 in.

Width

3.14 in.

Depth

0.86 in.

Weight

0.14 oz.

0.32 oz.

Features

Form Factor

M.2 2280

Interface

PCle 3.0 x4

Memory Chip Type

MLC NAND

TLC V-NAND

Encryption Algorithm

AES 256-bit

TCG Opal

Extras

Support Admin & NVM Command Set, End-to-End Data Protection, Supporting APST, Supporting L1.2 Mode

Support Admin & NVM Command Set, Supporting APST, Supporting L1.2 Mode, Fitting Storage for Best Performance, Perfect Storage for Workstations

What customers say about "Features"

Samsung PM951 256GB M.2 Internal Solid State Drive

Easy to install, good price huge difference in laptop.
This worked exactly like it was supposed to. It installed pretty quick.
Extremely easy to install, and it comes with 2 screws.
Good price, super fast and easy installation.
Very easy to install, works great.

Samsung PM981 512GB M.2 Internal Solid State Drive

It's easy to install. Perfect for me.
Very fast drive, works well once configured. Easy to install.
My laptop is obviously running much faster, and install was easy as well.
Installed in my mainboard in about 3 minutes. Very simple.
The M.2 form factor is extremely compact and installed with zero issues. Excellent product.

Warranty / Certifications

Manufacturer Warranty

5 year(s)

1 year(s)

Certifications

CE, FCC

Other Information

Manual

Download

Manufacturer

Link