Product Comparison: Samsung SM961 vs Samsung PM961

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General Specifications
About the Product
Samsung SM961 SSDs offer the next level of performance in storage for smart consumers who want an experience beyond what the SATA interface can provide. Ideal for heavy performance-centric uses, such as multi-tasking, complex data manipulation, and high-performance gaming.
Samsung's Client Edition Solid-State Drives (SSDs) use the latest in-house NAND Flash and an advanced in-house controller to deliver superior performance, exceptional reliability, and minimal power drain, while securing your files with leading-edge data protection.
Key Specs
256 GB
256 GB
Read Speed
3100 Mb/s
2800 Mb/s
Write Speed
1400 Mb/s
1100 Mb/s
What customers say about "Key Specs"
Samsung SM961 256GB M.2 Internal Solid State Drive
  • It’s got great read and write speeds. Cheap, and works great.
  • Excellent quality and speed. Really good piece of equipment.
  • Very fast and stable transfers. Not a problem with temperature.
  • Games load a lot faster on this. Amazing speeds.
  • The speed is not fast than the picture.
Samsung PM961 256GB M.2 NVMe PCIe Internal SSD
  • Sequential read and write speeds are blazing fast.
  • Works at rated speeds. No complaints.
  • Even better than rated speeds.
  • Great deal with reliability of Samsung. Very fast.
  • The read / write speed that it was suppose to get was very inaccurate.
Size & Weight
0.09 in.
0.09 in.
3.15 in.
3.15 in.
0.87 in.
0.87 in.
0.32 oz.
0.28 oz.
Form Factor
M.2 2280
M.2 2280
PCle 3.0 x4
PCle 3.0 x4
Memory Chip Type
Encryption Algorithm
AES 256-bit
TCG Opal, AES 256-bit
Ball Grid Array, Samsung Polaris Controller, Supports APST, Power Saving Modes, Trim Support, S.M.A.R.T. Support
Protect Your Data, High Stability, Better performance
What customers say about "Features"
Samsung SM961 256GB M.2 Internal Solid State Drive
  • This was my first time installing and configuring M.2 drive - it was relatively easy.
  • This unit is insanely fast, about double the speed of my SSD primary drive.
  • Easy install and easy setup of windows 7.
  • Windows 10 installed in a few minutes, so far no issues with the drive!
  • Excellent performance. The installation was very simple and took a couple of minutes.
Samsung PM961 256GB M.2 NVMe PCIe Internal SSD
  • I always wanted an M.2 drive especially NVMe. Perfect.
  • Came with Windows 10 pre-installed.
  • Now the Mac Mini is blazing fast. Easy to install.
  • They get what you need on a M.2 motherboard done insanely fast!
  • NVMe is what is hot on this device! Amazing!
Warranty / Certifications
Manufacturer Warranty
5 year(s)
1 year(s)
Other Information

Other reviews