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Samsung XP941 128GB PCIe SSD Review

By: Chris Ramseyer | m.2 SSDs in Storage | Posted: Aug 18, 2014 2:15 pm
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TweakTown Rating: 86%Manufacturer: RamCity

HD Tune Pro - Sequential Performance

 

Version and / or Patch Used: 4.55

 

samsung_xp941_128gb_pcie_ssd_review_52

 

Even though the XP941 128GB is a bit slower at sequential reads on paper, in practice, the drive is a little faster on average than the 256GB model and nearly as fast as the 512GB XP941. We averaged a sequential read with 64KB blocks at 932.8 MB/s.

 

samsung_xp941_128gb_pcie_ssd_review_53

 

We did notice a large reduction in sequential write performance due to the limited parallelism when writing to the flash.

 

 

HD Tach - Sequential Write Performance after Random Writes

 

Version and / or Patch Used: 3.0.4.0

 

samsung_xp941_128gb_pcie_ssd_review_54

 

Here we see the sequential read and write performance after running the sequential and random tests in HD Tune Pro.

 

The XP941 128GB slows quite a bit when writing data at the same time background activity is taking place. This isn't anything new for Samsung SSDs - the issue dates back before the 830 Series and only addressed recently with the 850 Pro SSD.

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