Samsung PM981a 256GB M.2 PCIe NVME SSD Benchmark Test

The Samsung SSD benchmark

 

• Model  :  PM981a 
• Interface :   PCIe Gen3 x4
• F/F :   M.2    
• Capacity    256GB 

Specified maximum speed

• Seq. Read    3500 MB/s    
• Seq. Write    2200 MB/s
• Ran. Read    240K IOPS    
• Ran. Write     480K IOPS

The read write speed seen varies depending on the size of test file.

CrystalDiskMark 7 Benchmark

Default profile, 16MB file size,

Default profile, 256MB file size, 

• Sequential read speed of 3312 MB/s achieved which is close to specified 3500 MB/s  Seq. read speed.
• Sequential write speed of 2345 MB/s achieved which is more than to specified 2200 MB/s  Seq. write speed.

Default profile, 1GB file size,

• Maximum Sequential read speed seen is  3398 MB/s.

Default profile, 4GB file size,

Real World Performance profile, 256MB file size,

Real World Performance profile, 1GB file size,

Real World Performance profile, 4GB file size,

Peak Performance profile, 16MB file size, 

• Maximum  write speed IOPS seen is  507349 IOPS ( 507K IOPS). This is more than specified Ran. Write speed of  480K IOPS.

 

 Peak Performance profile, 256MB file size,

 

  Peak Performance profile, 1GB file size,

 

 

   Peak Performance profile, 4GB file size, 

• Maximum  read IOPS seen is  155646 IOPS ( 155K IOPS). This is less than specified Ran. read speed of  240K IOPS.
  

ATTO Disk Benchmark

 File Size 256 MB, IO per second

 

 

File Size 256 MB, Read/Write Speed test

 

 File Size 512 MB, IO per second

 

 File Size 512 MB, Read/Write Speed test

File Size 1GB, IO per second

 

File Size 1GB, Read/Write Speed test

AS SSD Benchmark

 

 Test File Size 1GB, Read/Write Speed benchmark

 

 

 

 

  Test File Size 1GB, I/O Speed benchmark

  

 

 

Test File Size 5GB, Read/Write Speed benchmark

 

 

Test File Size 5GB, I/O Speed benchmark