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
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