Notebookcheck

Samsung PM961 MZVLW256HEHP

Samsung PM961 MZVLW256HEHP is a solid state drive with a capacity of 256 GB. It relies on the modern NVMe (PCIe x4 3.0) interface for data transfer.

Notebookcheck says: 

... performs about the same as the 512 GB version ...

... The 256 GB drive is addressed using PCIe, so the transfer speeds are significantly faster than they would be with a SATA interface ...

TypeSSD
SizeM.2 inch
Size256 GB
Interface

Benchmarks

AS SSD - Copy Game MB/s
min: 225     avg: 537.4     median: 451 (24%)     max: 1114 MB/s
AS SSD - Copy Program MB/s
min: 75     avg: 343.2     median: 290 (30%)     max: 780 MB/s
AS SSD - Copy ISO MB/s
min: 420     avg: 1004.5     median: 800 (25%)     max: 1912 MB/s
AS SSD - Score Total
min: 35     avg: 2565     median: 2575 (35%)     max: 4653 MB/s
AS SSD - Score Write
min: 48     avg: 587.1     median: 620 (17%)     max: 1029 MB/s
AS SSD - Score Read
min: 363     avg: 1377.9     median: 1363 (54%)     max: 2545 MB/s
AS SSD - Access Time Write *
min: 0     avg: 0.5 (0%)     max: 4 MB/s
AS SSD - Access Time Read *
0.1 MB/s (0%)
AS SSD - 4K-64 Write
min: 15     avg: 419     median: 391 (13%)     max: 1651 MB/s
AS SSD - 4K-64 Read
min: 199     avg: 1112.5     median: 1084 (48%)     max: 2279 MB/s
AS SSD - 4K Write
min: 1     avg: 91.6     median: 107 (50%)     max: 161 MB/s
AS SSD - 4K Read
min: 20     avg: 45.1     median: 46 (17%)     max: 54 MB/s
AS SSD - Seq Write
min: 223     avg: 960.1     median: 1138 (28%)     max: 1395 MB/s
AS SSD - Seq Read
min: 768     avg: 2018.9     median: 2062 (42%)     max: 2834 MB/s
CrystalDiskMark 3.0 - Write 4k QD32
min: 94     avg: 384.3     median: 404 (53%)     max: 621 MB/s
CrystalDiskMark 3.0 - Read 4k QD32
min: 131     avg: 418.9     median: 426 (45%)     max: 650 MB/s
CrystalDiskMark 3.0 - Write 4k
min: 46     avg: 126.7     median: 138 (54%)     max: 176 MB/s
CrystalDiskMark 3.0 - Read 4k
min: 29     avg: 53     median: 55 (1%)     max: 62 MB/s
CrystalDiskMark 3.0 - Write 512
min: 337     avg: 781.4     median: 820 (19%)     max: 890 MB/s
CrystalDiskMark 3.0 - Read 512
min: 406     avg: 887.2     median: 855 (36%)     max: 1295 MB/s
CrystalDiskMark 3.0 - Write Seq
min: 341     avg: 1136.3     median: 1205 (28%)     max: 1423 MB/s
CrystalDiskMark 3.0 - Read Seq
min: 800     avg: 1626.7     median: 1631 (47%)     max: 2196 MB/s
CrystalDiskMark 5.2 / 6 - Write 4K
min: 72     avg: 127.7     median: 132 (49%)     max: 195 MB/s
CrystalDiskMark 5.2 / 6 - Read 4K
min: 22     avg: 42.4     median: 42 (12%)     max: 53 MB/s
CrystalDiskMark 5.2 / 6 - Write Seq
min: 343     avg: 1098.7     median: 1167 (27%)     max: 1411 MB/s
CrystalDiskMark 5.2 / 6 - Read Seq
min: 746     avg: 1373.3     median: 1371 (26%)     max: 2000 MB/s
CrystalDiskMark 5.2 / 6 - Write 4K Q32T1
min: 101     avg: 398.3     median: 399 (23%)     max: 747 MB/s