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Samsung SSD PM981a MZVLB512HBJQ

The Samsung SSD PM981a 512 GB is a fast NVMe SSD in the M.2 2280 format. It is intended for OEMs only and therefore often found in high end laptops. It uses the Samsung Phoenix controller and 3D-NAND TLC flash memory.

TypeNVMe
SizePCIe x4
Capacity512 GB
InterfaceNVMe
ControllerSamsung Polaris V2
Announced23.01.2020

Benchmarks

Performance Rating - DiskSpd
25.7 pt (32%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.771 -97%
...
SK Hynix PC401 512GB M.2 (HFS512GD9TNG)
25 -3%
25 -3%
Intel SSD 760p SSDPEKKW512G8
25.1 -2%
25.1 -2%
25.4 -1%
25.5 -1%
25.5 -1%
25.6 0%
25.6 0%
Samsung SSD PM981a MZVLB512HBJQ
25.7
25.7 0%
SK hynix HFS512GEJ4X113N
25.7 0%
25.8 0%
25.8 0%
25.9 1%
25.9 1%
25.9 1%
26.1 2%
26.1 2%
...
80.6 214%
0%
100%
AS SSD - Copy Game
min: 387.8     avg: 1193     median: 1265 (21%)     max: 1725 MB/s
AS SSD - Copy Program
min: 72.2     avg: 539     median: 548.5 (20%)     max: 920 MB/s
AS SSD - Copy ISO
min: 1358     avg: 1894     median: 1944.5 (18%)     max: 2452 MB/s
AS SSD - Score Total
min: 2927     avg: 4303     median: 4430.5 (32%)     max: 5307 Points
AS SSD - Score Write
min: 1598     avg: 2055     median: 2092 (29%)     max: 2377 Points
AS SSD - Score Read
min: 843     avg: 1495     median: 1548 (6%)     max: 2013 Points
AS SSD - Access Time Write *
min: 0.018     avg: 0.1     median: 0 (0%)     max: 0.151 ms
AS SSD - Access Time Read *
min: 0.035     avg: 0.1     median: 0.1 (0%)     max: 0.079 ms
AS SSD - 4K-64 Write
min: 1311     avg: 1726     median: 1782 (30%)     max: 2009 MB/s
AS SSD - 4K-64 Read
min: 585     avg: 1201     median: 1249 (36%)     max: 1666.06 MB/s
AS SSD - 4K Write
min: 96.5     avg: 131.1     median: 125.4 (24%)     max: 196.7 MB/s
AS SSD - 4K Read
min: 42.06     avg: 53.1     median: 53.6 (17%)     max: 63.09 MB/s
AS SSD - Sequential Write
min: 1200     avg: 1983     median: 2142.5 (19%)     max: 2724 MB/s
AS SSD - Sequential Read
min: 1658     avg: 2412     median: 2540.5 (20%)     max: 3077.97 MB/s
CrystalDiskMark 3.0 - 4K QD32 Write
450.2 MB/s (44%)
CrystalDiskMark 3.0 - 4K QD32 Read
571 MB/s (44%)
CrystalDiskMark 3.0 - 4K Write
160.9 MB/s (18%)
CrystalDiskMark 3.0 - 4K Read
70.9 MB/s (1%)
CrystalDiskMark 3.0 - 512K Write
1820 MB/s (42%)
CrystalDiskMark 3.0 - 512K Read
1675 MB/s (48%)
CrystalDiskMark 3.0 - Sequential Write
1624 MB/s (29%)
CrystalDiskMark 3.0 - Sequential Read
1545 MB/s (31%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 82.2     avg: 140.8     median: 137.4 (12%)     max: 203 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 35.78     avg: 48.6     median: 47.7 (1%)     max: 65.5 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 931     avg: 2106     median: 2132 (11%)     max: 2896 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1136     avg: 2099     median: 2206 (27%)     max: 2754 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 325.5     avg: 450.7     median: 432.3 (14%)     max: 640 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 332.2     avg: 482     median: 497.5 (8%)     max: 707 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 934     avg: 2903     median: 2978.5 (20%)     max: 2994 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3246     avg: 3511     median: 3550.5 (19%)     max: 3568 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
min: 383.7     avg: 914     median: 913.9 (18%)     max: 1444 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
min: 981     avg: 1017     median: 1016.5 (15%)     max: 1052 MB/s
PCMark 8 - PCMark 8 Storage v2
min: 4983     avg: 5057     median: 5078.5 (99%)     max: 5087 Points
DiskSpd - DiskSpd 4k_q1t1_write
min: 10.42     avg: 138     median: 139.5 (32%)     max: 210 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 7.67     avg: 45.5     median: 46.8 (14%)     max: 53.8 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 11.49     avg: 1172     median: 1304 (27%)     max: 2156 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 11.83     avg: 1013     median: 1147 (19%)     max: 1162 MB/s
DiskSpd - DiskSpd seq_write
min: 178.3     avg: 2019     median: 2042 (22%)     max: 2877 MB/s
DiskSpd - DiskSpd seq_read
min: 214.1     avg: 1995     median: 2089 (30%)     max: 2709 MB/s