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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
Interface
ControllerSamsung Polaris V2
Announced23.01.2020

Benchmarks

Performance Rating - DiskSpd
41.5 pt (47%)
64 GB eMMC Flash -92%
...
Samsung SSD PM981 MZVLB256HAHQ -8%
SK Hynix HFM512GD3JX013N -8%
2x Micron 2200S 512 GB (RAID 0) -2%
2x Intel SSD 660p SSDPEKNW512G8 (RAID 0) -1%
Samsung SSD PM981a MZVLB512HBJQ
Intel SSD 760p SSDPEKKW512G8 1%
Samsung SSD PM981 MZVLB512HAJQ 2%
SK Hynix PC401 512GB M.2 (HFS512GD9TNG) 5%
...
0%
100%
AS SSD - Copy Game
min: 387.77     avg: 1186     median: 1291.2 (22%)     max: 1724.84 MB/s
AS SSD - Copy Program
min: 72.23     avg: 523     median: 548.7 (20%)     max: 919.95 MB/s
AS SSD - Copy ISO
min: 1385.88     avg: 1951     median: 2061.9 (56%)     max: 2452.1 MB/s
AS SSD - Score Total
min: 2927     avg: 4203     median: 4361 (51%)     max: 5133 Points
AS SSD - Score Write
min: 1598     avg: 2029     median: 2065 (48%)     max: 2367 Points
AS SSD - Score Read
min: 843     avg: 1445     median: 1491 (53%)     max: 1890 Points
AS SSD - Access Time Write *
min: 0.018     avg: 0.1     median: 0 (0%)     max: 0.112 ms
AS SSD - Access Time Read *
min: 0.035     avg: 0.1     median: 0.1 (0%)     max: 0.076 ms
AS SSD - 4K-64 Write
min: 1311.42     avg: 1707     median: 1753.4 (46%)     max: 2007.16 MB/s
AS SSD - 4K-64 Read
min: 585.08     avg: 1162     median: 1205.2 (51%)     max: 1601.42 MB/s
AS SSD - 4K Write
min: 96.51     avg: 133     median: 124.6 (1%)     max: 196.67 MB/s
AS SSD - 4K Read
min: 47.55     avg: 53.3     median: 53.5 (20%)     max: 60.3 MB/s
AS SSD - Sequential Write
min: 1199.53     avg: 1895     median: 2048.1 (49%)     max: 2724.02 MB/s
AS SSD - Sequential Read
min: 1657.77     avg: 2296     median: 2187.6 (40%)     max: 2861.05 MB/s
CrystalDiskMark 3.0 - 4K QD32 Write
450 MB/s (59%)
CrystalDiskMark 3.0 - 4K QD32 Read
571 MB/s (60%)
CrystalDiskMark 3.0 - 4K Write
161 MB/s (18%)
CrystalDiskMark 3.0 - 4K Read
70.9 MB/s (1%)
CrystalDiskMark 3.0 - 512K Write
1820 MB/s (43%)
CrystalDiskMark 3.0 - 512K Read
1675 MB/s (71%)
CrystalDiskMark 3.0 - Sequential Write
1624 MB/s (38%)
CrystalDiskMark 3.0 - Sequential Read
1545 MB/s (44%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 82.21     avg: 138     median: 134.5 (12%)     max: 185.02 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 35.78     avg: 47.7     median: 47.3 (1%)     max: 65.15 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 930.5     avg: 2031     median: 2086 (47%)     max: 2896 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1136     avg: 2065     median: 2179.5 (41%)     max: 2754 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 325.5     avg: 449     median: 435.5 (26%)     max: 555.8 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 332.2     avg: 461     median: 487.7 (31%)     max: 584.9 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 933.6     avg: 2891     median: 2979 (53%)     max: 2994 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3246     avg: 3497     median: 3548 (39%)     max: 3568 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
min: 383.7     avg: 914     median: 914.1 (34%)     max: 1444.4 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
min: 981.22     avg: 1017     median: 1016.7 (44%)     max: 1052.2 MB/s
PCMark 8 - PCMark 8 Storage v2
5083 Points (99%)
DiskSpd - DiskSpd 4k_q1t1_write
min: 10.42     avg: 133     median: 134 (45%)     max: 184.56 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 7.67     avg: 44.2     median: 46.3 (17%)     max: 52.1 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 11.49     avg: 1060     median: 478 (14%)     max: 2156 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 11.83     avg: 983     median: 1131 (36%)     max: 1162 MB/s
DiskSpd - DiskSpd seq_write
min: 178.26     avg: 1944     median: 1980 (46%)     max: 2877 MB/s
DiskSpd - DiskSpd seq_read
min: 214.12     avg: 1944     median: 2089 (50%)     max: 2471 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 169.66     avg: 2851     median: 2959 (50%)     max: 2993 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 221.44     avg: 3229     median: 3394 (50%)     max: 3550 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 221.86     avg: 3159     median: 3465 (51%)     max: 3546 MB/s
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