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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
61.5 pt (72%)
SK Hynix PC401 512GB M.2 (HFS512GD9TNG) -93%
...
Samsung SSD PM981 MZVLB512HAJQ -8%
Samsung SSD PM981a MZVLB256HBHQ -8%
Samsung SSD PM981a MZVLB512HBJQ
Samsung SSD PM981 MZVLB2T0HMLB 7%
Samsung SSD PM981 MZVLB1T0HALR 7%
...
0%
100%
AS SSD - Copy Game
min: 403.97     avg: 1179     median: 1287.7 (22%)     max: 1447.11 MB/s
AS SSD - Copy Program
min: 72.23     avg: 500     median: 540.2 (20%)     max: 572.83 MB/s
AS SSD - Copy ISO
min: 1395.04     avg: 1949     median: 1997.8 (57%)     max: 2452.1 MB/s
AS SSD - Score Total
min: 2927     avg: 4338     median: 4570.5 (62%)     max: 5133 Points
AS SSD - Score Write
min: 1598     avg: 2062     median: 2086 (58%)     max: 2367 Points
AS SSD - Score Read
min: 843     avg: 1503     median: 1581 (61%)     max: 1864 Points
AS SSD - Access Time Write *
min: 0.024     avg: 0.1     median: 0 (0%)     max: 0.112 ms
AS SSD - Access Time Read *
min: 0.035     avg: 0.1     median: 0 (0%)     max: 0.076 ms
AS SSD - 4K-64 Write
min: 1311.42     avg: 1724     median: 1724.6 (56%)     max: 2007.16 MB/s
AS SSD - 4K-64 Read
min: 585.08     avg: 1226     median: 1300.7 (57%)     max: 1601.42 MB/s
AS SSD - 4K Write
min: 96.51     avg: 127     median: 123.5 (1%)     max: 158.04 MB/s
AS SSD - 4K Read
min: 47.55     avg: 53.3     median: 52.9 (20%)     max: 60.3 MB/s
AS SSD - Sequential Write
min: 1374.4     avg: 2120     median: 2321.2 (56%)     max: 2724.02 MB/s
AS SSD - Sequential Read
min: 1657.77     avg: 2240     median: 2074 (42%)     max: 2844.07 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 (63%)
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: 95.65     avg: 144     median: 137.5 (31%)     max: 185.02 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 37.47     avg: 50.1     median: 49.4 (1%)     max: 65.15 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 930.5     avg: 2010     median: 2054.5 (48%)     max: 2896 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1136     avg: 1975     median: 2037.5 (38%)     max: 2754 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 325.5     avg: 449     median: 432.3 (25%)     max: 555.8 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 332.2     avg: 492     median: 520.3 (33%)     max: 584.9 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 933.6     avg: 2855     median: 2978.5 (67%)     max: 2994 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3269     avg: 3495     median: 3549 (39%)     max: 3568 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
1444 MB/s (54%)
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
1052 MB/s (46%)
PCMark 8 - PCMark 8 Storage v2
5083 Points (99%)
DiskSpd - DiskSpd 4k_q1t1_write
min: 10.42     avg: 138     median: 134 (51%)     max: 232.72 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 7.67     avg: 46.5     median: 47.6 (19%)     max: 72.01 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 11.49     avg: 1262     median: 1467 (45%)     max: 2156 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 11.83     avg: 989     median: 1148 (47%)     max: 1346.99 MB/s
DiskSpd - DiskSpd seq_write
min: 178.26     avg: 1932     median: 2016 (62%)     max: 2877 MB/s
DiskSpd - DiskSpd seq_read
min: 214.12     avg: 1906     median: 2087 (68%)     max: 2471 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 169.66     avg: 2797     median: 2964 (85%)     max: 2991 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 221.44     avg: 3130     median: 3344 (93%)     max: 3547 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 221.86     avg: 2938     median: 3346.5 (93%)     max: 3525 MB/s
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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