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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
40.2 pt (48%)
AS SSD - Copy Game
min: 387.77     avg: 1200     median: 1287.7 (22%)     max: 1724.84 MB/s
AS SSD - Copy Program
min: 72.23     avg: 547     median: 550 (20%)     max: 919.95 MB/s
AS SSD - Copy ISO
min: 1358.46     avg: 1896     median: 1997.8 (54%)     max: 2452.1 MB/s
AS SSD - Score Total
min: 2927     avg: 4291     median: 4430.5 (49%)     max: 5192 Points
AS SSD - Score Write
min: 1598     avg: 2043     median: 2081.5 (47%)     max: 2377 Points
AS SSD - Score Read
min: 843     avg: 1493     median: 1548 (43%)     max: 1944 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: 1311.42     avg: 1712     median: 1765.9 (46%)     max: 2008.92 MB/s
AS SSD - 4K-64 Read
min: 585.08     avg: 1205     median: 1248.8 (42%)     max: 1633.45 MB/s
AS SSD - 4K Write
min: 96.51     avg: 132     median: 125.4 (1%)     max: 196.67 MB/s
AS SSD - 4K Read
min: 42.06     avg: 53.4     median: 53.7 (20%)     max: 60.3 MB/s
AS SSD - Sequential Write
min: 1199.53     avg: 1984     median: 2142.6 (44%)     max: 2724.02 MB/s
AS SSD - Sequential Read
min: 1657.77     avg: 2355     median: 2427.4 (42%)     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: 139     median: 134.9 (12%)     max: 203 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 35.78     avg: 48.2     median: 47.7 (1%)     max: 65.47 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 930.5     avg: 2080     median: 2122 (11%)     max: 2896 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1136     avg: 2078     median: 2152.9 (40%)     max: 2754 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 325.5     avg: 451     median: 432.3 (25%)     max: 640.2 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 332.2     avg: 475     median: 495.9 (31%)     max: 706.9 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 933.6     avg: 2905     median: 2980 (53%)     max: 2994 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3246     avg: 3507     median: 3549 (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 (41%)     max: 1052.2 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 (42%)     max: 210 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 7.67     avg: 45     median: 46.7 (17%)     max: 52.5 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 11.49     avg: 1138     median: 1127.5 (27%)     max: 2156 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 11.83     avg: 1007     median: 1145 (27%)     max: 1162 MB/s
DiskSpd - DiskSpd seq_write
min: 178.26     avg: 1988     median: 2014 (41%)     max: 2877 MB/s
DiskSpd - DiskSpd seq_read
min: 214.12     avg: 1960     median: 2088 (45%)     max: 2471 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 169.66     avg: 2860     median: 2961.5 (50%)     max: 2993 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 221.44     avg: 3262     median: 3419.5 (48%)     max: 3553 MB/s