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Samsung PM981a MZVLB2T0HALB

MZVLB2T0HALB

The Samsung SSD PM981a 2TB nVME SSD (MZVLB2T0HALB-000H1) is a high end M.2 2280 SSD based on the Samsung Phoenix Controller (S4LR020) with 8 channels. It is specified with at least 3,500 MB/s read and 3,000 MB/s write speeds (max for the 1 TB version) and 580k/500k IOPS 4k (also for the 1TB version). The PM981a uses Samsung 3D-NAND TLC with 96 layers (V-NAND v5) and uses NVMe 1.3.

TypeSSD
SizeM.2 2280
Capacity2048 GB
InterfaceNVMe
Announced04.08.2019

Benchmarks

Performance Rating - DiskSpd
19.6 pt (22%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.687 -96%
...
WDC PC SN730 SDBPNTY-256G
19.2 -2%
Intel SSDPEKNW512GZL
19.2 -2%
2x Micron 2200S 512 GB (RAID 0)
19.3 -2%
Toshiba Kioxia XG6 KXG60PNV512G
19.3 -2%
WDC PC SN730 SDBQNTY-1T00
19.4 -1%
2x Intel SSD 660p 1TB SSDPEKNW010T8 (RAID 0)
19.4 -1%
Rayson RS512GSSD510 512 GB PCIe 4.0 NVMe
19.5 -1%
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
19.5 -1%
Micron 2400 MTFDKBK512QFM
19.5 -1%
Samsung PM981a MZVLB2T0HALB
19.6
Kioxia BG5 KBG50ZNS512G
19.6 0%
Samsung SSD PM981a MZVLB256HBHQ
19.6 0%
Micron 2550 1TB MTFDKCD1T0TGE
19.6 0%
Toshiba XG6 KXG6AZNV256G
19.7 1%
256 GB UFS 4.0 Flash
19.7 1%
ESO512GYLCT
19.9 2%
WDC PC SN530 SDBPNPZ-512G
19.9 2%
Samsung PM991a MZALQ512HBLU
19.9 2%
SK Hynix BC711 HFM512GD3HX015N
19.9 2%
...
Kingston Fury Renegade G5 8TB
88.2 350%
0%
100%
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AS SSD - Copy Game
1929 MB/s (32%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
1074 MB/s (40%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
2474 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
4297 Points (26%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
2232 Points (31%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
1404 Points (22%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
0.1 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
0 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
1957 MB/s (33%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
1065 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
105.4 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
44 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
1691 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
2953 MB/s (23%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
110.5 MB/s (10%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
51.8 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
2071 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
2505 MB/s (28%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
429.8 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
418.3 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
3060 MB/s (20%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
3539 MB/s (19%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
111 MB/s (26%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
39.7 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
388 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
955 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
1994 MB/s (19%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
2222 MB/s (26%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
3056 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
3546 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
3555 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

Amazon Logo
  • $75.00
    OEM Samsung PM981 256GB M.2 PCIe NVME Solid State Drive SSD OEM 80mm 2280 MZVLB256HBHQ M Key
  • $95.00
    Samsung PM981 Polaris 512GB M.2 NGFF PCIe Gen3 x4, NVME Solid State Drive SSD, OEM (2280) MZVLB512HAJQ-00000
  • $229.95
    Samsung PM9A1 MZ-VL21T100 1TB PCIe 4.0 NVMe 2280 Solid State Drive, 7000MB/s Read, 5200MB/s Write, 1000K IOPS Ran. Read, 850K IOPS Ran. Write - PM9A1

Add one or more devices and compare

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v1.35
log 01. 04:22:26

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 no ids found in url (should be separated by "_") +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Wed, 28 Jan 2026 01:02:03 +0100 +0.003s ... 0.003s

#4 composed specs +0.005s ... 0.008s

#5 did output specs +0s ... 0.008s

#6 getting avg benchmarks for device 3706 +0.027s ... 0.035s

#7 got single benchmarks 3706 +0.004s ... 0.039s

#8 got avg benchmarks for devices +0s ... 0.039s

#9 min, max, avg, median took s +3.696s ... 3.735s

#10 return log +0.579s ... 4.314s

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Klaus Hinum (Update: 2022-05- 9)