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Samsung PM991a MZVLQ1T0HBLB

PM991 MZVLQ1T0HBLB

The Samsung PM991 1024 GB (1 TB) MZVLQ1T0HALB-00000 is a mid range NVMe 1.3 SSD that uses the M.2 interface (2280). It is rated at a maximum of 2300 MB/s sequential read and 1350 MB/s write. It uses Samsung 3D-NAND (V-NAND v5) and a Samsung controller.

TypeSSD
SizeM.2 2280
Capacity1024 GB
InterfaceNVMe
Announced20.07.2022
LinkSamsung PM991a MZVLQ1T0HBLB

Benchmarks

Performance Rating - DiskSpd
20.1 pt (24%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.743 -96%
...
Samsung SSD SM961 1TB M.2 MZVKW1T0HMLH
19.6 -2%
Micron 2210 MTFDHBA512QFD
19.6 -2%
Micron 2300 512GB MTFDHBA512TDV
19.7 -2%
Intel SSD 660p 1TB SSDPEKNW010T8
19.7 -2%
Phison PS5013 PM8256GPTCB4B8TF
19.8 -1%
Lenovo UMIS AM630 RPJTJ512MGE1QDQ
19.8 -1%
Samsung SSD 990 EVO 2TB
19.8 -1%
SK Hynix PC601A NVMe 1TB
19.9 -1%
Foresee VP1000F512G
20 0%
Samsung PM991a MZVLQ1T0HBLB
20.1
Adata Legend 710
20.3 1%
Lexar NM610 500GB
20.4 1%
SK Hynix PC611 512GB
20.4 1%
Lenovo UMIS RPJTJ256MEE1OWX
20.5 2%
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
20.7 3%
Mushkin Helix-L 1TB MKNSSDHL1TB-08
20.8 3%
SK Hynix BC711 HFM256GD3GX013N
20.8 3%
Phison C-E80T512G4-P3D3B3E13
20.9 4%
WDC PC SN530 SDBPMPZ-512G
20.9 4%
...
Samsung 9100 Pro 2 TB
82.7 311%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 782.8     avg: 926     median: 926 (15%)     max: 1069.21 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 416.67     avg: 430.1     median: 430.1 (16%)     max: 443.59 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 836.92     avg: 1395     median: 1395.5 (13%)     max: 1953.98 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 2863     avg: 3318     median: 3199 (23%)     max: 3891 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 1287     avg: 1377     median: 1404 (19%)     max: 1440 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 997     avg: 1314     median: 1303 (28%)     max: 1643 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.021     avg: 0     median: 0 (0%)     max: 0.038 ms
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.079     avg: 0.1     median: 0.1 (0%)     max: 0.11 ms
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 1060.55     avg: 1081     median: 1065.5 (18%)     max: 1116.27 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 688.76     avg: 1003     median: 1015.5 (28%)     max: 1305.83 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 100.6     avg: 144.6     median: 155.9 (30%)     max: 177.34 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 37.34     avg: 48.6     median: 51.2 (16%)     max: 57.3 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 1262     avg: 1517     median: 1321.1 (12%)     max: 1968.97 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 2502     avg: 2624     median: 2573.7 (20%)     max: 2796.51 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 107.85     avg: 140.9     median: 116.6 (11%)     max: 198.3 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 39.85     avg: 48     median: 42.2 (1%)     max: 62.02 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 1619     avg: 1695     median: 1657 (9%)     max: 1810.18 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1671     avg: 1900     median: 1914.5 (23%)     max: 2115 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 340.6     avg: 422.2     median: 459.6 (15%)     max: 466.43 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 363.8     avg: 430.2     median: 377.4 (6%)     max: 549.4 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 1724     avg: 1930     median: 2006.3 (13%)     max: 2061 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3139.8     avg: 3149     median: 3151 (17%)     max: 3156 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 100.1     avg: 139.3     median: 114.8 (26%)     max: 203 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 40.5     avg: 52.1     median: 54.7 (16%)     max: 61.2 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 333     avg: 560     median: 413 (7%)     max: 934 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 595     avg: 996     median: 1136 (18%)     max: 1258 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 1536     avg: 1597     median: 1549 (16%)     max: 1705 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 1788     avg: 1923     median: 1869 (27%)     max: 2111 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1615     avg: 1747     median: 1628 (11%)     max: 1998 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 2841     avg: 2940     median: 2867 (18%)     max: 3111 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 1897     avg: 2195     median: 2094 (13%)     max: 2594 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400250026002700280029003000Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.33
log 17. 09:36:45

#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 Mon, 12 May 2025 18:01:23 +0200 +0.001s ... 0.001s

#4 composed specs +0.004s ... 0.005s

#5 did output specs +0s ... 0.005s

#6 getting avg benchmarks for device 3851 +0.014s ... 0.019s

#7 got single benchmarks 3851 +0.009s ... 0.028s

#8 got avg benchmarks for devices +0s ... 0.028s

#9 min, max, avg, median took s +0.881s ... 0.909s

#10 return log +0.001s ... 0.911s

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Klaus Hinum (Update: 2022-07-20)