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Samsung PM991A MZALQ256HBJD

Samsung PM991A MZALQ256HBJD PM991A MZALQ256HBJD

The Samsung PM991A 256 GB MZALQ256HBJD is a mid range NVMe 1.3 SSD that uses the M.2 interface (small 2242 form factor).

TypeSSD
SizeM.2 2242
Capacity256 GB
InterfaceNVMe
Announced23.10.2021

Benchmarks

Performance Rating - DiskSpd
22.6 pt (30%)
64 GB eMMC Flash -90%
...
KDI OM3PDP3-AD NVMe KDI 256GB -5%
Phison 512GB PA6620060U -4%
Samsung PM991 MZVLQ1T0HALB -4%
Intel SSDPEMKF512G8 NVMe SSD -4%
Samsung PM991 MZVLQ512HBLU -4%
Crucial P1 SSD CT1000P1SSD8 -3%
Toshiba BG4 KBG40ZPZ512G -3%
Micron 2210 MTFDHBA512QFD -2%
Foresee GSYAPGC-512G -1%
Samsung PM991A MZALQ256HBJD
ADATA XPG Gammix S11L 1024GB 0%
Kioxia BG5 KBG50ZNT256G 1%
Intel SSD 660p 1TB SSDPEKNW010T8 1%
Phison PS5013 PM8256GPTCB4B8TF 2%
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H) 4%
Samsung SSD SM961 1TB M.2 MZVKW1T0HMLH 4%
Micron 2300 512GB MTFDHBA512TDV 4%
Lexar NM610 500GB 4%
Lenovo UMIS AM630 RPJTJ512MGE1QDQ 4%
...
2x Samsung PM9A1 MZVL21T0HCLR (RAID 0) 229%
0%
100%
AS SSD - Copy Game
437.9 MB/s (7%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
161.1 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
949 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 2314     avg: 2532     median: 2532 (27%)     max: 2750 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 977     avg: 1064     median: 1063.5 (19%)     max: 1150 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 914     avg: 1004     median: 1003.5 (28%)     max: 1093 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.021     avg: 0     median: 0 (0%)     max: 0.033 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.071     avg: 0.1     median: 0.1 (0%)     max: 0.179 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 728     avg: 823     median: 823.4 (16%)     max: 918.85 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 658     avg: 739     median: 739.1 (25%)     max: 820.25 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 121.86     avg: 146.9     median: 146.9 (40%)     max: 172 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 43.13     avg: 49.1     median: 49.1 (16%)     max: 55.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 772     avg: 931     median: 930.9 (11%)     max: 1089.74 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 2011     avg: 2153     median: 2152.6 (22%)     max: 2294.23 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
88.8 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
39.6 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1205 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1803 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
382.3 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
515 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1205 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
2447 MB/s (19%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 140.8     avg: 147.4     median: 147.4 (35%)     max: 154 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 48.2     avg: 52.2     median: 52.2 (15%)     max: 56.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 445     avg: 681     median: 680.5 (15%)     max: 916 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 677     avg: 780     median: 779.5 (17%)     max: 882 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 1123     avg: 1160     median: 1160 (15%)     max: 1197 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 1816     avg: 1829     median: 1829 (33%)     max: 1842 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1137     avg: 1174     median: 1174 (11%)     max: 1211 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 2187     avg: 2325     median: 2324.5 (18%)     max: 2462 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 2127     avg: 2290     median: 2290 (17%)     max: 2453 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
0100200300400500600700800900100011001200130014001500160017001800190020002100Tooltip
- 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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#2 did not recreate cache, as it is less than 5 days old! Created at Mon, 30 Jan 2023 18:02:06 +0100 +0.001s ... 0.001s

#3 composed specs +0.005s ... 0.006s

#4 did output specs +0s ... 0.006s

#5 getting avg benchmarks for device 3735 +0.01s ... 0.016s

#6 got single benchmarks 3735 +0.008s ... 0.024s

#7 got avg benchmarks for devices +0s ... 0.024s

#8 min, max, avg, median took s +0.514s ... 0.538s

#9 return log +0.011s ... 0.549s

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > Samsung PM991A MZALQ256HBJD SSD Benchmarks
Klaus Hinum (Update: 2021-10-23)