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Kingston OM8PCP3512F-AB vs Samsung PM991 MZALQ128HBHQ-000L2

Kingston OM8PCP3512F-AB

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Samsung PM991 MZALQ128HBHQ-000L2

MZALQ128HBHQ

The 128 GB Samsung SSD PM991 MZALQ128HBHQ is a very compact (M.2 22x42 mm) solid state drive, a good fit for tablets and SBCs because of the size.

We found the NVMe class drive's performance to be decent in our independent testing conducted in 2020.

Notebookcheck says:

... The drive had about 89 GB of space spare upon first booting the system, with the rest taken up by Windows 10. The drive achieved good transfer speeds during our tests - Lenovo IdeaPad S145-15API Laptop Review, 2020

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Kingston OM8PCP3512F-ABSamsung PM991 MZALQ128HBHQ-000L2
TypeSSDSSD
SizeM.2 2280M.2 2242
Capacity512 GB128 GB
InterfaceNVMeNVMe
Announced04.06.2020 08.01.2020

Benchmarks

Performance Rating - DiskSpd - OM8PCP3512F-AB
17 pt (19%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.719 -96%
...
Silicon Motion AZW 256G M.2280 NVMe 4X 200725 D
16.6 -2%
Toshiba Kioxia XG6 KXG60PNV1T02
16.6 -2%
Apple SSD AP1024 7171
16.6 -2%
Netac S930E 1TB
16.8 -1%
AirDisk AFF 10-512G
16.8 -1%
WDC PC SN520 SDAPMUW-256G
16.8 -1%
Kingston OM3PDP3512B
16.8 -1%
Kioxia BG5 KBG5AZNT256G
16.8 -1%
Samsung PM991 MZALQ512HALU
16.9 -1%
Kingston OM8PCP3512F-AB
17
Kingston OM8PDP3256B
17.2 1%
Phison 512GB PA6620060U
17.2 1%
WDC PC SN530 SDBPNPZ-265G
17.3 2%
Samsung PM991 MZVLQ512HBLU
17.3 2%
Lenovo UMIS AM620 RPJTJ512MEE1OWX
17.4 2%
Kioxia THGJFJT2T85BAT01
17.5 3%
KDI OM3PDP3-AD NVMe KDI 256GB
17.5 3%
Samsung PM991 MZALQ256HAJD
17.5 3%
Ayaneo CyberThunder-2TB
17.6 4%
...
Kingston Fury Renegade G5
88.1 418%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 144.6     avg: 610     median: 678.8 (11%)     max: 977 MB/s
389.1 MB/s (7%)
AS SSD - Copy Program
min: 248.4     avg: 372.8     median: 338.9 (13%)     max: 609 MB/s
185.9 MB/s (7%)
AS SSD - Copy ISO
min: 675     avg: 977     median: 915.9 (8%)     max: 1277 MB/s
569 MB/s (5%)
AS SSD - Score Total
min: 976     avg: 1955     median: 2107 (13%)     max: 2184 Points
1131 Points (7%)
AS SSD - Score Write
min: 429     avg: 1036     median: 1117.5 (16%)     max: 1178 Points
389 Points (5%)
AS SSD - Score Read
min: 379     avg: 619     median: 662.5 (11%)     max: 701 Points
511 Points (8%)
AS SSD - Access Time Write *
min: 0.019     avg: 0     median: 0 (0%)     max: 0.084 ms
0 ms (0%)
AS SSD - Access Time Read *
min: 0.081     avg: 0.1     median: 0.1 (0%)     max: 0.191 ms
0.1 ms (0%)
AS SSD - 4K-64 Write
min: 262.6     avg: 829     median: 915 (15%)     max: 928.21 MB/s
199.3 MB/s (3%)
AS SSD - 4K-64 Read
min: 163.6     avg: 414.6     median: 457.8 (9%)     max: 472.5 MB/s
294.3 MB/s (6%)
AS SSD - 4K Write
min: 66     avg: 118.9     median: 124.7 (24%)     max: 170.5 MB/s
96.5 MB/s (19%)
AS SSD - 4K Read
min: 36.18     avg: 48.2     median: 47.5 (15%)     max: 60.2 MB/s
37.1 MB/s (12%)
AS SSD - Sequential Write
min: 716     avg: 904     median: 926 (8%)     max: 941 MB/s
937 MB/s (8%)
AS SSD - Sequential Read
min: 251.9     avg: 1570     median: 1725.5 (14%)     max: 1777 MB/s
1794 MB/s (14%)
CrystalDiskMark 3.0 - 4K QD32 Write
495.7 MB/s (46%)
132.1 MB/s (12%)
CrystalDiskMark 3.0 - 4K QD32 Read
297.9 MB/s (23%)
272.3 MB/s (21%)
CrystalDiskMark 3.0 - 4K Write
121.2 MB/s (4%)
100.3 MB/s (3%)
CrystalDiskMark 3.0 - 4K Read
38.5 MB/s (1%)
37.1 MB/s (1%)
CrystalDiskMark 3.0 - 512K Write
978 MB/s (11%)
158.7 MB/s (2%)
CrystalDiskMark 3.0 - 512K Read
892 MB/s (19%)
1105 MB/s (23%)
CrystalDiskMark 3.0 - Sequential Write
979 MB/s (9%)
233.8 MB/s (2%)
CrystalDiskMark 3.0 - Sequential Read
1136 MB/s (14%)
1402 MB/s (17%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 107.3     avg: 194.5     median: 209.9 (19%)     max: 286.1 MB/s
128.2 MB/s (12%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 42.52     avg: 47.3     median: 47.7 (1%)     max: 50.4 MB/s
48.2 MB/s (1%)
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 965     avg: 978     median: 978.5 (5%)     max: 985 MB/s
953 MB/s (5%)
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1043     avg: 1299     median: 1224 (15%)     max: 1990 MB/s
1547 MB/s (18%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 327.4     avg: 505     median: 528 (11%)     max: 625 MB/s
238.9 MB/s (5%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 298.3     avg: 300.7     median: 300.5 (4%)     max: 303.4 MB/s
319.8 MB/s (5%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 968     avg: 978     median: 979.9 (7%)     max: 982 MB/s
972 MB/s (6%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 1631     avg: 1930     median: 1983 (11%)     max: 1986 MB/s
2190 MB/s (12%)
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
981 MB/s (20%)
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
300.9 MB/s (5%)
PCMark 8 - PCMark 8 Storage v2
min: 4792     avg: 4854     median: 4843 (94%)     max: 4926 Points
DiskSpd - DiskSpd 4k_q1t1_write
min: 10.53     avg: 159.7     median: 160.6 (37%)     max: 268 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 7.88     avg: 40.7     median: 45.7 (13%)     max: 49.9 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 11.86     avg: 879     median: 977 (16%)     max: 983 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 10.84     avg: 280.6     median: 312.5 (4%)     max: 315 MB/s
DiskSpd - DiskSpd seq_write
min: 196.7     avg: 899     median: 978 (10%)     max: 984 MB/s
DiskSpd - DiskSpd seq_read
min: 252.9     avg: 1118     median: 1193 (16%)     max: 1319 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 163.6     avg: 896     median: 977.5 (7%)     max: 983 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 255     avg: 1808     median: 1983 (12%)     max: 1989 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 254.9     avg: 1758     median: 1980 (12%)     max: 1987 MB/s

Average Benchmarks Kingston OM8PCP3512F-AB → 100% n=30

Average Benchmarks Samsung PM991 MZALQ128HBHQ-000L2 → 76% n=30

- Range of benchmark values for this graphics card
red legend - Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

Add one or more devices and compare

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v1.34
log 07. 11:24:55

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

#1 checking url part for id 3489 +0s ... 0s

#2 checking url part for id 3431 +0s ... 0s

#3 redirected to Ajax server, took 1759829094s time from redirect:0 +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Sat, 04 Oct 2025 19:58:46 +0200 +0s ... 0s

#5 composed specs +0.002s ... 0.002s

#6 did output specs +0s ... 0.002s

#7 getting avg benchmarks for device 3489 +0.006s ... 0.008s

#8 got single benchmarks 3489 +0.008s ... 0.017s

#9 getting avg benchmarks for device 3431 +0s ... 0.017s

#10 got single benchmarks 3431 +0.002s ... 0.019s

#11 got avg benchmarks for devices +0s ... 0.019s

#12 min, max, avg, median took s +0.126s ... 0.145s

#13 return log +0.001s ... 0.146s

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > HDD/SSD Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)