Samsung 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).
Type | SSD |
Size | M.2 2242 |
Capacity | 256 GB |
Interface | NVMe |
Announced | 23.10.2021 |
Benchmarks
Performance Rating - DiskSpd
22.6 pt (30%)
...
Intel SSDPEMKF512G8 NVMe SSD -4%
Samsung PM991 MZVLQ512HBLU -4%
Crucial P1 SSD CT1000P1SSD8 -3%
Toshiba BG4 KBG40ZPZ512G -3%
Samsung PM991A MZALQ256HBJD
ADATA XPG Gammix S11L 1024GB 0%
Intel SSD 660p 1TB SSDPEKNW010T8 1%
Lexar NM610 500GB 4%
...
437.9 MB/s (7%)
...
BMSC51A3500F4SA -6%
BIWIN SSD 256 GB -6%
Intel SSD 600p SSDPEKKW256G7 -5%
SK hynix PC401 HFS256GD9TNG -3%
Samsung SSD 840 EVO 120GB mSATA -3%
SK Hynix BC501 NVMe 256 GB -1%
Intel SSD 330 Series SSDSC2CT120A3K5 0%
Samsung PM991A MZALQ256HBJD
SK hynix BC501 HFM512GDHTNG-8310A 1%
Toshiba NVMe THNSN5128GP 1%
Toshiba NVMe THNSN5256GPUK 2%
Samsung SSD XP941 MZHPU512HCGL 3%
Toshiba KBG30ZMV512G 3%
Toshiba KBG30ZMV256G 4%
...
161.1 MB/s (6%)
...
Samsung PM951 NVMe MZ-VLV256D -2%
Liteon L8H-256V2G -2%
OCZ Octane OCT1-25SAT3-512G -2%
Samsung CM871a MZNTY256HDHP -2%
Liteonit LCH-256V2S -2%
Samsung SSD PM851 512 GB MZ7TE512HMHP -1%
Micron RealSSD C400 (MTFDDAK512MAM-1K1AB) -1%
SanDisk SD8SN8U256G1002 -1%
Samsung PM991A MZALQ256HBJD
Samsung SSD 840 PRO MZ7PD128HCFV-000H1 1%
SanDisk SD8SNAT256G1002 1%
Crucial M500 120 GB CT120M500SSD3 1%
SK hynix HFB1M8MQ331C0MR 1%
Toshiba KBG20ZMS256G 1%
2x Micron M600 MTFDDAV128MBF (RAID 0) 3%
Liteonit LMT-128M6M 3%
...
949 MB/s (9%)
...
Apple SSD AP0256 -5%
Kingston RBUSNS8154P3512GJ -3%
Samsung SM951 MZVPV256 m.2 -3%
Toshiba KBG40ZNS256G NVMe -2%
Toshiba BG4 KBG40ZPZ256G -2%
Toshiba KBG30ZMT512G -1%
Samsung SSD SM951 512 GB MZHPV512HDGL 0%
Samsung PM991A MZALQ256HBJD
WDC PC SN520 SDAPMUW-512 1%
OM3PDP3-AD NVMe KDI 512GB 1%
Kingston OM8PCP3512F-AB 3%
Toshiba KBG30ZPZ512G 4%
SK hynix BC501 HFM512GDHTNG-8310A 4%
WDC PC SN520 SDAPNUW-256G 4%
Samsung MZFLW1T0HMLH 6%
...
2x Intel SSD 660p 1TB SSDPEKNW010T8 (RAID 0) 266%
min: 2314 avg: 2532 median: 2532 (27%) max: 2750 Points
Seagate Momentus 5400.6 ST9250315AS -99%
...
Patriot P300 P300P512GM28US -3%
Toshiba KBG40ZNS512G NVMe -3%
OM3PDP3-AD NVMe KDI 512GB -1%
Toshiba BG4 KBG40ZPZ512G -1%
Toshiba KXG5AZNV256G -1%
Samsung PM991A MZALQ256HBJD
Crucial P1 SSD CT1000P1SSD8 0%
Intel SSD 660p 2TB SSDPEKNW020T8 1%
2x Micron M600 MTFDDAV128MBF NVMe (RAID 0) 1%
Samsung SSD SM951a 512GB M.2 PCIe 3.0 x4 NVMe (MZVKV512) 1%
Samsung SSD PM981a MZVLB256HBHQ 3%
...
min: 977 avg: 1064 median: 1063.5 (19%) max: 1150 Points
Samsung SpinPoint M8 HN-M101MBB -99%
...
Intel SSD 760p SSDPEKKW512G8 -3%
Kingston OM8PCP3512F-AB -3%
Toshiba KXG5AZNV256G -2%
Toshiba KXG5AZNV1T02 -2%
Intel SSD 660p 1TB SSDPEKNW010T8 0%
Samsung PM991A MZALQ256HBJD
Intel SSD 600p SSDPEKKW512G8L 1%
Toshiba KXG50ZNV1T02 2%
Intel SSD 660p 2TB SSDPEKNW020T8 3%
SK hynix PC400 512 GB 4%
Crucial P1 SSD CT1000P1SSD8 4%
2x Samsung SM951 MZVPV512HDGL (RAID 0) 4%
Future Path FPE220M8SSD512G 5%
...
min: 914 avg: 1004 median: 1003.5 (28%) max: 1093 Points
...
2x Toshiba HG6 THNSNJ128G8NU (RAID 0) -2%
LiteOn CX2-8B256 -2%
Toshiba KBG30ZMV512G -1%
Apple SSD AP0512 -1%
Toshiba KXG5AZNV256G -1%
ESO512GYLCT 0%
Samsung PM991A MZALQ256HBJD
Toshiba XG5 KXG50ZNV512G 2%
Apple SSD SM0128G 3%
...
AS SSD - Access Time Write *
min: 0.021 avg: 0 median: 0 (0%) max: 0.033 ms
...
Phison PS5013 311CD0512GB -5%
2x Intel 760p 512 GB + 1x Samsung SM961 512 GB (RAID) -4%
SK Hynix HFS512 GDE9X081N -4%
Samsung PM991A MZALQ256HBJD
Intel SSD 760p SSDPEKKW010T8 2%
Samsung SSD SM951a 512GB M.2 PCIe 3.0 x4 NVMe (MZVKV512) 4%
Samsung SSD 980 1TB MZ-V8V1T0BW 4%
...
Seagate Momentus Thin ST500LT012-9WS142 + 32 GB LiteOn LMT-32L3M SSD Cache 224715%
AS SSD - Access Time Read *
min: 0.071 avg: 0.1 median: 0.1 (0%) max: 0.179 ms
...
Phison SM280256GPMC15B-S10C4 -2%
SK hynix SC311 M.2 -1%
Samsung SSD PM851 M.2 2280 256GB -1%
SanDisk SD8SN8U128G1027 -1%
Sandisk X300 SD7SB6S-256G-1012 -1%
Micron RealSSD C400 (MTFDDAK512MAM-1K1AB) -1%
Transcend M.2 SSD 430S TS512GMTS430S -1%
Kingston RBUSC180DS37256GH -1%
Toshiba HG5d THNSNH128GMCT -1%
Samsung PM991A MZALQ256HBJD
Samsung SSD PM841 MZMTD256HAGM 0%
2x Lite-On CMT-128L3M (RAID 0) 0%
Samsung SSD PM830 7mm 128GB 1%
2x Toshiba HG6 THNSNJ256G8NU (RAID 0) 1%
Hynix HFS128G3MND 1%
Samsung SSD PM841 MZMTD128HAFV mSATA 1%
Toshiba HG6 THNSFJ256GCSU 1%
SanDisk X400 256GB, SATA (SD8SB8U-256G) 1%
Apple SSD SM0512G 2%
...
Toshiba MK7575GSX 21980%
min: 728 avg: 823 median: 823.4 (16%) max: 918.85 MB/s
ADATA DashDrive Durable HD650 USB 3.0 -100%
...
Toshiba KXG5AZNV256G -2%
Intel SSD 600p SSDPEKKW512G8L -1%
Crucial P1 SSD CT1000P1SSD8 -1%
Intel SSD 660p 2TB SSDPEKNW020T8 0%
Samsung PM991A MZALQ256HBJD
Kingston OM8PCP3512F-AB 1%
Toshiba KXG5AZNV1T02 1%
Intel SSD 760p SSDPEKKW010T8 4%
Intel SSD 760p SSDPEKKW020T8 5%
...
min: 658 avg: 739 median: 739.1 (25%) max: 820.25 MB/s
...
ESO512GYLCT -2%
LiteOn CX2-8B256 -1%
Crucial P1 SSD CT1000P1SSD8 0%
Samsung MZFLV128 NVMe 0%
Samsung PM991A MZALQ256HBJD
Kingston SA1000M8240G 1%
SK hynix PC300 HFS512GD9MND 2%
Intel SSD 600p SSDPEKKW512G8L 3%
...
min: 121.86 avg: 146.9 median: 146.9 (40%) max: 172 MB/s
ADATA DashDrive Durable HD650 USB 3.0 -100%
...
Intel SSD 760p SSDPEKKW010T8 -3%
Crucial P1 SSD CT1000P1SSD8 0%
Phison PS5013 311CD0512GB 0%
Samsung PM991A MZALQ256HBJD
Samsung MZ9L4512HBLU-00BMV 0%
Kingston OM8PCP31024F 1%
2x Samsung SM961 MZVKW512HMJP NVMe (RAID 0) 1%
...
min: 43.13 avg: 49.1 median: 49.1 (16%) max: 55.1 MB/s
...
Intel SSD 660p 1TB SSDPEKNW010T8 -1%
Samsung PM991A MZALQ256HBJD
CUK Cyclone 500GB M.2 NVMe 0%
Samsung SSD PM961 1TB M.2 PCIe 3.0 x4 NVMe (MZVLW1T0) 0%
2x Intel SSD 660p SSDPEKNW512G8 (RAID 0) 0%
Samsung SSD PM981a MZVLB256HBHQ 1%
Phison PS5013 311CD0512GB 1%
...
Intel Optane 32 GB MEMPEK1W032GA 443%
AS SSD - Sequential Write
min: 772 avg: 931 median: 930.9 (11%) max: 1089.74 MB/s
...
Kingston OM8PCP3512F-AB -3%
Samsung SSD 950 Pro 256GB m.2 NVMe -3%
Toshiba BG4 KBG40ZPZ256G -2%
3x Kingston RBU-SNS8100S3128GD (RAID 0) -2%
Samsung PM991A MZALQ256HBJD
Lite-On CA1-8D256-HP 2%
Toshiba BG4 KBG40ZPZ512G 2%
WDC PC SN520 SDAPNUW-256G 5%
...
min: 2011 avg: 2153 median: 2152.6 (22%) max: 2294.23 MB/s
...
Lite-On CA1-8D256-HP -1%
Apple SSD SM1024L -1%
Toshiba XG5 KXG50ZNV512G -1%
3x Samsung SSD 970 Pro 512GB (RAID 0) -1%
Apple SSD SM0256L -1%
OM3PDP3-AD NVMe KDI 512GB 0%
Phison PS5013 311CD0512GB 0%
Samsung PM991A MZALQ256HBJD
Samsung SSD PM961 1TB M.2 PCIe 3.0 x4 NVMe (MZVLW1T0) 1%
Toshiba XG5-P KXG50PNV2T04 1%
SK hynix PC400 512 GB 2%
Lexar NM610 500GB 2%
...
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
88.8 MB/s (8%)
Western Digital Scorpio Blue WD5000LPCX-24C6HT0 -99%
...
KUU-512GB -3%
Toshiba SG5 THNSNK128GVN8 -3%
CUK Cyclone 500GB M.2 NVMe -2%
Kingston RBUSNS8154P3512GJ1 -1%
Kingston RBUSNS8154P3512GJ -1%
Intel Optane 16 GB MEMPEK1J016GAH + HGST HTS541010B7E610 1 TB HDD -1%
SanDisk SD8SN8U128G1027 0%
Samsung PM991A MZALQ256HBJD
BIWIN SSD 256 GB 0%
Toshiba KBG20ZMS256G 1%
Toshiba BG4 KBG40ZPZ256G 1%
Kingston SA1000M8240G 2%
SK hynix HFB1M8MQ331C0MR 2%
Toshiba KSG60ZMV512G 5%
2x WDC PC SN720 SDAPNTW-256G-1014 (RAID 0) 5%
...
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
39.6 MB/s (1%)
Western Digital Scorpio Blue WD5000LPCX-24C6HT0 -100%
...
Toshiba NVMe THNSN5256GPU7 -2%
2x WDC PC SN720 SDAPNTW-256G-1014 (RAID 0) -2%
Teclast BD256GB -2%
SK hynix BC501 HFM256GDGTNG -1%
SK hynix BC501 HFM128GDJTNG-831 -1%
Samsung SSD PM981 MZVLB2T0HMLB 0%
Samsung PM991A MZALQ256HBJD
SK hynix SSD Canvas SC300 HFS256GD9MNE-6200A 0%
Toshiba NVMe THNSN51T02DUK 1%
SK hynix BC501 HFM256GDHTNG 1%
Kingston RBUSNS8154P3512GJ1 2%
...
Intel Optane 32 GB MEMPEK1W032GA 776%
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1205 MB/s (6%)
Western Digital Scorpio Blue WD5000LPCX-24C6HT0 -98%
...
Toshiba BG4 KBG40ZPZ256G -1%
Apple SSD SM0512F -1%
Samsung PM991A MZALQ256HBJD
Toshiba KBG40ZNS512G NVMe 0%
WDC PC SN520 SDAPMUW-512 0%
WDC PC SN520 SDAPNUW-512G 5%
Toshiba BG4 KBG40ZPZ512G 5%
...
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1803 MB/s (22%)
...
Toshiba BG4 KBG40ZPZ512G -2%
SK Hynix HFS512 GDE9X081N 0%
Samsung PM991A MZALQ256HBJD
Apple SSD AP0128 0%
Toshiba XG5 KXG50ZNV256G 1%
...
1x Samsung SSD PM981 MZVLB512HAJQ + 2x Intel SSD 760p SSDPEKKW512G8 (RAID 0) 198%
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
382.3 MB/s (14%)
Western Digital Scorpio Blue WD5000LPCX-24C6HT0 -100%
...
Samsung SSD PM981a MZVLB256HBHQ -3%
Kioxia BG5 KBG5AZNV512G -2%
Crucial P1 SSD CT1000P1SSD8 -1%
Intel SSD 660p SSDPEKNW512G8 0%
Intel SSD 760p SSDPEKKW256G8 0%
Samsung PM991A MZALQ256HBJD
Lexar NM610 500GB 0%
2x Intel 760p 512 GB + 1x Samsung SM961 512 GB (RAID) 0%
2x Intel SSD 660p SSDPEKNW512G8 (RAID 0) 2%
Future Path FPE220M8SSD512G 2%
...
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
515 MB/s (8%)
WDC Blue WD10SPZX-24Z10T0 -100%
...
2x SK Hynix PC601 NVMe 512 GB (RAID 0) -1%
Toshiba NVMe THNSN51T02DUK -1%
2x Samsung SSD PM981 MZVLB512HAJQ (RAID 0) -1%
Samsung PM991A MZALQ256HBJD
Crucial P1 SSD CT1000P1SSD8 2%
...
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1205 MB/s (12%)
...
Transcend M.2 SSD 2200S TS512GMTE220S -5%
Apple SSD AP0256 -4%
Lenovo LENSE20256GMSP34MEAT2TA 0%
Samsung PM991A MZALQ256HBJD
Toshiba KBG40ZNS512G NVMe 2%
Samsung PM991a MZ9LQ1T0HBLB-00BKN 4%
SK hynix PC401 NVMe 500 GB 5%
...
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
2447 MB/s (19%)
...
Phison PS5013 311CD0512GB -1%
Lite-On CA1-8D256-HP -1%
LiteOn CX2-8B256 0%
Samsung PM991A MZALQ256HBJD
Toshiba XG5 KXG50ZNV256G 2%
Toshiba NVMe THNSN5256GPU7 2%
Kingston OM8PDP3256B 3%
...
DiskSpd - DiskSpd 4k_q1t1_write
min: 140.8 avg: 147.4 median: 147.4 (35%) max: 154 MB/s
...
Intel SSD 660p SSDPEKNW512G8 -1%
Samsung SSD 980 1TB MZ-V8V1T0BW 0%
Samsung PM991A MZALQ256HBJD
Samsung SSD PM981 MZVLB512HAJQ 2%
...
DiskSpd - DiskSpd 4k_q1t1_read
min: 48.2 avg: 52.2 median: 52.2 (15%) max: 56.2 MB/s
Samsung SSD 850 EVO 500GB -89%
...
Intel SSD 660p 1TB SSDPEKNW010T8 -1%
Samsung PM991A MZALQ256HBJD
OM3PDP3-AD NVMe KDI 512GB 0%
2x Intel SSD 660p 1TB SSDPEKNW010T8 (RAID 0) 1%
SK Hynix HFM512GD3JX013N 1%
...
DiskSpd - DiskSpd 4k_q32t16_write
min: 445 avg: 681 median: 680.5 (15%) max: 916 MB/s
...
SK Hynix HFS512 GDE9X081N -12%
Intel SSD 660p SSDPEKNW512G8 -9%
Intel SSD 660p 1TB SSDPEKNW010T8 -2%
Samsung PM991A MZALQ256HBJD
Crucial P1 SSD CT1000P1SSD8 2%
Samsung PM991a MZ9LQ1T0HBLB-00BKN 2%
Future Path FPE220M8SSD512G 5%
...
DiskSpd - DiskSpd 4k_q32t16_read
min: 677 avg: 780 median: 779.5 (17%) max: 882 MB/s
...
Toshiba KBG40ZNS512G NVMe -2%
Samsung PM991A MZALQ256HBJD
SK Hynix PC401 512GB M.2 (HFS512GD9TNG) 0%
...
DiskSpd - DiskSpd seq_write
min: 1123 avg: 1160 median: 1160 (15%) max: 1197 MB/s
...
WDC PC SN520 SDAPNUW-512G -2%
OM3PDP3-AD NVMe KDI 512GB 0%
Samsung PM991A MZALQ256HBJD
WDC PC SN520 SDAPNUW-256G 2%
Apple SSD SM0512F 2%
Kingston OM8PDP3256B 4%
...
DiskSpd - DiskSpd seq_read
min: 1816 avg: 1829 median: 1829 (33%) max: 1842 MB/s
...
2x Micron 2200S 512 GB (RAID 0) -3%
Kioxia BG5 KBG5AZNT256G 0%
SK Hynix HFS512 GDE9X081N 0%
Samsung PM991A MZALQ256HBJD
Samsung SSD PM981a MZVLB256HBHQ 1%
Samsung SSD PM981 MZVLB1T0HALR 2%
...
DiskSpd - DiskSpd seq_q8t1_write
min: 1137 avg: 1174 median: 1174 (11%) max: 1211 MB/s
...
Apple SSD AP0256 -4%
Samsung PM991A MZALQ256HBJD
Samsung PM991a MZ9LQ1T0HBLB-00BKN 1%
OM3PDP3-AD NVMe KDI 512GB 2%
Toshiba KBG40ZNS256G NVMe 2%
Intel SSDPEMKF512G8 NVMe SSD 5%
Kingston OM8PDP3256B 5%
...
DiskSpd - DiskSpd seq_q8t1_read
min: 2187 avg: 2325 median: 2324.5 (18%) max: 2462 MB/s
...
Toshiba KBG40ZNS256G NVMe -3%
Samsung PM991a MZ9LQ1T0HBLB-00BKN -1%
Toshiba KBG40ZNS512G NVMe 0%
Samsung PM991A MZALQ256HBJD
Phison PS5013 311CD0512GB 0%
ESO512GYLCT 1%
SK Hynix PC401 512GB M.2 (HFS512GD9TNG) 2%
Toshiba KBG40ZNV512G 2%
...
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 2127 avg: 2290 median: 2290 (17%) max: 2453 MB/s
Toshiba 064G93 64 GB eMMC -94%
...
SK Hynix PC401 512GB M.2 (HFS512GD9TNG) -4%
Samsung PM991a MZ9LQ1T0HBLB-00BKN -1%
Phison PS5013 311CD0512GB -1%
Samsung PM991A MZALQ256HBJD
Samsung PM991 MZVLQ512HBLU 1%
Intel SSD 600p SSDPEKKW512G7 3%
Apple SSD SM0512F 3%
Kioxia BG5 KBG5AZNT256G 3%
Silicon Motion PCIe-8 SSD 1TB 3%
...
Lenovo ThinkBook 15 G3 ACL 21A400B2GE: Ø2127 (1897.29-2168.94)
- Range of benchmark values for this graphics card

- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
v1.22
log 03. 08:05:39
#0 no ids found in url (should be separated by "_") +0s ... 0s
#1 not redirecting to Ajax server +0s ... 0s
#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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Klaus Hinum (Update: 2021-10-23)