Notebookcheck Logo

Samsung PM991 MZ9LQ512HALU

Samsung PM991 MZ9LQ512HALU PM991 MZ9LQ512HALU

The Samsung PM991 MZ9LQ512HALU is a mid range PCIe M.2 2230 NVMe SSD.

TypeSSD
SizeM.2 2230
Capacity512 GB
InterfaceM.2
Announced23.06.2020

Benchmarks

Performance Rating - DiskSpd
16.9 pt (21%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.771 -95%
...
GSemi AZW GSDFN512TS3F1OGCX
16.5 -2%
SK hynix BC511 HFM512GDHTNI-87A0B
16.5 -2%
WDC PC SN530 SDBPMPZ-265G
16.5 -2%
Toshiba XG5-P KXG50PNV2T04
16.6 -2%
Intel SSD 660p SSDPEKNW512G8
16.6 -2%
WDC PC SN530 SDBPTPZ-512G
16.6 -2%
Toshiba KBG40ZNS256G NVMe
16.8 -1%
SK hynix BC501 HFM512GDHTNG-8310A
16.9 0%
SK Hynix BC511 HFM512GDJTNI
16.9 0%
Samsung PM991 MZ9LQ512HALU
16.9
Apple SSD AP1024
17 1%
SK Hynix BC501 HFM512GDJTNG
17.2 2%
WDC PC SN520 SDAPNUW-512G
17.2 2%
WDC PC SN530 SDBQNPZ-512G
17.2 2%
Netac S930E8/256GPN
17.2 2%
Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL
17.3 2%
Silicon Motion AZW 256G M.228 NVMe 4X 200725 D
17.3 2%
Toshiba KBG30ZMT512G
17.4 3%
WDC PC SN520 SDAPMUW-512
17.4 3%
...
Corsair MP700 Pro 2TB
80.6 377%
0%
100%
AS SSD - Copy Game
min: 976     avg: 995     median: 994.5 (17%)     max: 1013 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 401.9     avg: 515     median: 515 (19%)     max: 628 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 1243     avg: 1264     median: 1263.5 (11%)     max: 1284 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 2477     avg: 2507     median: 2506.5 (18%)     max: 2536 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 973     avg: 980     median: 980 (14%)     max: 987 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 1012     avg: 1023     median: 1023 (4%)     max: 1034 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.027     avg: 0.1     median: 0.1 (0%)     max: 0.095 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.098     avg: 0.1     median: 0.1 (0%)     max: 0.191 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 721     avg: 744     median: 743.5 (13%)     max: 766 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 782     avg: 818     median: 818 (24%)     max: 854 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 128     avg: 134.8     median: 134.8 (26%)     max: 141.6 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 41.32     avg: 44.4     median: 44.4 (14%)     max: 47.54 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 794     avg: 1014     median: 1014 (9%)     max: 1234 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 1386     avg: 1604     median: 1603.5 (13%)     max: 1821 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 118.2     avg: 130.2     median: 130.2 (12%)     max: 142.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 37.54     avg: 42     median: 42 (1%)     max: 46.43 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 1017     avg: 1063     median: 1062.5 (6%)     max: 1108 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 926     avg: 1274     median: 1274 (15%)     max: 1622 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 354.2     avg: 410.6     median: 410.6 (13%)     max: 467 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 352.6     avg: 438.8     median: 438.8 (7%)     max: 525 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 1174     avg: 1189     median: 1188.5 (8%)     max: 1203 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 2261     avg: 2275     median: 2274.5 (12%)     max: 2288 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 117     avg: 128.5     median: 128.5 (30%)     max: 140 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 47.3     avg: 47.7     median: 47.7 (14%)     max: 48 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 361     avg: 562     median: 562 (12%)     max: 763 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 531     avg: 737     median: 737 (12%)     max: 943 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 1050     avg: 1097     median: 1097 (12%)     max: 1144 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 998     avg: 1174     median: 1173.5 (17%)     max: 1349 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1122     avg: 1147     median: 1146.5 (8%)     max: 1171 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 1942     avg: 2076     median: 2076 (13%)     max: 2210 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 1328     avg: 1753     median: 1753 (11%)     max: 2178 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Add one or more devices and compare

In the following list you can select (and also search for) devices that should be added to the comparison. You can select more than one device.

restrict list:

show all (including archived), 2024, 2023
v1.26
log 25. 14:40:10

#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 Sun, 21 Apr 2024 17:34:57 +0200 +0.001s ... 0.001s

#3 composed specs +0.006s ... 0.007s

#4 did output specs +0s ... 0.007s

#5 getting avg benchmarks for device 3501 +0.015s ... 0.022s

#6 got single benchmarks 3501 +0.008s ... 0.03s

#7 got avg benchmarks for devices +0s ... 0.03s

#8 min, max, avg, median took s +0.789s ... 0.819s

#9 return log +0.011s ... 0.829s

Notebook reviews with Samsung PM991 MZ9LQ512HALU

Microsoft Surface Laptop 4 13 Laptop Review - Too expensive with Intel CPU?

Microsoft Surface Laptop 4 13 Laptop Review - Too expensive with Intel CPU?

Microsoft's small Surface Laptop 4 gets a new Tiger Lake processor, but that's about it. Is that still enough in 2021 to compete with the rivals including Apple...
Intel Core i7-1185G7 | Intel Iris Xe Graphics G7 96EUs | 13.50" | 1.3 kg
Going all in on AMD: Dell G5 15 Special Edition Radeon RX 5600M Laptop Review

Going all in on AMD: Dell G5 15 Special Edition Radeon RX 5600M Laptop Review

It's not the quietest or best-looking gaming laptop out there, but $860 USD for GeForce RTX 2060-level graphics and Core i7-like performance is hard to argue wi...
AMD Ryzen 7 4800H | AMD Radeon RX 5600M | 15.60" | 2.4 kg

Microsoft Surface Laptop 4 13 i7: Intel Core i7-1185G7 Intel Iris Xe Graphics G7 96EUs, 13.50", 1.3 kg
  External Review » Microsoft Surface Laptop 4 13 i7

Dell G5 15 SE 5505 P89F: AMD Ryzen 7 4800H AMD Radeon RX 5600M, 15.60", 2.4 kg
  External Review » Dell G5 15 SE 5505 P89F

   » One of the only AMD gaming laptops you can buy is on sale right now for $900 USD

   » Radeon RX 5600M vs. GeForce RTX 2060: AMD is So Freaking Close

Please share our article, every link counts!
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > Samsung PM991 MZ9LQ512HALU SSD Benchmarks
Klaus Hinum (Update: 2020-06-23)