Notebookcheck Logo

Samsung PM991a MZVLQ1T0HBLB

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
20.4 pt (25%)
AS SSD - Copy Game
min: 782.8     avg: 926     median: 926 (15%)     max: 1069.21 MB/s
AS SSD - Copy Program
min: 416.67     avg: 430.1     median: 430.1 (16%)     max: 443.59 MB/s
AS SSD - Copy ISO
min: 836.92     avg: 1395     median: 1395.5 (13%)     max: 1953.98 MB/s
AS SSD - Score Total
min: 2863     avg: 3318     median: 3199 (23%)     max: 3891 Points
AS SSD - Score Write
min: 1287     avg: 1377     median: 1404 (19%)     max: 1440 Points
AS SSD - Score Read
min: 997     avg: 1314     median: 1303 (5%)     max: 1643 Points
AS SSD - Access Time Write *
min: 0.021     avg: 0     median: 0 (0%)     max: 0.038 ms
AS SSD - Access Time Read *
min: 0.079     avg: 0.1     median: 0.1 (0%)     max: 0.11 ms
AS SSD - 4K-64 Write
min: 1060.55     avg: 1081     median: 1065.5 (18%)     max: 1116.27 MB/s
AS SSD - 4K-64 Read
min: 688.76     avg: 1003     median: 1015.5 (29%)     max: 1305.83 MB/s
AS SSD - 4K Write
min: 100.6     avg: 144.6     median: 155.9 (30%)     max: 177.34 MB/s
AS SSD - 4K Read
min: 37.34     avg: 48.6     median: 51.2 (16%)     max: 57.3 MB/s
AS SSD - Sequential Write
min: 1262     avg: 1517     median: 1321.1 (12%)     max: 1968.97 MB/s
AS SSD - Sequential Read
min: 2502     avg: 2624     median: 2573.7 (20%)     max: 2796.51 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 107.85     avg: 140.9     median: 116.6 (11%)     max: 198.3 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 39.85     avg: 48     median: 42.2 (1%)     max: 62.02 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 1619     avg: 1695     median: 1657 (9%)     max: 1810.18 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1671     avg: 1900     median: 1914.5 (23%)     max: 2115 MB/s
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
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
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 1724     avg: 1930     median: 2006.3 (13%)     max: 2061 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3139.8     avg: 3149     median: 3151 (17%)     max: 3156 MB/s
DiskSpd - DiskSpd 4k_q1t1_write
min: 100.1     avg: 139.3     median: 114.8 (27%)     max: 203 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 40.5     avg: 52.1     median: 54.7 (16%)     max: 61.2 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 333     avg: 560     median: 413 (8%)     max: 934 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 595     avg: 996     median: 1136 (18%)     max: 1258 MB/s
DiskSpd - DiskSpd seq_write
min: 1536     avg: 1597     median: 1549 (17%)     max: 1705 MB/s
DiskSpd - DiskSpd seq_read
min: 1788     avg: 1923     median: 1869 (27%)     max: 2111 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 1615     avg: 1747     median: 1628 (11%)     max: 1998 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 2841     avg: 2940     median: 2867 (18%)     max: 3111 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 1897     avg: 2195     median: 2094 (13%)     max: 2594 MB/s
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400250026002700280029003000Tooltip
- 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 18. 13:21:31

#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 Tue, 16 Apr 2024 17:31:00 +0200 +0.001s ... 0.001s

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

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

#5 getting avg benchmarks for device 3851 +0.013s ... 0.019s

#6 got single benchmarks 3851 +0.01s ... 0.029s

#7 got avg benchmarks for devices +0s ... 0.029s

#8 min, max, avg, median took s +0.691s ... 0.72s

#9 return log +0.012s ... 0.733s

Notebook reviews with Samsung PM991a MZVLQ1T0HBLB

HP Envy 17 laptop review: GeForce GPU plays on elegant 4K display of the multimedia laptop

HP Envy 17 laptop review: GeForce GPU plays on elegant 4K display of the multimedia laptop

A large display with a high, 4K resolution in a simple case together with computing power from Intel's 12th generation, 32 GB of DDR4 RAM, and a dedicated GeFor...
Intel Core i7-1255U | NVIDIA GeForce RTX 2050 Mobile | 17.30" | 2.6 kg
LG Ultra PC 14 review: Stamina meets performance

LG Ultra PC 14 review: Stamina meets performance

Great stamina for on the go – this is something we can attest to for the Ultra PC 16. Its smaller 14-inch brother offers even more of that, lasting five hours l...
AMD Ryzen 7 5825U | AMD Radeon RX Vega 8 (Ryzen 4000/5000) | 14.00" | 1.3 kg
Asus TUF Dash F15 FX517ZR in review: Laptop with Mobile RTX 3070 and acceptable battery life

Asus TUF Dash F15 FX517ZR in review: Laptop with Mobile RTX 3070 and acceptable battery life

The Asus TUF F15 is an upper mid-range QHD gaming laptop with a well-rounded configuration: The Core i7-12650H, the GeForce RTX 3070 Laptop version, 16 GB of RA...
Intel Core i7-12650H | NVIDIA GeForce RTX 3070 Laptop GPU | 15.60" | 2 kg

HP Envy 17-cr0079ng: Intel Core i7-1255U NVIDIA GeForce RTX 2050 Mobile, 17.30", 2.6 kg
  External Review » HP Envy 17-cr0079ng

Asus TUF Dash F15 FX517ZR: Intel Core i7-12650H NVIDIA GeForce RTX 3070 Laptop GPU, 15.60", 2 kg
  External Review » Asus TUF Dash F15 FX517ZR

   » Asus TUF Dash F15 gaming laptop with RTX 3070 and Core i7 on sale for 33% off

HP Envy 17-cr0079ng: Intel Core i7-1255U NVIDIA GeForce RTX 2050 Mobile, 17.30", 2.6 kg
   » HP Envy 17 tested: A large multimedia laptop with GeForce RTX and 4K display

LG UltraPC 14 14U70Q-G.AA79G: AMD Ryzen 7 5825U AMD Radeon RX Vega 8 (Ryzen 4000/5000), 14.00", 1.3 kg
   » LG Ultra PC 14: Battery life exceeded expectations in our testing

Asus TUF Dash F15 FX517ZR: Intel Core i7-12650H NVIDIA GeForce RTX 3070 Laptop GPU, 15.60", 2 kg
   » Asus TUF Dash F15 FX517ZR: 2 kg gaming laptop with E-cores that can be switched off

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 PM991a MZVLQ1T0HBLB SSD Benchmarks
Klaus Hinum (Update: 2022-07-20)