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Samsung PM9C1b MZVL8512HFLU-00BLL

PM9C1b MZVL8512HFLU-00BLL

The Samsung PM9C1b MZVL8512HFLU-00BLL (MZ-VL8512T0D) is a 512-GB NVMe PCIe 4 x4 SSD that never received an official launch. Supposedly, PM9C1b drives are based on the same hardware as 990 Evo Plus models but are meant for OEMs rather than general consumers.

The 22 by 80 format drive first became available in 2024, with Notebookcheck editors only getting their hands on one in March 2026.

Performance

AS SSD reports a sequential read rate of 5.18 GB/s, with writes a little slower at 4.6 GB/s. These are decent figures for a mid-range drive in early 2026. Its performance sustainability seems reasonably good, too.

TypeSSD
SizeM.2 2280
Capacity512 GB
InterfaceNVMe
Announced25.09.2024

Benchmarks

Performance Rating - DiskSpd
28.4 pt (32%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.717 -97%
...
Phison 1 TB ESR01TBTCCZ-27J
28.1 -1%
SK Hynix PC601 1TB HFS001TD9TNG
28.1 -1%
Seagate FireCuda 520 SSD ZP1000GM30002
28.2 -1%
Micron 3500 1TB MTFDKBA1T0TGD
28.2 -1%
Micron 2450 512GB MTFDKBA512TFK
28.2 -1%
Netac NS1T0BSSD610
28.4 0%
Kioxia BG6 KBG6AZNV1T02
28.4 0%
ESR512GTLG-E6GBTNB4
28.4 0%
SK Hynix PC711 1TB HFS001TDE9X084N
28.4 0%
Samsung PM9C1b MZVL8512HFLU-00BLL
28.4
Kioxia XG8 KXG80ZNV512G
28.7 1%
Western Digital PCSN5000S SDEPMSJ-1T00-1101
28.7 1%
Western Digital PC SN5000S SDEPNSJ-1T00-1006
28.8 1%
Samsung PM9B1 1024GB MZVL41T0HBLB
28.8 1%
Samsung SSD 980 1TB MZ-V8V1T0BW
28.9 2%
WD PC SN740 512GB SDDPNQD-512G
28.9 2%
PSEIB512GABBMC0
28.9 2%
SK Hynix HFM001TD3HX015N
28.9 2%
Kioxia BG6 KBG60ZNS1T02
28.9 2%
...
Kingston Fury Renegade G5 4TB
87.8 209%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 344.77     avg: 1196     median: 1076.4 (18%)     max: 2285.21 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 584.22     avg: 763     median: 727 (27%)     max: 1014.57 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 2288.26     avg: 2977     median: 3049.5 (11%)     max: 3522.43 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 3297     avg: 5195     median: 4501.5 (28%)     max: 8479 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 1875     avg: 2814     median: 2735.5 (38%)     max: 3910 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 961     avg: 1606     median: 1207.5 (19%)     max: 3047 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.024     avg: 0     median: 0 (0%)     max: 0.03 ms
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.038     avg: 0.1     median: 0.1 (0%)     max: 0.211 ms
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 1501     avg: 2360     median: 2291 (39%)     max: 3355 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 611     avg: 1132     median: 721.5 (14%)     max: 2475 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 94.9     avg: 142.1     median: 154.8 (30%)     max: 164.1 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 44.2     avg: 52.4     median: 53.3 (17%)     max: 58.7 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 2097     avg: 3125     median: 2900.5 (26%)     max: 4601 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 3062     avg: 4215     median: 4307.5 (34%)     max: 5182 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 122.7     avg: 130.1     median: 130.1 (12%)     max: 137.5 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 58.9     avg: 62.1     median: 62.1 (2%)     max: 65.3 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 411     avg: 412.5     median: 412.5 (9%)     max: 414 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 427     avg: 444.5     median: 444.5 (7%)     max: 462 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 4967     avg: 4997     median: 4996.5 (33%)     max: 5026 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 6951     avg: 6986     median: 6986 (37%)     max: 7021 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
min: 412     avg: 435.5     median: 435.5 (9%)     max: 459 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
min: 738     avg: 842     median: 842 (13%)     max: 946 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 121.8     avg: 138.6     median: 133.6 (31%)     max: 165.6 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 58.4     avg: 63.8     median: 62.6 (18%)     max: 71.4 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 375     avg: 1306     median: 441.5 (7%)     max: 3964 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 614     avg: 1396     median: 729.5 (9%)     max: 3510 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 2275     avg: 3275     median: 2893.5 (28%)     max: 5037 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 2568     avg: 2971     median: 2836.5 (30%)     max: 3642 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 4178     avg: 4948     median: 4832 (33%)     max: 5948 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 5848     avg: 6409     median: 6412.5 (40%)     max: 6961 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 4669     avg: 5669     median: 5493.5 (34%)     max: 7019 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
01002003004005006007008009001000110012001300140015001600170018001900200021002200230024002500260027002800290030003100320033003400350036003700380039004000410042004300440045004600470048004900500051005200530054005500560057005800590060006100620063006400650066006700680069007000Tooltip
- Range of benchmark values
red legend - Average benchmark values
* 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.

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v1.35
log 17. 04:42:23

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

#1 no ids found in url (should be separated by "_") +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Fri, 12 Jun 2026 08:31:52 +0200 +0.006s ... 0.006s

#4 composed specs +0.005s ... 0.011s

#5 did output specs +0s ... 0.011s

#6 getting avg benchmarks for device 4359 +0.059s ... 0.07s

#7 got single benchmarks 4359 +0.011s ... 0.082s

#8 got avg benchmarks for devices +0s ... 0.082s

#9 min, max, avg, median took s +3.941s ... 4.023s

#10 return log +0.325s ... 4.348s

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Klaus Hinum (Update: 2026-03-21)