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Samsung PM9C1b MZVL81T0HFLB-00BH1

PM9C1b MZVL81T0HFLB-00BH1

The Samsung PM9C1b MZVL81T0HFLB-00BH1 is a 1-TB 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 September 2025.

Performance

AS SSD reports a sequential read rate of 4.6 GB/s, with writes a quarter slower at 3.25 GB/s. These are decent figures for a lower mid-range drive in late 2025. Its performance sustainability proved reasonably good, as long as one ignores a curious dip at the very beginning.

TypeSSD
SizeM.2 2280
Capacity1000 GB
InterfaceNVMe
Announced25.09.2024

Benchmarks

Performance Rating - DiskSpd
29.3 pt (33%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.719 -98%
...
Samsung PM9B1 1024GB MZVL41T0HBLB
28.9 -1%
SK Hynix HFM001TD3HX015N
29 -1%
Samsung SSD 980 1TB MZ-V8V1T0BW
29 -1%
Kioxia BG6 KBG60ZNS1T02
29 -1%
PSEIB512GABBMC0
29 -1%
Intel SSD 670p SSDPEKNU010TZ
29.2 0%
WD PC SN740 256GB SDDPNQD-256G
29.2 0%
Micron MTFDKBA2T0TGD
29.3 0%
Sabrent Rocket 4.0 500GB
29.3 0%
Samsung PM9C1b MZVL81T0HFLB-00BH1
29.3
SK Hynix BC711 HFM512GD3JX016N
29.4 0%
Micron 3400 MTFDKBA512TFH 512GB
29.4 0%
Kioxia BG5 KBG50ZNS1T02
29.4 0%
Lenovo UMIS AM630 RPJTJ256MGE1QDY
29.5 1%
Kioxia XG7 KXG7AZNV512G
29.5 1%
Wodposit NVMe SSD 1024 GB
29.5 1%
Kioxia XG8 KXG80ZNV512G
29.6 1%
Gofatoo 512GB
29.6 1%
Western Digital PC SN5000S SDEPNSJ-2T00-1006
29.6 1%
...
Kingston Fury Renegade G5
88.1 201%
0%
100%
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AS SSD - Copy Game
1486 MB/s (25%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
756 MB/s (28%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
2298 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
5084 Points (31%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
3046 Points (42%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
1384 Points (22%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
0 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
0.1 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
2532 MB/s (43%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
866 MB/s (17%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
189.4 MB/s (37%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
58.8 MB/s (19%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
3249 MB/s (29%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
4595 MB/s (36%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
156.9 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
59.4 MB/s (2%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
424 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
443 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
5611 MB/s (38%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
7204 MB/s (39%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
404 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
1013 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
96.7 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
51.7 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
356 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
889 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
3704 MB/s (37%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
3031 MB/s (40%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
5750 MB/s (39%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
7258 MB/s (45%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
7228 MB/s (44%)
+ 1 benchmarks and specifications   + Show comparison chart
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400250026002700280029003000310032003300340035003600370038003900400041004200430044004500460047004800490050005100520053005400550056005700580059006000610062006300640065006600670068006900700071007200Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

Add one or more devices and compare

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v1.35
log 22. 09:23:57

#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 Wed, 19 Nov 2025 00:05:54 +0100 +0.001s ... 0.001s

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

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

#6 getting avg benchmarks for device 4318 +0.015s ... 0.021s

#7 got single benchmarks 4318 +0.006s ... 0.027s

#8 got avg benchmarks for devices +0s ... 0.027s

#9 min, max, avg, median took s +0.917s ... 0.944s

#10 return log +0.001s ... 0.945s

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Klaus Hinum (Update: 2025-10- 6)