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Western Digital Blue SN550 NVMe SSD 1 TB WDS100T2B0C

The WD Blue SN550 NVMe SSD (WDS100T2B0C-00PXH0) is a good priced NVMe SSD for M.2 slots (2280). It features no DRAM buffer memory and uses 3 bit TLC memory chips with 96 layers. Officially Western Digital states 2.4 / 1.95 GB/s read / write speeds that we also could measure with CDM6 (2443 / 2019 MB/s).

TypeSSD
SizeM.2 2280
Capacity1024 GB
InterfaceNVMe
Announced20.12.2019

Benchmarks

AS SSD - Copy Game
1488 MB/s (25%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
799 MB/s (30%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
1496 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
2280 Points (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
1396 Points (19%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
598 Points (10%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
0.1 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
0 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
1098 MB/s (19%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
386.4 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
165.7 MB/s (32%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
26.8 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
1322 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
1852 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
234.3 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
53.1 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1978 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1102 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
573 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
763 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
2011 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
2355 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
1469 MB/s (29%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
1434 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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  • WD Blue SN5100 1TB NVMe SSD - M.2 2280, PCIe Gen 4.0, Internal Solid State Drive - Read Speeds Up to 7,100MB/s, Upgrade Storage for PC/Laptops - WDS100T5B0E
  • WD_Black SN7100 1TB NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s Read Speed, Up to 6,900 MB/s Write Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices - WDS100T4X0E
  • Western Digital 1TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS100T3G0C
  • WD_BLACK SN850X 1TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS100T2X0E
  • Western Digital 1TB WD Blue SA510 SATA Internal Solid State Drive SSD - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS100T3B0A

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v1.35
log 26. 08:08:36

#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 Sun, 22 Feb 2026 01:40:48 +0100 +0.002s ... 0.002s

#4 composed specs +0.001s ... 0.003s

#5 did output specs +0s ... 0.003s

#6 getting avg benchmarks for device 3425 +0.002s ... 0.005s

#7 got single benchmarks 3425 +0.002s ... 0.007s

#8 got avg benchmarks for devices +0s ... 0.007s

#9 min, max, avg, median took s +3.384s ... 3.391s

#10 return log +0.701s ... 4.092s

Notebook reviews with Western Digital Blue SN550 NVMe SSD 1 TB WDS100T2B0C

Western Digital Blue SN550 NVMe 1 TB SSD Benchmarked

Western Digital Blue SN550 NVMe 1 TB SSD Benchmarked

The budget PCIe x4 NVMe SSD offers sequential read rates of up to 2400 MB/s across all capacities. Write rates will vary depending on capacity while read/write performance during very small block sizes could be better.
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Klaus Hinum (Update: 2019-12-20)