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Western Digital WD Black SN750 NVMe SSD 2TB vs WD Blue SN550 NVMe SSD 1TB

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Specification Charts

Capacity

WD Black SN750 NVMe SSD 2TB 2048 GB
WD Blue SN550 NVMe SSD 1TB 1024 GB
Difference: 1024 (100%)

Random Read

WD Black SN750 NVMe SSD 2TB 480000 IOPS
WD Blue SN550 NVMe SSD 1TB 410000 IOPS
Difference: 70000 (17%)

Random Write

WD Black SN750 NVMe SSD 2TB 550000 IOPS
WD Blue SN550 NVMe SSD 1TB 405000 IOPS
Difference: 145000 (36%)

Sequential Read

WD Black SN750 NVMe SSD 2TB 3400 MB/sec
WD Blue SN550 NVMe SSD 1TB 2400 MB/sec
Difference: 1000 (42%)

Sequential Write

WD Black SN750 NVMe SSD 2TB 2900 MB/sec
WD Blue SN550 NVMe SSD 1TB 1750 MB/sec
Difference: 1150 (66%)

Endurance

WD Black SN750 NVMe SSD 2TB 1200 TB
WD Blue SN550 NVMe SSD 1TB 600 TB
Difference: 600 (100%)

Specifications

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Model WD Black SN750 NVMe SSD 2TB WD Blue SN550 NVMe SSD 1TB
Manufacturer Western Digital Western Digital
NAND SanDisk 64-layer 3D TLC SanDisk 96L TLC
Form Factor M.2 (2280) M.2 (2280)
Capacity 2048 GB 1024 GB
Cache N/A MB (N/A) MB
Sequential Read 3400 MB/s 2400 MB/s
Sequential Write 2900 MB/s 1750 MB/s
Random Read 480000 IOPS 410000 IOPS
Random Write 550000 IOPS 405000 IOPS
Interface NVMe 1.3 NVMe 1.4
Controller Western Digital in-house WD Architecture
Date Released 2019 2019
Endurance 1200 TB 600 TB
Notes 5-Year Warranty & Optional Heatsink 5-Year Warranty

Price Comparison

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WD Black SN750 NVMe SSD 2TB

Amazon.com

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WD Blue SN550 NVMe SSD 1TB

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