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SanDisk Ultra II 960GB vs Western Digital WD Blue SN550 NVMe SSD 500GB

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Specification Charts

Capacity

Ultra II 960GB 960 GB
WD Blue SN550 NVMe SSD 500GB 500 GB
Difference: 460 (92%)

Random Read

WD Blue SN550 NVMe SSD 500GB 300000 IOPS
Ultra II 960GB 99000 IOPS
Difference: 201000 (203%)

Random Write

WD Blue SN550 NVMe SSD 500GB 240000 IOPS
Ultra II 960GB 83000 IOPS
Difference: 157000 (189%)

Sequential Read

WD Blue SN550 NVMe SSD 500GB 2400 MB/sec
Ultra II 960GB 550 MB/sec
Difference: 1850 (336%)

Sequential Write

WD Blue SN550 NVMe SSD 500GB 1750 MB/sec
Ultra II 960GB 500 MB/sec
Difference: 1250 (250%)

Endurance

Ultra II 960GB 436 TB
WD Blue SN550 NVMe SSD 500GB 300 TB
Difference: 136 (45%)

Specifications

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Model Ultra II 960GB WD Blue SN550 NVMe SSD 500GB
Manufacturer SanDisk Western Digital
NAND SanDisk 2nd Gen 128Gbit 19nm TLC SanDisk 96L TLC
Form Factor 2.5" M.2 (2280)
Capacity 960 GB 500 GB
Cache 40960 MB (N/A) MB
Sequential Read 550 MB/s 2400 MB/s
Sequential Write 500 MB/s 1750 MB/s
Random Read 99000 IOPS 300000 IOPS
Random Write 83000 IOPS 240000 IOPS
Interface SATA III 6Gb/s NVMe 1.4
Controller Marvell 88SS9189 WD Architecture
Date Released 2014 2019
Endurance 436 TB 300 TB
Notes 3 Year Warranty 5-Year Warranty

Price Comparison

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Ultra II 960GB

Amazon.com

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WD Blue SN550 NVMe SSD 500GB

Amazon.com

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