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SanDisk Ultra II 480GB vs Western Digital WD Blue SN550 NVMe SSD 500GB

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Specification Charts

Capacity

WD Blue SN550 NVMe SSD 500GB 500 GB
Ultra II 480GB 480 GB
Difference: 20 (4%)

Random Read

WD Blue SN550 NVMe SSD 500GB 300000 IOPS
Ultra II 480GB 98000 IOPS
Difference: 202000 (206%)

Random Write

WD Blue SN550 NVMe SSD 500GB 240000 IOPS
Ultra II 480GB 83000 IOPS
Difference: 157000 (189%)

Sequential Read

WD Blue SN550 NVMe SSD 500GB 2400 MB/sec
Ultra II 480GB 550 MB/sec
Difference: 1850 (336%)

Sequential Write

WD Blue SN550 NVMe SSD 500GB 1750 MB/sec
Ultra II 480GB 500 MB/sec
Difference: 1250 (250%)

Endurance

WD Blue SN550 NVMe SSD 500GB 300 TB
Ultra II 480GB 218 TB
Difference: 82 (38%)

Specifications

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Model Ultra II 480GB 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 480 GB 500 GB
Cache 20480 MB (N/A) MB
Sequential Read 550 MB/s 2400 MB/s
Sequential Write 500 MB/s 1750 MB/s
Random Read 98000 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 218 TB 300 TB
Notes 3 Year Warranty 5-Year Warranty

Price Comparison

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Ultra II 480GB

Amazon.com

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WD Blue SN550 NVMe SSD 500GB

Amazon.com

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