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SanDisk Ultra II 240GB vs Western Digital WD Black SN750 NVMe SSD 250GB

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Specification Charts

Capacity

WD Black SN750 NVMe SSD 250GB 250 GB
Ultra II 240GB 240 GB
Difference: 10 (4%)

Random Read

WD Black SN750 NVMe SSD 250GB 220000 IOPS
Ultra II 240GB 91000 IOPS
Difference: 129000 (142%)

Random Write

WD Black SN750 NVMe SSD 250GB 180000 IOPS
Ultra II 240GB 83000 IOPS
Difference: 97000 (117%)

Sequential Read

WD Black SN750 NVMe SSD 250GB 3100 MB/sec
Ultra II 240GB 550 MB/sec
Difference: 2550 (464%)

Sequential Write

WD Black SN750 NVMe SSD 250GB 1600 MB/sec
Ultra II 240GB 500 MB/sec
Difference: 1100 (220%)

Endurance

WD Black SN750 NVMe SSD 250GB 200 TB
Ultra II 240GB 109 TB
Difference: 91 (83%)

Specifications

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Model Ultra II 240GB WD Black SN750 NVMe SSD 250GB
Manufacturer SanDisk Western Digital
NAND SanDisk 2nd Gen 128Gbit 19nm TLC SanDisk 64-layer 3D TLC
Form Factor 2.5" M.2 (2280)
Capacity 240 GB 250 GB
Cache 10240 MB (N/A) MB
Sequential Read 550 MB/s 3100 MB/s
Sequential Write 500 MB/s 1600 MB/s
Random Read 91000 IOPS 220000 IOPS
Random Write 83000 IOPS 180000 IOPS
Interface SATA III 6Gb/s NVMe 1.3
Controller Marvell 88SS9190 Western Digital in-house
Date Released 2014 2019
Endurance 109 TB 200 TB
Notes 3 Year Warranty 5-Year Warranty

Price Comparison

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Ultra II 240GB

Amazon.com

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WD Black SN750 NVMe SSD 250GB

Amazon.com

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