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Kingston A400 SSD 120GB vs Western Digital WD Blue 3D NAND SATA SSD 250GB

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Specification Charts

Capacity

WD Blue 3D NAND SATA SSD 250GB 256 GB
A400 SSD 120GB 128 GB
Difference: 128 (100%)

Random Read

A400 SSD 120GB N/A IOPS
WD Blue 3D NAND SATA SSD 250GB 95000 IOPS
Difference: -95000 (-100%)

Random Write

A400 SSD 120GB N/A IOPS
WD Blue 3D NAND SATA SSD 250GB 81000 IOPS
Difference: -81000 (-100%)

Sequential Read

WD Blue 3D NAND SATA SSD 250GB 550 MB/sec
A400 SSD 120GB 500 MB/sec
Difference: 50 (10%)

Sequential Write

WD Blue 3D NAND SATA SSD 250GB 525 MB/sec
A400 SSD 120GB 320 MB/sec
Difference: 205 (64%)

Endurance

WD Blue 3D NAND SATA SSD 250GB 100 TB
A400 SSD 120GB 40 TB
Difference: 60 (150%)

Specifications

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Model A400 SSD 120GB WD Blue 3D NAND SATA SSD 250GB
Manufacturer Kingston Western Digital
NAND 3bit TLC NAND SanDisk 64-layer 3D TLC
Form Factor 2.5" SATA III 2.5" SATA III
Capacity 128 GB 256 GB
Cache N/A MB (N/A) MB
Sequential Read 500 MB/s 550 MB/s
Sequential Write 320 MB/s 525 MB/s
Random Read N/A IOPS 95000 IOPS
Random Write N/A IOPS 81000 IOPS
Interface SATA III SATA III 6Gb/s
Controller Phison S11 Marvell 88SS1074
Date Released 2017 2018
Endurance 40 TB 100 TB
Notes 3-Year Limited Warranty 3-Year Warranty

Price Comparison

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A400 SSD 120GB

Amazon.com

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WD Blue 3D NAND SATA SSD 250GB

Amazon.com

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