Compare any two Solid State Drives:

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Kingston A400 SSD 1.92TB vs Western Digital WD Blue SN550 NVMe SSD 500GB

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Specification Charts

Capacity

A400 SSD 1.92TB 1920 GB
WD Blue SN550 NVMe SSD 500GB 500 GB
Difference: 1420 (284%)

Random Read

A400 SSD 1.92TB N/A IOPS
WD Blue SN550 NVMe SSD 500GB 300000 IOPS
Difference: -300000 (-100%)

Random Write

A400 SSD 1.92TB N/A IOPS
WD Blue SN550 NVMe SSD 500GB 240000 IOPS
Difference: -240000 (-100%)

Sequential Read

WD Blue SN550 NVMe SSD 500GB 2400 MB/sec
A400 SSD 1.92TB 500 MB/sec
Difference: 1900 (380%)

Sequential Write

WD Blue SN550 NVMe SSD 500GB 1750 MB/sec
A400 SSD 1.92TB 450 MB/sec
Difference: 1300 (289%)

Endurance

A400 SSD 1.92TB 600 TB
WD Blue SN550 NVMe SSD 500GB 300 TB
Difference: 300 (100%)

Specifications

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Model A400 SSD 1.92TB WD Blue SN550 NVMe SSD 500GB
Manufacturer Kingston Western Digital
NAND 3bit TLC NAND SanDisk 96L TLC
Form Factor 2.5" SATA III M.2 (2280)
Capacity 1920 GB 500 GB
Cache N/A MB (N/A) MB
Sequential Read 500 MB/s 2400 MB/s
Sequential Write 450 MB/s 1750 MB/s
Random Read N/A IOPS 300000 IOPS
Random Write N/A IOPS 240000 IOPS
Interface SATA III NVMe 1.4
Controller Phison S11 WD Architecture
Date Released 2018 2019
Endurance 600 TB 300 TB
Notes 3-Year Limited Warranty 5-Year Warranty

Price Comparison

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A400 SSD 1.92TB

Amazon.com

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WD Blue SN550 NVMe SSD 500GB

Amazon.com

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