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Samsung 860 PRO SSD 256GB vs Kingston A400 SSD 1.92TB

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Specification Charts


A400 SSD 1.92TB 1920 GB
860 PRO SSD 256GB 256 GB
Difference: 1664 (650%)

Random Read

860 PRO SSD 256GB 100000 IOPS
A400 SSD 1.92TB (N/A) IOPS
Difference: 100000 (-100%)

Random Write

860 PRO SSD 256GB 90000 IOPS
A400 SSD 1.92TB (N/A) IOPS
Difference: 90000 (-100%)

Sequential Read

860 PRO SSD 256GB 560 MB/sec
A400 SSD 1.92TB 500 MB/sec
Difference: 60 (12%)

Sequential Write

860 PRO SSD 256GB 530 MB/sec
A400 SSD 1.92TB 450 MB/sec
Difference: 80 (18%)


A400 SSD 1.92TB 600 TB
860 PRO SSD 256GB 300 TB
Difference: 300 (100%)


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Model 860 PRO SSD 256GB A400 SSD 1.92TB
Manufacturer Samsung Kingston
NAND Samsung V-NAND 2-bit MLC 3bit TLC NAND
Form Factor 2.5" SATA III 2.5" SATA III
Capacity 256 GB 1920 GB
Cache N/A MB (N/A) MB
Sequential Read 560 MB/s 500 MB/s
Sequential Write 530 MB/s 450 MB/s
Random Read 100000 IOPS (N/A) IOPS
Random Write 90000 IOPS (N/A) IOPS
Interface SATA III 6Gb/s SATA III
Controller Samsung MJX Controller Phison S11
Date Released 2019 2018
Endurance 300 TB 600 TB
Notes 5-Year Limited Warranty 3-Year Limited Warranty

Price Comparison

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860 PRO SSD 256GB

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A400 SSD 1.92TB

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