Compare any two Solid State Drives:


Samsung 870 Evo 4TB vs Kingston A400 SSD 240GB

Display Graphs

Hide Graphs

Specification Charts


A400 SSD 240GB 256 GB
870 Evo 4TB 4 GB
Difference: 252 (6300%)

Random Read

870 Evo 4TB 980000 IOPS
A400 SSD 240GB (N/A) IOPS
Difference: 980000 (-100%)

Random Write

870 Evo 4TB 88000 IOPS
A400 SSD 240GB (N/A) IOPS
Difference: 88000 (-100%)

Sequential Read

870 Evo 4TB 560 MB/sec
A400 SSD 240GB 500 MB/sec
Difference: 60 (12%)

Sequential Write

870 Evo 4TB 530 MB/sec
A400 SSD 240GB 350 MB/sec
Difference: 180 (51%)


870 Evo 4TB 2400 TB
A400 SSD 240GB 80 TB
Difference: 2320 (2900%)


Display Specifications

Hide Specifications

Model 870 Evo 4TB A400 SSD 240GB
Manufacturer Samsung Kingston
NAND Samsung 128L TLC 3bit TLC NAND
Form Factor 2.5" SATA III 2.5" SATA III
Capacity 4 GB 256 GB
Cache 4096 MB (N/A) MB
Sequential Read 560 MB/s 500 MB/s
Sequential Write 530 MB/s 350 MB/s
Random Read 980000 IOPS (N/A) IOPS
Random Write 88000 IOPS (N/A) IOPS
Controller Samsung MKX Metis Phison S11
Date Released 2021 2017
Endurance 2400 TB 80 TB
Notes 5-Year Warranty 3-Year Limited Warranty

Price Comparison

Display Prices

Hide Prices

870 Evo 4TB

Check prices at:

A400 SSD 240GB

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.