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Samsung 850 Evo 250GB vs Kingston A400 SSD 120GB

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Specification Charts


850 Evo 250GB 250 GB
A400 SSD 120GB 128 GB
Difference: 122 (95%)

Random Read

850 Evo 250GB 97000 IOPS
A400 SSD 120GB (N/A) IOPS
Difference: 97000 (-100%)

Random Write

850 Evo 250GB 88000 IOPS
A400 SSD 120GB (N/A) IOPS
Difference: 88000 (-100%)

Sequential Read

850 Evo 250GB 540 MB/sec
A400 SSD 120GB 500 MB/sec
Difference: 40 (8%)

Sequential Write

850 Evo 250GB 520 MB/sec
A400 SSD 120GB 320 MB/sec
Difference: 200 (63%)


850 Evo 250GB 75 TB
A400 SSD 120GB 40 TB
Difference: 35 (88%)


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Model 850 Evo 250GB A400 SSD 120GB
Manufacturer Samsung Kingston
NAND Samsung 128Gbit 40nm TLC V-NAND 3bit TLC NAND
Form Factor 2.5" 2.5" SATA III
Capacity 250 GB 128 GB
Cache 512 MB (N/A) MB
Sequential Read 540 MB/s 500 MB/s
Sequential Write 520 MB/s 320 MB/s
Random Read 97000 IOPS (N/A) IOPS
Random Write 88000 IOPS (N/A) IOPS
Interface SATA III 6Gb/s SATA III
Controller Samsung MGX Phison S11
Date Released 2014 2017
Endurance 75 TB 40 TB
Notes 5 Year warranty, Encryption: AES-256, TCG Opal 2.0, IEEE-1667 (eDrive) 3-Year Limited Warranty

Price Comparison

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850 Evo 250GB

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A400 SSD 120GB

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