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Samsung 860 EVO SSD 256GB vs SanDisk X400 128GB

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Specification Charts


860 EVO SSD 256GB 256 GB
X400 128GB 128 GB
Difference: 128 (100%)

Random Read

860 EVO SSD 256GB 98000 IOPS
X400 128GB 93500 IOPS
Difference: 4500 (5%)

Random Write

860 EVO SSD 256GB 90000 IOPS
X400 128GB 60000 IOPS
Difference: 30000 (50%)

Sequential Read

860 EVO SSD 256GB 550 MB/sec
X400 128GB 540 MB/sec
Difference: 10 (2%)

Sequential Write

860 EVO SSD 256GB 520 MB/sec
X400 128GB 340 MB/sec
Difference: 180 (53%)


860 EVO SSD 256GB 150 TB
X400 128GB 72 TB
Difference: 78 (108%)


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Model 860 EVO SSD 256GB X400 128GB
Manufacturer Samsung SanDisk
Form Factor 2.5" SATA III 2.5"
Capacity 256 GB 128 GB
Cache 512 MB (N/A) MB
Sequential Read 550 MB/s 540 MB/s
Sequential Write 520 MB/s 340 MB/s
Random Read 98000 IOPS 93500 IOPS
Random Write 90000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Samsung MJX Controller Marvell 88SS1074
Date Released 2019 2016
Endurance 150 TB 72 TB
Notes 5-Year Limited Warranty Warranty 5 years

Price Comparison

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860 EVO SSD 256GB

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X400 128GB

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