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Samsung 860 PRO SSD 512GB vs SanDisk X400 256GB

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Specification Charts


860 PRO SSD 512GB 512 GB
X400 256GB 256 GB
Difference: 256 (100%)

Random Read

860 PRO SSD 512GB 100000 IOPS
X400 256GB 93500 IOPS
Difference: 6500 (7%)

Random Write

860 PRO SSD 512GB 90000 IOPS
X400 256GB 60000 IOPS
Difference: 30000 (50%)

Sequential Read

860 PRO SSD 512GB 560 MB/sec
X400 256GB 540 MB/sec
Difference: 20 (4%)

Sequential Write

860 PRO SSD 512GB 530 MB/sec
X400 256GB 520 MB/sec
Difference: 10 (2%)


860 PRO SSD 512GB 600 TB
X400 256GB 80 TB
Difference: 520 (650%)


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Model 860 PRO SSD 512GB X400 256GB
Manufacturer Samsung SanDisk
Form Factor 2.5" SATA III 2.5"
Capacity 512 GB 256 GB
Cache N/A MB (N/A) MB
Sequential Read 560 MB/s 540 MB/s
Sequential Write 530 MB/s 520 MB/s
Random Read 100000 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 600 TB 80 TB
Notes 5-Year Limited Warranty Warranty 5 years

Price Comparison

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860 PRO SSD 512GB

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