Compare any two Solid State Drives:


Crucial BX100 250GB vs SanDisk X400 128GB

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Specification Charts


BX100 250GB 250 GB
X400 128GB 128 GB
Difference: 122 (95%)

Random Read

X400 128GB 93500 IOPS
BX100 250GB 87000 IOPS
Difference: 6500 (7%)

Random Write

BX100 250GB 70000 IOPS
X400 128GB 60000 IOPS
Difference: 10000 (17%)

Sequential Read

X400 128GB 540 MB/sec
BX100 250GB 535 MB/sec
Difference: 5 (1%)

Sequential Write

BX100 250GB 370 MB/sec
X400 128GB 340 MB/sec
Difference: 30 (9%)


BX100 250GB 72 TB
X400 128GB 72 TB
Difference: 0 (0%)

Price Comparison

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BX100 250GB

X400 128GB

Please note that the price comparisons are based on search keywords - sometimes it might show ssds 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.


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Model BX100 250GB X400 128GB
Manufacturer Crucial SanDisk
NAND Micron 16nm 128Gbit MLC TLC NAND
Form Factor 2.5" 2.5"
Capacity 250 GB 128 GB
Cache 256 MB (N/A) MB
Sequential Read 535 MB/s 540 MB/s
Sequential Write 370 MB/s 340 MB/s
Random Read 87000 IOPS 93500 IOPS
Random Write 70000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Silicon Motion SM2246EN Marvell 88SS1074
Date Released 2015 2016
Endurance 72 TB 72 TB
Notes 3 Year warranty Warranty 5 years