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Samsung 850 Evo 250GB vs SanDisk X400 128GB

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Specification Charts

Capacity

850 Evo 250GB 250 GB
X400 128GB 128 GB
Difference: 122 (95%)

Random Read

850 Evo 250GB 97000 IOPS
X400 128GB 93500 IOPS
Difference: 3500 (4%)

Random Write

850 Evo 250GB 88000 IOPS
X400 128GB 60000 IOPS
Difference: 28000 (47%)

Sequential Read

850 Evo 250GB 540 MB/sec
X400 128GB 540 MB/sec
Difference: 0 (0%)

Sequential Write

850 Evo 250GB 520 MB/sec
X400 128GB 340 MB/sec
Difference: 180 (53%)

Endurance

850 Evo 250GB 75 TB
X400 128GB 72 TB
Difference: 3 (4%)

Price Comparison

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850 Evo 250GB

Amazon.com

X400 128GB

Amazon.com

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.

Specifications

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Model 850 Evo 250GB X400 128GB
Manufacturer Samsung SanDisk
NAND Samsung 128Gbit 40nm TLC V-NAND TLC NAND
Form Factor 2.5" 2.5"
Capacity 250 GB 128 GB
Cache 512 MB (N/A) MB
Sequential Read 540 MB/s 540 MB/s
Sequential Write 520 MB/s 340 MB/s
Random Read 97000 IOPS 93500 IOPS
Random Write 88000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Samsung MGX Marvell 88SS1074
Date Released 2014 2016
Endurance 75 TB 72 TB
Notes 5 Year warranty, Encryption: AES-256, TCG Opal 2.0, IEEE-1667 (eDrive) Warranty 5 years