Compare any two Solid State Drives:

VS

Western Digital WD Blue 3D NAND SATA SSD 500GB vs SanDisk X400 256GB

Display Graphs

Hide Graphs

Specification Charts

Capacity

WD Blue 3D NAND SATA SSD 500GB 512 GB
X400 256GB 256 GB
Difference: 256 (100%)

Random Read

WD Blue 3D NAND SATA SSD 500GB 95000 IOPS
X400 256GB 93500 IOPS
Difference: 1500 (2%)

Random Write

WD Blue 3D NAND SATA SSD 500GB 84000 IOPS
X400 256GB 60000 IOPS
Difference: 24000 (40%)

Sequential Read

WD Blue 3D NAND SATA SSD 500GB 560 MB/sec
X400 256GB 540 MB/sec
Difference: 20 (4%)

Sequential Write

WD Blue 3D NAND SATA SSD 500GB 530 MB/sec
X400 256GB 520 MB/sec
Difference: 10 (2%)

Endurance

WD Blue 3D NAND SATA SSD 500GB 200 TB
X400 256GB 80 TB
Difference: 120 (150%)

Specifications

Display Specifications

Hide Specifications

Model WD Blue 3D NAND SATA SSD 500GB X400 256GB
Manufacturer Western Digital SanDisk
NAND SanDisk 64-layer 3D TLC TLC NAND
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 95000 IOPS 93500 IOPS
Random Write 84000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Marvell 88SS1074 Marvell 88SS1074
Date Released 2018 2016
Endurance 200 TB 80 TB
Notes 3-Year Warranty Warranty 5 years

Price Comparison

Display Prices

Hide Prices

WD Blue 3D NAND SATA SSD 500GB

Amazon.com

Check prices at:

X400 256GB

Amazon.com

Check prices at:

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