Compare any two Solid State Drives:


ADATA Ultimate SU720 1TB vs SanDisk X400 512GB

Display Graphs

Hide Graphs

Specification Charts


Ultimate SU720 1TB 1024 GB
X400 512GB 512 GB
Difference: 512 (100%)

Random Read

X400 512GB 93500 IOPS
Ultimate SU720 1TB 50000 IOPS
Difference: 43500 (87%)

Random Write

X400 512GB 75000 IOPS
Ultimate SU720 1TB 65000 IOPS
Difference: 10000 (15%)

Sequential Read

X400 512GB 540 MB/sec
Ultimate SU720 1TB 520 MB/sec
Difference: 20 (4%)

Sequential Write

X400 512GB 520 MB/sec
Ultimate SU720 1TB 450 MB/sec
Difference: 70 (16%)


Ultimate SU720 1TB 200 TB
X400 512GB 160 TB
Difference: 40 (25%)


Display Specifications

Hide Specifications

Model Ultimate SU720 1TB X400 512GB
Manufacturer ADATA SanDisk
Form Factor 2.5" SATA III 2.5"
Capacity 1024 GB 512 GB
Cache N/A MB (N/A) MB
Sequential Read 520 MB/s 540 MB/s
Sequential Write 450 MB/s 520 MB/s
Random Read 50000 IOPS 93500 IOPS
Random Write 65000 IOPS 75000 IOPS
Interface SATA III SATA III 6Gb/s
Controller Unknown Marvell 88SS1074
Date Released 2020 2016
Endurance 200 TB 160 TB
Notes 3-Year Warranty Warranty 5 years

Price Comparison

Display Prices

Hide Prices

Ultimate SU720 1TB

Check prices at:

X400 512GB

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.