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SanDisk Ultra II 240GB vs X400 512GB

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Specification Charts


X400 512GB 512 GB
Ultra II 240GB 240 GB
Difference: 272 (113%)

Random Read

X400 512GB 93500 IOPS
Ultra II 240GB 91000 IOPS
Difference: 2500 (3%)

Random Write

Ultra II 240GB 83000 IOPS
X400 512GB 75000 IOPS
Difference: 8000 (11%)

Sequential Read

Ultra II 240GB 550 MB/sec
X400 512GB 540 MB/sec
Difference: 10 (2%)

Sequential Write

X400 512GB 520 MB/sec
Ultra II 240GB 500 MB/sec
Difference: 20 (4%)


X400 512GB 160 TB
Ultra II 240GB 109 TB
Difference: 51 (47%)


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Model Ultra II 240GB X400 512GB
Manufacturer SanDisk SanDisk
NAND SanDisk 2nd Gen 128Gbit 19nm TLC TLC NAND
Form Factor 2.5" 2.5"
Capacity 240 GB 512 GB
Cache 10240 MB (N/A) MB
Sequential Read 550 MB/s 540 MB/s
Sequential Write 500 MB/s 520 MB/s
Random Read 91000 IOPS 93500 IOPS
Random Write 83000 IOPS 75000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Marvell 88SS9190 Marvell 88SS1074
Date Released 2014 2016
Endurance 109 TB 160 TB
Notes 3 Year Warranty Warranty 5 years

Price Comparison

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Ultra II 240GB

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