Product comparison · 2 internal solid state drives

Lenovo 4XB0K12331 internal solid state drive vs Lenovo 4XB0K12356 internal solid state drive

22specifications compared
13differ
9identical
4known for one product only

Key differences

The Lenovo 4XB0K12356 internal solid state drive has 480 GB more SSD capacity than the Lenovo 4XB0K12331 internal solid state drive (960 GB vs 480 GB). The Lenovo 4XB0K12356 internal solid state drive has 70 MB/s more read speed than the Lenovo 4XB0K12331 internal solid state drive (520 MB/s vs 450 MB/s). The Lenovo 4XB0K12356 internal solid state drive has 100 MB/s more write speed than the Lenovo 4XB0K12331 internal solid state drive (480 MB/s vs 380 MB/s). Operating relative humidity (H-H): 5 - 95% on the Lenovo 4XB0K12331 internal solid state drive, 8 - 85% on the Lenovo 4XB0K12356 internal solid state drive. Product colour: Silver on the Lenovo 4XB0K12331 internal solid state drive, Black on the Lenovo 4XB0K12356 internal solid state drive.

SSD capacity
- 4XB0K12331 internal solid state drive:480 GB
- 4XB0K12356 internal solid state drive:960 GB
Read speed
- 4XB0K12331 internal solid state drive:450 MB/s
- 4XB0K12356 internal solid state drive:520 MB/s
Write speed
- 4XB0K12331 internal solid state drive:380 MB/s
- 4XB0K12356 internal solid state drive:480 MB/s
Random read (4KB)
- 4XB0K12331 internal solid state drive:67500 IOPS
- 4XB0K12356 internal solid state drive:97000 IOPS
Random write (4KB)
- 4XB0K12331 internal solid state drive:17000 IOPS
- 4XB0K12356 internal solid state drive:24000 IOPS
Read latency
- 4XB0K12331 internal solid state drive:40 µs
- 4XB0K12356 internal solid state drive:130 µs
Write latency
- 4XB0K12331 internal solid state drive:42 µs
- 4XB0K12356 internal solid state drive:30 µs
Power consumption (read)
- 4XB0K12331 internal solid state drive:3.5 W
- 4XB0K12356 internal solid state drive:3 W

Side by side

Differences highlightedShow differences only

Comparison of 4XB0K12331, 4XB0K12356
26 specifications	A Lenovo 4XB0K12331 internal solid state drive Model 4XB0K12331 View product	B Lenovo 4XB0K12356 internal solid state drive Model 4XB0K12356 View product
Features7 differ
SSD capacityDiffers	480 GB	960 GB
Read speedDiffers	450 MB/s	520 MB/s
Write speedDiffers	380 MB/s	480 MB/s
Random read (4KB)Differs	67500 IOPS	97000 IOPS
Random write (4KB)Differs	17000 IOPS	24000 IOPS
Read latencyDiffers	40 µs	130 µs
Write latencyDiffers	42 µs	30 µs
Hot-swapKnown for one	Unknown — not stated by the source	No
Power2 differ
Power consumption (read)Differs	3.5 W	3 W
Power consumption (write)Differs	3.5 W	3 W
Weight & dimensions1 differ
DepthKnown for one	100 mm	Unknown — not stated by the source
WeightDiffers	66 g	60 g
Operational conditions2 differ
Operating relative humidity (H-H)Differs	5 - 95%	8 - 85%
Operating vibrationKnown for one	2.17 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3.13 G	Unknown — not stated by the source
Operating shockDiffers	1000 G	1500 G
Other features1 differ
Product colourDiffers	Silver	Black

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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