Product comparison · 2 internal solid state drives

Lenovo 4XB0K12331 internal solid state drive vs Lenovo 4XB0K12355 internal solid state drive

24specifications compared
12differ
12identical
3known for one product only

Key differences

The Lenovo 4XB0K12355 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 4XB0K12355 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). The Lenovo 4XB0K12355 internal solid state drive has 29,500 IOPS more random read (4KB) than the Lenovo 4XB0K12331 internal solid state drive (97000 IOPS vs 67500 IOPS). Operating relative humidity (H-H): 5 - 95% on the Lenovo 4XB0K12331 internal solid state drive, 8 - 85% on the Lenovo 4XB0K12355 internal solid state drive. Product colour: Silver on the Lenovo 4XB0K12331 internal solid state drive, Black on the Lenovo 4XB0K12355 internal solid state drive.

Read speed
- 4XB0K12331 internal solid state drive:450 MB/s
- 4XB0K12355 internal solid state drive:520 MB/s
Write speed
- 4XB0K12331 internal solid state drive:380 MB/s
- 4XB0K12355 internal solid state drive:480 MB/s
Random read (4KB)
- 4XB0K12331 internal solid state drive:67500 IOPS
- 4XB0K12355 internal solid state drive:97000 IOPS
Random write (4KB)
- 4XB0K12331 internal solid state drive:17000 IOPS
- 4XB0K12355 internal solid state drive:16000 IOPS
Read latency
- 4XB0K12331 internal solid state drive:40 µs
- 4XB0K12355 internal solid state drive:130 µs
Write latency
- 4XB0K12331 internal solid state drive:42 µs
- 4XB0K12355 internal solid state drive:30 µs
Power consumption (read)
- 4XB0K12331 internal solid state drive:3.5 W
- 4XB0K12355 internal solid state drive:3 W
Power consumption (write)
- 4XB0K12331 internal solid state drive:3.5 W
- 4XB0K12355 internal solid state drive:3 W

Side by side

Differences highlightedShow differences only

Comparison of 4XB0K12331, 4XB0K12355
27 specifications	A Lenovo 4XB0K12331 internal solid state drive Model 4XB0K12331 View product	B Lenovo 4XB0K12355 internal solid state drive Model 4XB0K12355 View product
Features6 differ
SSD capacity	480 GB	480 GB
SSD form factor	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Component for	Server/workstation	Server/workstation
Data transfer rate	6 Gbit/s	6 Gbit/s
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	16000 IOPS
Read latencyDiffers	40 µs	130 µs
Write latencyDiffers	42 µs	30 µs
Hot-swapKnown for one	Unknown — not stated by the source	No
Mean time between failures (MTBF)	2000000 h	2000000 h
Power2 differ
Power consumption (read)Differs	3.5 W	3 W
Power consumption (write)Differs	3.5 W	3 W
Weight & dimensions1 differ
Width	70 mm	70 mm
Depth	100 mm	100 mm
Height	7 mm	7 mm
WeightDiffers	66 g	60 g
Operational conditions2 differ
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Operating relative humidity (H-H)Differs	5 - 95%	8 - 85%
Operating vibration	2.17 G	2.17 G
Operating shockDiffers	1000 G	1500 G
Maximum operating altitude	3050 m	3050 m
Non-operating vibrationKnown for one	3.13 G	Unknown — not stated by the source
Other features1 differ
Product colourDiffers	Silver	Black
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717070

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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