Product comparison · 2 internal solid state drives

Lenovo 4XB7B04138 internal solid state drive vs Lenovo 4XB7B04142 internal solid state drive

Key differences

SSD form factor
- 4XB7B04138 internal solid state drive:2.5"
- 4XB7B04142 internal solid state drive:3.5"

Differences highlightedShow differences only

Comparison of 4XB7B04138, 4XB7B04142
20 specifications	A Lenovo 4XB7B04138 internal solid state drive Model 4XB7B04138 View product	B Lenovo 4XB7B04142 internal solid state drive Model 4XB7B04142 View product
Features1 differ
SSD capacity	480 GB	480 GB
SSD form factorDiffers	2.5"	3.5"
Interface	Serial ATA III	Serial ATA III
NVMe	No	No
Component for	Server/workstation	Server/workstation
Hardware encryption	No	No
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speed	480 MB/s	480 MB/s
Write speed	320 MB/s	320 MB/s
Random read (4KB)	71000 IOPS	71000 IOPS
Random write (4KB)	15000 IOPS	15000 IOPS
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read	< 1 per 10^17 bits read
Mean time between failures (MTBF)	2000000 h	2000000 h
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Non-operating vibration	20 G	20 G
Non-operating shock	1500 G	1500 G
Maximum operating altitude	3050 m	3050 m

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.