Product comparison · 2 internal solid state drives

Lenovo 4XB7B04142 internal solid state drive vs Lenovo 4XB7B04144 internal solid state drive

Key differences

SSD capacity
- 4XB7B04142 internal solid state drive:480 GB
- 4XB7B04144 internal solid state drive:1.92 TB
Write speed
- 4XB7B04142 internal solid state drive:320 MB/s
- 4XB7B04144 internal solid state drive:460 MB/s
Random read (4KB)
- 4XB7B04142 internal solid state drive:71000 IOPS
- 4XB7B04144 internal solid state drive:82000 IOPS
Random write (4KB)
- 4XB7B04142 internal solid state drive:15000 IOPS
- 4XB7B04144 internal solid state drive:28000 IOPS

Differences highlightedShow differences only

Comparison of 4XB7B04142, 4XB7B04144
20 specifications	A Lenovo 4XB7B04142 internal solid state drive Model 4XB7B04142 View product	B Lenovo 4XB7B04144 internal solid state drive Model 4XB7B04144 View product
Features4 differ
SSD capacityDiffers	480 GB	1.92 TB
SSD form factor	3.5"	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 speedDiffers	320 MB/s	460 MB/s
Random read (4KB)Differs	71000 IOPS	82000 IOPS
Random write (4KB)Differs	15000 IOPS	28000 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.