Lenovo 49Y6134 internal solid state drive vs Lenovo 49Y6149 internal solid state drive

Comparison of 49Y6134, 49Y6149

17 specifications	A Lenovo 49Y6134 internal solid state drive Model 49Y6134 View product	B Lenovo 49Y6149 internal solid state drive Model 49Y6149 View product
Featuresidentical
SSD capacity	400 GB	400 GB
SSD form factor	2.5"	2.5"
Interface	SAS	SAS
Memory type	MLC	MLC
Security algorithms	256-bit AES	256-bit AES
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speed	500 MB/s	500 MB/s
Write speed	500 MB/s	500 MB/s
Random read (4KB)	100000 IOPS	100000 IOPS
Random write (4KB)	50000 IOPS	50000 IOPS
Lithography	24 nm	24 nm
S.M.A.R.T. support	Yes	Yes
Hot-swapKnown for one	Yes	—Unknown — not stated by the source
Weight & dimensionsidentical
Width	70 mm	70 mm
Depth	100 mm	100 mm
Weight	122 g	122 g
Other featuresidentical
Internal	Yes	Yes

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.