Lenovo 00NC643 internal hard drive vs Lenovo 00NC656 internal hard drive

Comparison of 00NC643, 00NC656

8 specifications	A Lenovo 00NC643 internal hard drive Model 00NC643 View product	B Lenovo 00NC656 internal hard drive Model 00NC656 View product
Features1 differ
HDD capacityDiffers	146 GB	200 GB
HDD speedKnown for one	15000 RPM	—Unknown — not stated by the source
HDD size	2.5"	2.5"
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
HDD interface transfer rateKnown for one	—Unknown — not stated by the source	12 Gbit/s
Poweridentical
Operating voltage	5 V	5 V

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.