Dell DV9NR internal hard drive vs Dell DV9NR-RFB internal hard drive

Comparison of DV9NR, DV9NR-RFB

9 specifications	A Dell DV9NR internal hard drive Model DV9NR View product	B Dell DV9NR-RFB internal hard drive Model DV9NR-RFB View product
Featuresidentical
HDD capacity	600 GB	600 GB
HDD speed	15000 RPM	15000 RPM
HDD size	3.5"	3.5"
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
HDD interface transfer rateKnown for one	6 Gbit/s	—Unknown — not stated by the source
RefurbishedKnown for one	—Unknown — not stated by the source	Yes
Poweridentical
Operating voltage	5 / 12 V	5 / 12 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.