HP D6R66AV internal hard drive vs HP D6R68AV internal hard drive

Comparison of D6R66AV, D6R68AV

7 specifications	A HP D6R66AV internal hard drive Model D6R66AV View product	B HP D6R68AV internal hard drive Model D6R68AV View product
Featuresidentical
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Poweridentical
Operating voltage	5 V	5 V
Other features1 differ
Compatible productsDiffers	Z420 Workstation	Z620 Workstation

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.