Product comparison · 2 internal hard drives

HP 500GB SATA 3Gb/s vs HP 634919-001 internal hard drive

Key differences

Interface: Serial ATA II on the HP 500GB SATA 3Gb/s, Serial ATA on the HP 634919-001 internal hard drive.

Interface
- 500GB SATA 3Gb/s:Serial ATA II
- 634919-001 internal hard drive:Serial ATA

Differences highlightedShow differences only

Comparison of 500GB SATA 3Gb/s, 634919-001
10 specifications	A HP 500GB SATA 3Gb/s View product	B HP 634919-001 internal hard drive Model 634919-001 View product
Features1 differ
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
TypeKnown for one	HDD	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Other featuresidentical
Compatible productsKnown for one	Unknown — not stated by the source	EliteBook 8460p, EliteBook 8560p, EliteBook 8460w, ProBook 6440b, ProBook 6445b, ProBook 6455b, ProBook 6560b

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.