Product comparison · 2 internal hard drives

HP 603783-001 internal hard drive vs HP QK554AT internal hard drive

Key differences

HDD capacity
- 603783-001 internal hard drive:320 GB
- QK554AT internal hard drive:500 GB
Height
- 603783-001 internal hard drive:9.5 mm
- QK554AT internal hard drive:25.4 mm

Differences highlightedShow differences only

Comparison of 603783-001, QK554AT
20 specifications	A HP 603783-001 internal hard drive Model 603783-001 View product	B HP QK554AT internal hard drive Model QK554AT View product
Features1 differ
HDD capacityDiffers	320 GB	500 GB
HDD speed	7200 RPM	7200 RPM
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	25.4 mm
HeightDiffers	9.5 mm	25.4 mm
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Metallic
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Number of pinsKnown for one	Unknown — not stated by the source	7
CertificationKnown for one	Unknown — not stated by the source	RoHS
Drive device heightKnown for one	Unknown — not stated by the source	2.54 cm
Storage drive controllerKnown for one	Unknown — not stated by the source	SATA
Compatible productsKnown for one	6535b, EliteBook 8530w, EliteBook 8730w	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source

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.