Product comparison · 2 internal hard drives

HP 300GB 10000rpm Hot Swappable vs HP QK554AT internal hard drive

Key differences

HDD capacity
- 300GB 10000rpm Hot Swappable:300 GB
- QK554AT internal hard drive:500 GB
HDD speed
- 300GB 10000rpm Hot Swappable:10000 RPM
- QK554AT internal hard drive:7200 RPM

Differences highlightedShow differences only

Comparison of 300GB 10000rpm Hot Swappable, QK554AT
19 specifications	A HP 300GB 10000rpm Hot Swappable View product	B HP QK554AT internal hard drive Model QK554AT View product
Features2 differ
HDD capacityDiffers	300 GB	500 GB
HDD speedDiffers	10000 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
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	25.4 mm
HeightKnown for one	Unknown — not stated by the source	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
Internal	Yes	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
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.