Product comparison · 2 internal hard drives

HP 320GB SATAII 7200rpm vs HP 500GB 7200rpm SATA (NCQ/Smart IV) 6.0 Gbp/s Hard Drive

4specifications compared
3differ
1identical
17known for one product only

Key differences

HDD capacity
- 320GB SATAII 7200rpm:320 GB
- 500GB 7200rpm SATA (NCQ/Smart IV) 6.0 Gbp/s Hard Drive:500 GB
Interface
- 320GB SATAII 7200rpm:Serial ATA II
- 500GB 7200rpm SATA (NCQ/Smart IV) 6.0 Gbp/s Hard Drive:Serial ATA
Data transfer rate
- 320GB SATAII 7200rpm:3 Gbit/s
- 500GB 7200rpm SATA (NCQ/Smart IV) 6.0 Gbp/s Hard Drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 320GB SATAII 7200rpm, QK554AA
21 specifications	A HP 320GB SATAII 7200rpm View product	B HP 500GB 7200rpm SATA (NCQ/Smart IV) 6.0 Gbp/s Hard Drive Model QK554AA View product
Features2 differ
HDD capacityDiffers	320 GB	500 GB
InterfaceDiffers	Serial ATA II	Serial ATA
Component forKnown for one	Unknown — not stated by the source	PC
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
HP segmentKnown for one	Unknown — not stated by the source	Business
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	89 mm
HeightKnown for one	Unknown — not stated by the source	25.4 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050
Master (outer) cases per pallet layerKnown for one	Unknown — not stated by the source	20 pc(s)
Layers per palletKnown for one	Unknown — not stated by the source	8 pc(s)
Products per palletKnown for one	Unknown — not stated by the source	480 pc(s)
Products per master (outer) caseKnown for one	Unknown — not stated by the source	3 pc(s)
Other features1 differ
Data transfer rateDiffers	3 Gbit/s	6 Gbit/s
Compatible productsKnown for one	Unknown — not stated by the source	- HP Compaq 6200 Pro Microtower PC - HP Compaq 6200 Pro Small Form Factor PC - HP Compaq 8200 Elite All-in-One PC - HP Compaq 8200 Elite Convertible Minitower PC - HP Compaq 8200 Elite Small Form Factor PC - HP Compaq 8200 Elite Ultra-slim PC - HP Pro 3420 All-in-One PC - HP TouchSmart 9100 Business
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
InternalKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 / 12 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.

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