Product comparison · 2 internal hard drives

HP 20GB, UATA, 5400 rpm vs HP WE464AA internal hard drive

5specifications compared
3differ
2identical
7known for one product only

Key differences

HDD capacity
- 20GB, UATA, 5400 rpm:20 GB
- WE464AA internal hard drive:2 TB
HDD speed
- 20GB, UATA, 5400 rpm:5400 RPM
- WE464AA internal hard drive:7200 RPM
Interface
- 20GB, UATA, 5400 rpm:Ultra-ATA/100
- WE464AA internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of 20GB, UATA, 5400 rpm, WE464AA
12 specifications	A HP 20GB, UATA, 5400 rpm View product	B HP WE464AA internal hard drive Model WE464AA View product
Features3 differ
HDD capacityDiffers	20 GB	2 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
TypeKnown for one	HDD	Unknown — not stated by the source
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Size (imperial)Known for one	Unknown — not stated by the source	2.54 cm (1")
Drive device heightKnown for one	Unknown — not stated by the source	2.54 cm
InternalKnown for one	Yes	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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