Product comparison · 2 internal hard drives

HP 250GB SATA 5400rpm 2.5" vs HP 640GB SATA

3specifications compared
3differ
0identical
7known for one product only

Key differences

The HP 640GB SATA has 390 GB more HDD capacity than the HP 250GB SATA 5400rpm 2.5" (640 GB vs 250 GB). The HP 640GB SATA has 1,800 RPM more HDD speed than the HP 250GB SATA 5400rpm 2.5" (7200 RPM vs 5400 RPM). Interface: Serial ATA on the HP 250GB SATA 5400rpm 2.5", Serial ATA II on the HP 640GB SATA.

HDD capacity
- 250GB SATA 5400rpm 2.5":250 GB
- 640GB SATA:640 GB
HDD speed
- 250GB SATA 5400rpm 2.5":5400 RPM
- 640GB SATA:7200 RPM
Interface
- 250GB SATA 5400rpm 2.5":Serial ATA
- 640GB SATA:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 250GB SATA 5400rpm 2.5", 640GB SATA
10 specifications	A HP 250GB SATA 5400rpm 2.5"View product	B HP 640GB SATA View product
Features3 differ
HDD capacityDiffers	250 GB	640 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown 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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