Product comparison · 2 internal hard drives

Dell J3438 internal hard drive vs HP 640GB SATA 7200rpm 2.5"

4specifications compared
4differ
0identical
5known for one product only

Key differences

The HP 640GB SATA 7200rpm 2.5" has 604 GB more HDD capacity than the Dell J3438 internal hard drive (640 GB vs 36 GB). The Dell J3438 internal hard drive has 2,800 RPM more HDD speed than the HP 640GB SATA 7200rpm 2.5" (10000 RPM vs 7200 RPM). The Dell J3438 internal hard drive has 1" more HDD size than the HP 640GB SATA 7200rpm 2.5" (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Dell J3438 internal hard drive, Serial ATA on the HP 640GB SATA 7200rpm 2.5".

HDD capacity
- J3438 internal hard drive:36 GB
- 640GB SATA 7200rpm 2.5":640 GB
HDD speed
- J3438 internal hard drive:10000 RPM
- 640GB SATA 7200rpm 2.5":7200 RPM
HDD size
- J3438 internal hard drive:3.5"
- 640GB SATA 7200rpm 2.5":2.5"
Interface
- J3438 internal hard drive:Ultra320 SCSI
- 640GB SATA 7200rpm 2.5":Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of J3438, 640GB SATA 7200rpm 2.5"
9 specifications	A Dell J3438 internal hard drive Model J3438 View product	B HP 640GB SATA 7200rpm 2.5"View product
Features4 differ
HDD capacityDiffers	36 GB	640 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	Yes

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.

More internal hard drive comparisons

All internal hard drive comparisons