Product comparison · 2 internal hard drives

HP 651909-B21 internal hard drive vs HP 72GB 10K Ultra320 SCSI

5specifications compared
4differ
1identical
5known for one product only

Key differences

HDD capacity
- 651909-B21 internal hard drive:300 GB
- 72GB 10K Ultra320 SCSI:72 GB
HDD size
- 651909-B21 internal hard drive:2.5"
- 72GB 10K Ultra320 SCSI:3.5"
Interface
- 651909-B21 internal hard drive:SAS
- 72GB 10K Ultra320 SCSI:Ultra320 SCSI
Operating voltage
- 651909-B21 internal hard drive:5 V
- 72GB 10K Ultra320 SCSI:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 651909-B21, 72GB 10K Ultra320 SCSI
10 specifications	A HP 651909-B21 internal hard drive Model 651909-B21 View product	B HP 72GB 10K Ultra320 SCSI View product
Features3 differ
HDD capacityDiffers	300 GB	72 GB
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Ultra320 SCSI
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	1.56 kg
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