Product comparison · 2 internal hard drives

Acer 300GB 6G SAS 15K 3.5" vs HP 651909-B21 internal hard drive

5specifications compared
3differ
2identical
8known for one product only

Key differences

HDD speed
- 300GB 6G SAS 15K 3.5":15000 RPM
- 651909-B21 internal hard drive:10000 RPM
HDD size
- 300GB 6G SAS 15K 3.5":3.5"
- 651909-B21 internal hard drive:2.5"
Operating voltage
- 300GB 6G SAS 15K 3.5":5 / 12 V
- 651909-B21 internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 300GB 6G SAS 15K 3.5", 651909-B21
13 specifications	A Acer 300GB 6G SAS 15K 3.5"View product	B HP 651909-B21 internal hard drive Model 651909-B21 View product
Features2 differ
HDD capacity	300 GB	300 GB
HDD speedDiffers	15000 RPM	10000 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	SAS	SAS
Hot-swapKnown for one	Yes	Unknown — not stated by the source
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other featuresidentical
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
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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