Product comparison · 2 internal hard drives

Acer 146GB 2.5" 6G SAS 15K vs HP 651909-B21 internal hard drive

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

Key differences

The HP 651909-B21 internal hard drive has 154 GB more HDD capacity than the Acer 146GB 2.5" 6G SAS 15K (300 GB vs 146 GB). The Acer 146GB 2.5" 6G SAS 15K has 5,000 RPM more HDD speed than the HP 651909-B21 internal hard drive (15000 RPM vs 10000 RPM).

HDD capacity
- 146GB 2.5" 6G SAS 15K:146 GB
- 651909-B21 internal hard drive:300 GB
HDD speed
- 146GB 2.5" 6G SAS 15K:15000 RPM
- 651909-B21 internal hard drive:10000 RPM

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" 6G SAS 15K, 651909-B21
13 specifications	A Acer 146GB 2.5" 6G SAS 15K View product	B HP 651909-B21 internal hard drive Model 651909-B21 View product
Features2 differ
HDD capacityDiffers	146 GB	300 GB
HDD speedDiffers	15000 RPM	10000 RPM
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
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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