Product comparison · 2 internal hard drives

Dell P7J74 internal hard drive vs Dell R285M internal hard drive

6specifications compared
3differ
3identical
2known for one product only

Key differences

The Dell P7J74 internal hard drive has 494 GB more HDD capacity than the Dell R285M internal hard drive (640 GB vs 146 GB). The Dell R285M internal hard drive has 4,600 RPM more HDD speed than the Dell P7J74 internal hard drive (10000 RPM vs 5400 RPM). Interface: Serial ATA II on the Dell P7J74 internal hard drive, SAS on the Dell R285M internal hard drive.

HDD capacity
- P7J74 internal hard drive:640 GB
- R285M internal hard drive:146 GB
HDD speed
- P7J74 internal hard drive:5400 RPM
- R285M internal hard drive:10000 RPM
Interface
- P7J74 internal hard drive:Serial ATA II
- R285M internal hard drive:SAS

Side by side

Differences highlightedShow differences only

Comparison of P7J74, R285M
8 specifications	A Dell P7J74 internal hard drive Model P7J74 View product	B Dell R285M internal hard drive Model R285M View product
Features3 differ
HDD capacityDiffers	640 GB	146 GB
HDD speedDiffers	5400 RPM	10000 RPM
InterfaceDiffers	Serial ATA II	SAS
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server/workstation

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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