Product comparison · 2 internal hard drives

Dell KHKR8 internal hard drive vs Dell P7J74 internal hard drive

6specifications compared
4differ
2identical
2known for one product only

Key differences

The Dell KHKR8 internal hard drive has 1,800 RPM more HDD speed than the Dell P7J74 internal hard drive (7200 RPM vs 5400 RPM). The Dell KHKR8 internal hard drive has 1" more HDD size than the Dell P7J74 internal hard drive (3.5" vs 2.5"). HDD capacity: 3 TB on the Dell KHKR8 internal hard drive, 640 GB on the Dell P7J74 internal hard drive. Interface: SAS on the Dell KHKR8 internal hard drive, Serial ATA II on the Dell P7J74 internal hard drive.

HDD capacity
- KHKR8 internal hard drive:3 TB
- P7J74 internal hard drive:640 GB
HDD speed
- KHKR8 internal hard drive:7200 RPM
- P7J74 internal hard drive:5400 RPM
HDD size
- KHKR8 internal hard drive:3.5"
- P7J74 internal hard drive:2.5"
Interface
- KHKR8 internal hard drive:SAS
- P7J74 internal hard drive:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of KHKR8, P7J74
8 specifications	A Dell KHKR8 internal hard drive Model KHKR8 View product	B Dell P7J74 internal hard drive Model P7J74 View product
Features4 differ
HDD capacityDiffers	3 TB	640 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA II
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Poweridentical
Operating voltageKnown for one	5 / 12 V	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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