Product comparison · 2 internal hard drives

Dell 77GRH internal hard drive vs Dell GWD7D internal hard drive

7specifications compared
4differ
3identical
1known for one product only

Key differences

The Dell GWD7D internal hard drive has 1,800 RPM more HDD speed than the Dell 77GRH internal hard drive (7200 RPM vs 5400 RPM). The Dell GWD7D internal hard drive has 1" more HDD size than the Dell 77GRH internal hard drive (3.5" vs 2.5"). Interface: Serial ATA III on the Dell 77GRH internal hard drive, SAS on the Dell GWD7D internal hard drive. Operating voltage: 5 V on the Dell 77GRH internal hard drive, 5 / 12 V on the Dell GWD7D internal hard drive.

HDD speed
- 77GRH internal hard drive:5400 RPM
- GWD7D internal hard drive:7200 RPM
HDD size
- 77GRH internal hard drive:2.5"
- GWD7D internal hard drive:3.5"
Interface
- 77GRH internal hard drive:Serial ATA III
- GWD7D internal hard drive:SAS
Operating voltage
- 77GRH internal hard drive:5 V
- GWD7D internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 77GRH, GWD7D
8 specifications	A Dell 77GRH internal hard drive Model 77GRH View product	B Dell GWD7D internal hard drive Model GWD7D View product
Features3 differ
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA III	SAS
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	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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