Product comparison · 2 internal hard drives

Dell 70TGD internal hard drive vs Dell 77GRH internal hard drive

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

Key differences

The Dell 70TGD internal hard drive has 2 TB more HDD capacity than the Dell 77GRH internal hard drive (3 TB vs 1 TB). The Dell 70TGD internal hard drive has 1,800 RPM more HDD speed than the Dell 77GRH internal hard drive (7200 RPM vs 5400 RPM). The Dell 70TGD internal hard drive has 1" more HDD size than the Dell 77GRH internal hard drive (3.5" vs 2.5"). Interface: SAS on the Dell 70TGD internal hard drive, Serial ATA III on the Dell 77GRH internal hard drive.

HDD capacity
- 70TGD internal hard drive:3 TB
- 77GRH internal hard drive:1 TB
HDD speed
- 70TGD internal hard drive:7200 RPM
- 77GRH internal hard drive:5400 RPM
HDD size
- 70TGD internal hard drive:3.5"
- 77GRH internal hard drive:2.5"
Interface
- 70TGD internal hard drive:SAS
- 77GRH internal hard drive:Serial ATA III

Side by side

Differences highlightedShow differences only

Comparison of 70TGD, 77GRH
8 specifications	A Dell 70TGD internal hard drive Model 70TGD View product	B Dell 77GRH internal hard drive Model 77GRH View product
Features4 differ
HDD capacityDiffers	3 TB	1 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V

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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