Product comparison · 2 internal hard drives

Dell 391KC internal hard drive vs Dell GM251 internal hard drive

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

Key differences

The Dell GM251 internal hard drive has 7,800 RPM more HDD speed than the Dell 391KC internal hard drive (15000 RPM vs 7200 RPM). HDD capacity: 8 TB on the Dell 391KC internal hard drive, 300 GB on the Dell GM251 internal hard drive. Interface: NL-SAS on the Dell 391KC internal hard drive, SAS on the Dell GM251 internal hard drive.

HDD capacity
- 391KC internal hard drive:8 TB
- GM251 internal hard drive:300 GB
HDD speed
- 391KC internal hard drive:7200 RPM
- GM251 internal hard drive:15000 RPM
Interface
- 391KC internal hard drive:NL-SAS
- GM251 internal hard drive:SAS

Side by side

Differences highlightedShow differences only

Comparison of 391KC, GM251
9 specifications	A Dell 391KC internal hard drive Model 391KC View product	B Dell GM251 internal hard drive Model GM251 View product
Features3 differ
HDD capacityDiffers	8 TB	300 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	NL-SAS	SAS
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/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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