Product comparison · 2 internal hard drives

Dell 400-21684 internal hard drive vs Dell 400-23974 internal hard drive

10specifications compared
5differ
5identical
1known for one product only

Key differences

The Dell 400-21684 internal hard drive has 7,800 RPM more HDD speed than the Dell 400-23974 internal hard drive (15000 RPM vs 7200 RPM). The Dell 400-21684 internal hard drive has 1" more HDD size than the Dell 400-23974 internal hard drive (3.5" vs 2.5"). Only the Dell 400-23974 internal hard drive has hot-swap. HDD capacity: 450 GB on the Dell 400-21684 internal hard drive, 1 TB on the Dell 400-23974 internal hard drive. Operating voltage: 5 / 12 V on the Dell 400-21684 internal hard drive, 5 V on the Dell 400-23974 internal hard drive.

HDD capacity
- 400-21684 internal hard drive:450 GB
- 400-23974 internal hard drive:1 TB
HDD speed
- 400-21684 internal hard drive:15000 RPM
- 400-23974 internal hard drive:7200 RPM
HDD size
- 400-21684 internal hard drive:3.5"
- 400-23974 internal hard drive:2.5"
Hot-swap
- 400-21684 internal hard drive:No
- 400-23974 internal hard drive:Yes
Operating voltage
- 400-21684 internal hard drive:5 / 12 V
- 400-23974 internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 400-21684, 400-23974
11 specifications	A Dell 400-21684 internal hard drive Model 400-21684 View product	B Dell 400-23974 internal hard drive Model 400-23974 View product
Features4 differ
HDD capacityDiffers	450 GB	1 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Hot-swapDiffers	No	Yes
Power1 differ
Operating voltageDiffers	5 / 12 V	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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