Product comparison · 2 internal hard drives

Dell 400-20556 internal hard drive vs Lenovo 90Y8944 internal hard drive

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

Key differences

The Dell 400-20556 internal hard drive has 14 GB more HDD capacity than the Lenovo 90Y8944 internal hard drive (160 GB vs 146 GB). The Lenovo 90Y8944 internal hard drive has 7,800 RPM more HDD speed than the Dell 400-20556 internal hard drive (15000 RPM vs 7200 RPM). Interface: Serial ATA on the Dell 400-20556 internal hard drive, SAS on the Lenovo 90Y8944 internal hard drive.

HDD capacity
- 400-20556 internal hard drive:160 GB
- 90Y8944 internal hard drive:146 GB
HDD speed
- 400-20556 internal hard drive:7200 RPM
- 90Y8944 internal hard drive:15000 RPM
Interface
- 400-20556 internal hard drive:Serial ATA
- 90Y8944 internal hard drive:SAS

Side by side

Differences highlightedShow differences only

Comparison of 400-20556, 90Y8944
8 specifications	A Dell 400-20556 internal hard drive Model 400-20556 View product	B Lenovo 90Y8944 internal hard drive Model 90Y8944 View product
Features3 differ
HDD capacityDiffers	160 GB	146 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Poweridentical
Operating voltage	5 V	5 V
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)

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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