Product comparison · 2 internal hard drives

Dell 400-20556 internal hard drive vs Lenovo 500GB 3.5" SATA II SS

6specifications compared
4differ
2identical
2known for one product only

Key differences

The Lenovo 500GB 3.5" SATA II SS has 340 GB more HDD capacity than the Dell 400-20556 internal hard drive (500 GB vs 160 GB). The Lenovo 500GB 3.5" SATA II SS has 1" more HDD size than the Dell 400-20556 internal hard drive (3.5" vs 2.5"). Interface: Serial ATA on the Dell 400-20556 internal hard drive, Serial ATA II on the Lenovo 500GB 3.5" SATA II SS. Operating voltage: 5 V on the Dell 400-20556 internal hard drive, 5 / 12 V on the Lenovo 500GB 3.5" SATA II SS.

HDD capacity
- 400-20556 internal hard drive:160 GB
- 500GB 3.5" SATA II SS:500 GB
HDD size
- 400-20556 internal hard drive:2.5"
- 500GB 3.5" SATA II SS:3.5"
Interface
- 400-20556 internal hard drive:Serial ATA
- 500GB 3.5" SATA II SS:Serial ATA II
Operating voltage
- 400-20556 internal hard drive:5 V
- 500GB 3.5" SATA II SS:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 400-20556, 500GB 3.5" SATA II SS
8 specifications	A Dell 400-20556 internal hard drive Model 400-20556 View product	B Lenovo 500GB 3.5" SATA II SS View product
Features3 differ
HDD capacityDiffers	160 GB	500 GB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Type	HDD	HDD
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Power1 differ
Operating voltageDiffers	5 V	5 / 12 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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