Product comparison · 2 internal hard drives

Dell 400-20556 internal hard drive vs Lenovo 4TB 7.2K 6Gb/s SAS 3.5"

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

Key differences

The Lenovo 4TB 7.2K 6Gb/s SAS 3.5" has 1" more HDD size than the Dell 400-20556 internal hard drive (3.5" vs 2.5"). HDD capacity: 160 GB on the Dell 400-20556 internal hard drive, 4 TB on the Lenovo 4TB 7.2K 6Gb/s SAS 3.5". Interface: Serial ATA on the Dell 400-20556 internal hard drive, NL-SAS on the Lenovo 4TB 7.2K 6Gb/s SAS 3.5". Operating voltage: 5 V on the Dell 400-20556 internal hard drive, 5 / 12 V on the Lenovo 4TB 7.2K 6Gb/s SAS 3.5".

HDD capacity
- 400-20556 internal hard drive:160 GB
- 4TB 7.2K 6Gb/s SAS 3.5":4 TB
HDD size
- 400-20556 internal hard drive:2.5"
- 4TB 7.2K 6Gb/s SAS 3.5":3.5"
Interface
- 400-20556 internal hard drive:Serial ATA
- 4TB 7.2K 6Gb/s SAS 3.5":NL-SAS
Operating voltage
- 400-20556 internal hard drive:5 V
- 4TB 7.2K 6Gb/s SAS 3.5":5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 400-20556, 4TB 7.2K 6Gb/s SAS 3.5"
8 specifications	A Dell 400-20556 internal hard drive Model 400-20556 View product	B Lenovo 4TB 7.2K 6Gb/s SAS 3.5"View product
Features3 differ
HDD capacityDiffers	160 GB	4 TB
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	NL-SAS
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Packaging dataidentical
Quantity per packKnown for one	1 pc(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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