Product comparison · 2 internal hard drives

Dell 400-ALQT internal hard drive vs Dell 644TP internal hard drive

8specifications compared
3differ
5identical
4known for one product only

Key differences

HDD capacity
- 400-ALQT internal hard drive:2 TB
- 644TP internal hard drive:4 TB
Interface
- 400-ALQT internal hard drive:NL-SAS
- 644TP internal hard drive:SAS
HDD interface transfer rate
- 400-ALQT internal hard drive:12 Gbit/s
- 644TP internal hard drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 400-ALQT, 644TP
12 specifications	A Dell 400-ALQT internal hard drive Model 400-ALQT View product	B Dell 644TP internal hard drive Model 644TP View product
Features3 differ
HDD capacityDiffers	2 TB	4 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	NL-SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
Bytes per sectorKnown for one	512n	Unknown — not stated by the source
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other featuresidentical
Compatible productsKnown for one	- PowerEdge R230 - PowerEdge R730 - PowerEdge T130 - PowerEdge R640 - PowerEdge R740XD - PowerEdge R730XL - PowerEdge T640 - PowerEdge R220 - PowerEdge T110 II - PowerVault MD3420 - PowerEdge R430 - PowerEdge C6420 - PowerEdge T440 - PowerEdge R330 - PowerEdge R540 - PowerEdge T430 - PowerVault MD38	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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