Product comparison · 2 internal hard drives

Dell WJH3D internal hard drive vs Dell XD7XK internal hard drive

6specifications compared
4differ
2identical
3known for one product only

Key differences

The Dell XD7XK internal hard drive has 1" more HDD size than the Dell WJH3D internal hard drive (3.5" vs 2.5"). The Dell XD7XK internal hard drive has 3 Gbit/s more HDD interface transfer rate than the Dell WJH3D internal hard drive (6 Gbit/s vs 3 Gbit/s). HDD capacity: 750 GB on the Dell WJH3D internal hard drive, 3 TB on the Dell XD7XK internal hard drive. Interface: Serial ATA II on the Dell WJH3D internal hard drive, NL-SAS on the Dell XD7XK internal hard drive.

HDD capacity
- WJH3D internal hard drive:750 GB
- XD7XK internal hard drive:3 TB
HDD size
- WJH3D internal hard drive:2.5"
- XD7XK internal hard drive:3.5"
Interface
- WJH3D internal hard drive:Serial ATA II
- XD7XK internal hard drive:NL-SAS
HDD interface transfer rate
- WJH3D internal hard drive:3 Gbit/s
- XD7XK internal hard drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of WJH3D, XD7XK
9 specifications	A Dell WJH3D internal hard drive Model WJH3D View product	B Dell XD7XK internal hard drive Model XD7XK View product
Features4 differ
HDD capacityDiffers	750 GB	3 TB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA II	NL-SAS
Type	HDD	HDD
Component forKnown for one	Laptop	Unknown — not stated by the source
HDD interface transfer rateDiffers	3 Gbit/s	6 Gbit/s
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 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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