Product comparison · 2 internal hard drives

Dell 400-ATJZ internal hard drive vs Dell 400-ATKR internal hard drive

Key differences

HDD capacity
- 400-ATJZ internal hard drive:2 TB
- 400-ATKR internal hard drive:8 TB
HDD size
- 400-ATJZ internal hard drive:2.5"
- 400-ATKR internal hard drive:3.5"
Interface
- 400-ATJZ internal hard drive:Serial ATA III
- 400-ATKR internal hard drive:SAS
HDD interface transfer rate
- 400-ATJZ internal hard drive:6 Gbit/s
- 400-ATKR internal hard drive:12 Gbit/s
Operating voltage
- 400-ATJZ internal hard drive:5 V
- 400-ATKR internal hard drive:5 / 12 V

Differences highlightedShow differences only

Comparison of 400-ATJZ, 400-ATKR
12 specifications	A Dell 400-ATJZ internal hard drive Model 400-ATJZ View product	B Dell 400-ATKR internal hard drive Model 400-ATKR View product
Features4 differ
HDD capacityDiffers	2 TB	8 TB
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA III	SAS
HDD interface transfer rateDiffers	6 Gbit/s	12 Gbit/s
Bytes per sectorKnown for one	512n	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	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.