Product comparison · 2 internal hard drives

Dell 1TB 3.5" 7.2k SATA vs Dell 400-21028 internal hard drive

Key differences

HDD capacity
- 1TB 3.5" 7.2k SATA:1 TB
- 400-21028 internal hard drive:320 GB
HDD size
- 1TB 3.5" 7.2k SATA:3.5"
- 400-21028 internal hard drive:2.5"
Operating voltage
- 1TB 3.5" 7.2k SATA:5 / 12 V
- 400-21028 internal hard drive:5 V

Differences highlightedShow differences only

Comparison of 1TB 3.5" 7.2k SATA, 400-21028
16 specifications	A Dell 1TB 3.5" 7.2k SATA View product	B Dell 400-21028 internal hard drive Model 400-21028 View product
Features2 differ
HDD capacityDiffers	1 TB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	Serial ATA
Component forKnown for one	Unknown — not stated by the source	PC
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Data transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Compatible productsKnown for one	Unknown — not stated by the source	Dell OptiPlex 780 USFF

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.