Product comparison · 2 internal hard drives

Dell 400-21028 internal hard drive vs Lenovo 45J9634 internal hard drive

4specifications compared
4differ
0identical
11known for one product only

Key differences

The Dell 400-21028 internal hard drive has 70 GB more HDD capacity than the Lenovo 45J9634 internal hard drive (320 GB vs 250 GB). The Lenovo 45J9634 internal hard drive has 1" more HDD size than the Dell 400-21028 internal hard drive (3.5" vs 2.5"). Interface: Serial ATA on the Dell 400-21028 internal hard drive, Serial ATA II on the Lenovo 45J9634 internal hard drive. Operating voltage: 5 V on the Dell 400-21028 internal hard drive, 5 / 12 V on the Lenovo 45J9634 internal hard drive.

HDD capacity
- 400-21028 internal hard drive:320 GB
- 45J9634 internal hard drive:250 GB
HDD size
- 400-21028 internal hard drive:2.5"
- 45J9634 internal hard drive:3.5"
Interface
- 400-21028 internal hard drive:Serial ATA
- 45J9634 internal hard drive:Serial ATA II
Operating voltage
- 400-21028 internal hard drive:5 V
- 45J9634 internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 400-21028, 45J9634
15 specifications	A Dell 400-21028 internal hard drive Model 400-21028 View product	B Lenovo 45J9634 internal hard drive Model 45J9634 View product
Features3 differ
HDD capacityDiffers	320 GB	250 GB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Component forKnown for one	PC	Unknown — not stated by the source
TypeKnown for one	Unknown — not stated by the source	HDD
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Other featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Data transfer rateKnown for one	1.5 Gbit/s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Dell OptiPlex 780 USFF	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	677 g

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.

More internal hard drive comparisons

All internal hard drive comparisons