Product comparison · 2 internal hard drives

Dell ST3450856SS internal hard drive vs Lenovo 04W1291 internal hard drive

Key differences

HDD capacity
- ST3450856SS internal hard drive:450 GB
- 04W1291 internal hard drive:320 GB
HDD speed
- ST3450856SS internal hard drive:15000 RPM
- 04W1291 internal hard drive:7200 RPM
HDD size
- ST3450856SS internal hard drive:3.5"
- 04W1291 internal hard drive:2.5"
Interface
- ST3450856SS internal hard drive:SAS
- 04W1291 internal hard drive:Serial ATA
Component for
- ST3450856SS internal hard drive:Server/workstation
- 04W1291 internal hard drive:Laptop

Differences highlightedShow differences only

Comparison of ST3450856SS, 04W1291
9 specifications	A Dell ST3450856SS internal hard drive Model ST3450856SS View product	B Lenovo 04W1291 internal hard drive Model 04W1291 View product
Features5 differ
HDD capacityDiffers	450 GB	320 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Component forDiffers	Server/workstation	Laptop
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 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.