Product comparison · 2 internal hard drives

Dell ST3450856SS internal hard drive vs Lenovo 75Y5125 internal hard drive

7specifications compared
5differ
2identical
2known for one product only

Key differences

The Lenovo 75Y5125 internal hard drive has 50 GB more HDD capacity than the Dell ST3450856SS internal hard drive (500 GB vs 450 GB). The Dell ST3450856SS internal hard drive has 7,800 RPM more HDD speed than the Lenovo 75Y5125 internal hard drive (15000 RPM vs 7200 RPM). The Dell ST3450856SS internal hard drive has 1" more HDD size than the Lenovo 75Y5125 internal hard drive (3.5" vs 2.5"). Interface: SAS on the Dell ST3450856SS internal hard drive, Serial ATA II on the Lenovo 75Y5125 internal hard drive. Component for: Server/workstation on the Dell ST3450856SS internal hard drive, Laptop on the Lenovo 75Y5125 internal hard drive.

HDD capacity
- ST3450856SS internal hard drive:450 GB
- 75Y5125 internal hard drive:500 GB
HDD speed
- ST3450856SS internal hard drive:15000 RPM
- 75Y5125 internal hard drive:7200 RPM
HDD size
- ST3450856SS internal hard drive:3.5"
- 75Y5125 internal hard drive:2.5"
Interface
- ST3450856SS internal hard drive:SAS
- 75Y5125 internal hard drive:Serial ATA II
Component for
- ST3450856SS internal hard drive:Server/workstation
- 75Y5125 internal hard drive:Laptop

Side by side

Differences highlightedShow differences only

Comparison of ST3450856SS, 75Y5125
9 specifications	A Dell ST3450856SS internal hard drive Model ST3450856SS View product	B Lenovo 75Y5125 internal hard drive Model 75Y5125 View product
Features5 differ
HDD capacityDiffers	450 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA II
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.

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