Product comparison · 2 internal hard drives

Dell ST3450856SS internal hard drive vs Lenovo 81Y9775 internal hard drive

7specifications compared
3differ
4identical
3known for one product only

Key differences

The Dell ST3450856SS internal hard drive has 7,800 RPM more HDD speed than the Lenovo 81Y9775 internal hard drive (15000 RPM vs 7200 RPM). HDD capacity: 450 GB on the Dell ST3450856SS internal hard drive, 3 TB on the Lenovo 81Y9775 internal hard drive. Interface: SAS on the Dell ST3450856SS internal hard drive, Serial ATA on the Lenovo 81Y9775 internal hard drive.

HDD capacity
- ST3450856SS internal hard drive:450 GB
- 81Y9775 internal hard drive:3 TB
HDD speed
- ST3450856SS internal hard drive:15000 RPM
- 81Y9775 internal hard drive:7200 RPM
Interface
- ST3450856SS internal hard drive:SAS
- 81Y9775 internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of ST3450856SS, 81Y9775
10 specifications	A Dell ST3450856SS internal hard drive Model ST3450856SS View product	B Lenovo 81Y9775 internal hard drive Model 81Y9775 View product
Features3 differ
HDD capacityDiffers	450 GB	3 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Hot-swapKnown for one	Unknown — not stated by the source	Yes
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 / 12 V
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)

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