Product comparison · 2 internal hard drives

Dell NP657-4 internal hard drive vs Lenovo 03X3951 internal hard drive

4specifications compared
3differ
1identical
4known for one product only

Key differences

The Dell NP657-4 internal hard drive has 7,800 RPM more HDD speed than the Lenovo 03X3951 internal hard drive (15000 RPM vs 7200 RPM). HDD capacity: 73 GB on the Dell NP657-4 internal hard drive, 2 TB on the Lenovo 03X3951 internal hard drive. Interface: SAS on the Dell NP657-4 internal hard drive, Serial ATA on the Lenovo 03X3951 internal hard drive.

HDD capacity
- NP657-4 internal hard drive:73 GB
- 03X3951 internal hard drive:2 TB
HDD speed
- NP657-4 internal hard drive:15000 RPM
- 03X3951 internal hard drive:7200 RPM
Interface
- NP657-4 internal hard drive:SAS
- 03X3951 internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of NP657-4, 03X3951
8 specifications	A Dell NP657-4 internal hard drive Model NP657-4 View product	B Lenovo 03X3951 internal hard drive Model 03X3951 View product
Features3 differ
HDD capacityDiffers	73 GB	2 TB
HDD speedDiffers	15000 RPM	7200 RPM
InterfaceDiffers	SAS	Serial ATA
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 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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