Product comparison · 2 internal hard drives

Dell H639R-REF internal hard drive vs Lenovo 40K6881 internal hard drive

6specifications compared
2differ
4identical
2known for one product only

Key differences

The Dell H639R-REF internal hard drive has 240 GB more HDD capacity than the Lenovo 40K6881 internal hard drive (320 GB vs 80 GB). Interface: Serial ATA II on the Dell H639R-REF internal hard drive, Serial ATA on the Lenovo 40K6881 internal hard drive.

HDD capacity
- H639R-REF internal hard drive:320 GB
- 40K6881 internal hard drive:80 GB
Interface
- H639R-REF internal hard drive:Serial ATA II
- 40K6881 internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of H639R-REF, 40K6881
8 specifications	A Dell H639R-REF internal hard drive Model H639R-REF View product	B Lenovo 40K6881 internal hard drive Model 40K6881 View product
Features2 differ
HDD capacityDiffers	320 GB	80 GB
InterfaceDiffers	Serial ATA II	Serial ATA
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

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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