Lenovo 45N7021-RFB internal hard drive vs Lenovo 51J0281-RFB internal hard drive

Comparison of 45N7021-RFB, 51J0281-RFB

6 specifications	A Lenovo 45N7021-RFB internal hard drive Model 45N7021-RFB View product	B Lenovo 51J0281-RFB internal hard drive Model 51J0281-RFB View product
Features1 differ
HDD capacityDiffers	320 GB	800 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Poweridentical
Operating voltage	5 V	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.