Iomega 320GB USB 2.0 vs Iomega 500GB USB 2.0

Comparison of 320GB USB 2.0, 500GB USB 2.0

21 specifications	A Iomega 320GB USB 2.0View product	B Iomega 500GB USB 2.0View product
Hard drive1 differ
HDD capacityDiffers	320 GB	500 GB
HDD speedKnown for one	—Unknown — not stated by the source	5400 RPM
Other features2 differ
Minimum RAMDiffers	128 MB	256 MB
Minimum processorKnown for one	300 MHz, Mac PowerPC G3, Intel Core Duo	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
Compatible operating systemsDiffers	Microsoft Windows Vista, 2000, 2000 Professional, XP Home, XP Professional, XP Professional x64 Mac OS X, 10.1.5 +	Windows 2000 Pro / XP Home / XP Pro/XP Pro x64 / Vista

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.