Buffalo HD-PC320U2 external hard drive vs Buffalo HD-PC500U2 external hard drive

Comparison of HD-PC320U2, HD-PC500U2

19 specifications	A Buffalo HD-PC320U2 external hard drive Model HD-PC320U2 View product	B Buffalo HD-PC500U2 external hard drive Model HD-PC500U2 View product
Hard drive1 differ
HDD capacityDiffers	320 GB	500 GB
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Featuresidentical
Product colour	Black	Black
Plug and Play	Yes	Yes
LED indicators	Yes	Yes
Poweridentical
Bus powered	USB	USB
Power consumption (typical)	2.5 W	2.5 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)	20 - 80 °C	20 - 80 °C
Weight & dimensionsidentical
Width	77 mm	77 mm
Depth	114 mm	114 mm
Height	14 mm	14 mm
Weight	165 g	165 g
Other featuresidentical
Internal	No	No
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Compatible operating systems	Windows 7 32bit/64bit Windows Vista 32bit/64bit Windows XP Mac 10.4+	Windows 7 32bit/64bit Windows Vista 32bit/64bit Windows XP Mac 10.4+

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.