Buffalo HD-PX320U2-RD external hard drive vs Buffalo HD-PX500U2-WH external hard drive

Comparison of HD-PX320U2-RD, HD-PX500U2-WH

18 specifications	A Buffalo HD-PX320U2-RD external hard drive Model HD-PX320U2-RD View product	B Buffalo HD-PX500U2-WH external hard drive Model HD-PX500U2-WH View product
Hard drive1 differ
HDD capacityDiffers	320 GB	500 GB
HDD speed	5400 RPM	5400 RPM
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
eSATA	Yes	Yes
Featuresidentical
Product colourKnown for one	Red	—Unknown — not stated by the source
Plug and Play	Yes	Yes
Poweridentical
Bus powered	USB	USB
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Weight & dimensionsidentical
Weight	370 g	370 g
Other featuresidentical
Internal	No	No
Mac compatibility	Yes	Yes
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Compatible operating systems	Windows Vista, Windows XP, Windows 2000 MAC OS X 10.3.9 / >	Windows Vista, Windows XP, Windows 2000 MAC OS X 10.3.9 / >
Dimensions (WxDxH)	20 x 90 x 134 mm	20 x 90 x 134 mm

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.