ADATA NH92 Portable 500GB vs ADATA NH92 Portable 640GB

Comparison of NH92 Portable 500GB, NH92 Portable 640GB

26 specifications	A ADATA NH92 Portable 500GBView product	B ADATA NH92 Portable 640GBView product
Hard drive1 differ
HDD capacityDiffers	500 GB	640 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Type	HDD	HDD
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
USB connector	USB	USB
USB version	2.0	2.0
Featuresidentical
Product colour	Pink	Pink
Plug and Play	Yes	Yes
Poweridentical
Bus powered	USB	USB
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	75.8 mm
DepthKnown for one	—Unknown — not stated by the source	118.5 mm
HeightKnown for one	—Unknown — not stated by the source	12 mm
Weight	152 g	152 g
Packaging dataidentical
Bundled software	HDD to go	HDD to go
Other features1 differ
Drive device, transfer rate	30 MB/s	30 MB/s
Internal	No	No
Mac compatibility	Yes	Yes
Material	Aluminium	Aluminium
Quick start guide	Yes	Yes
USB 2.0 ports quantity	1	1
USB cable	USB	USB
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows XP/Vista/7 Mac OS X 10.4+ Linux KERNEL 2.4+	Windows 2000, XP, Vista Mac OS X 10.4+ Linux Kernal 2.4+
Dimensions (WxDxH)	75.8 x 118.5 x 12 mm	75.8 x 118.5 x 12 mm
CompatibilityKnown for one	Windows XP/Vista/7, Mac OS X 10.5, 10.6.	—Unknown — not stated by the source

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.