Product comparison · 2 external hard drives

ADATA 640GB Classic CH91 2.5” vs ADATA NH92 Portable 640GB

15specifications compared
2differ
13identical
11known for one product only

Key differences

Product colour
- 640GB Classic CH91 2.5”:White
- NH92 Portable 640GB:Pink
Dimensions (WxDxH)
- 640GB Classic CH91 2.5”:82 x 134 x 15.7 mm
- NH92 Portable 640GB:75.8 x 118.5 x 12 mm

Side by side

Differences highlightedShow differences only

Comparison of 640GB Classic CH91 2.5”, NH92 Portable 640GB
26 specifications	A ADATA 640GB Classic CH91 2.5”View product	B ADATA NH92 Portable 640GB View product
Hard driveidentical
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
Features1 differ
Product colourDiffers	White	Pink
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
WeightKnown for one	Unknown — not stated by the source	152 g
Other features1 differ
MaterialKnown for one	Unknown — not stated by the source	Aluminium
Quick start guideKnown for one	Unknown — not stated by the source	Yes
USB cableKnown for one	Unknown — not stated by the source	USB
Dimensions (WxDxH)Differs	82 x 134 x 15.7 mm	75.8 x 118.5 x 12 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.

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