Acer External HDD 640 Gb vs Seagate FreeAgent Go, 1TB

Comparison of External HDD 640 Gb, FreeAgent Go, 1TB

18 specifications	A Acer External HDD 640 GbView product	B Seagate FreeAgent Go, 1TBView product
Hard drive1 differ
HDD capacityDiffers	640 GB	1 TB
Type	HDD	HDD
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Ethernet LAN	No	No
FireWire 400	No	No
FireWire 800	No	No
Featuresidentical
Product colour	Black	Black
Poweridentical
Bus powered	USB	USB
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	80 mm
DepthKnown for one	—Unknown — not stated by the source	21 mm
HeightKnown for one	—Unknown — not stated by the source	130 mm
WeightKnown for one	—Unknown — not stated by the source	160 g
Other featuresidentical
Drive device, transfer rateKnown for one	—Unknown — not stated by the source	480 MB/s
Internal	No	No
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows Vista/XP/7

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.