Product comparison · 2 external hard drives

Seagate FreeAgent Pro 320 GB, USB 2.0/eSATA vs Seagate FreeAgent Pro 500-GB

Key differences

HDD capacity
- FreeAgent Pro 320 GB, USB 2.0/eSATA:320 GB
- FreeAgent Pro 500-GB:500 GB
Maximum data transfer rate
- FreeAgent Pro 320 GB, USB 2.0/eSATA:480 Mbit/s
- FreeAgent Pro 500-GB:3000 Mbit/s
Dimensions (WxDxH)
- FreeAgent Pro 320 GB, USB 2.0/eSATA:160 x 35.5 x 190.5 mm
- FreeAgent Pro 500-GB:35.56 x 160.2 x 190.5 mm

Differences highlightedShow differences only

Comparison of FreeAgent Pro 320 GB, USB 2.0/eSATA, FreeAgent Pro 500-GB
20 specifications	A Seagate FreeAgent Pro 320 GB, USB 2.0/eSATA View product	B Seagate FreeAgent Pro 500-GB View product
Hard drive1 differ
HDD capacityDiffers	320 GB	500 GB
HDD speed	7200 RPM	7200 RPM
Type	HDD	HDD
Ports & interfaces1 differ
Maximum data transfer rateDiffers	480 Mbit/s	3000 Mbit/s
USB connectorKnown for one	USB	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
eSATA	Yes	Yes
Poweridentical
External power adapterKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Internal	No	No
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Quick start guide	Yes	Yes
USB 2.0 ports quantity	1	1
USB cable	USB	USB
Compatible operating systemsDiffers	Windows Vista, Windows XP Home, or Professional Edition, or Windows 2000 Pro, OS X 10.3.9	Windows XP Home, Professional Edition, Windows 2000 Pro Mac OSx 10.3,10.4
Dimensions (WxDxH)Differs	160 x 35.5 x 190.5 mm	35.56 x 160.2 x 190.5 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	254 x 127 x 254 mm
Package weightKnown for one	Unknown — not stated by the source	1560 kg
Featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	900 g

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.