Product comparison · 2 external hard drives

Seagate OneTouch™ II - 300GB vs Seagate OneTouch™ III 500GB

Key differences

HDD capacity
- OneTouch™ II - 300GB:300 GB
- OneTouch™ III 500GB:500 GB
Width
- OneTouch™ II - 300GB:210 mm
- OneTouch™ III 500GB:217 mm
Depth
- OneTouch™ II - 300GB:41 mm
- OneTouch™ III 500GB:65 mm
Height
- OneTouch™ II - 300GB:140 mm
- OneTouch™ III 500GB:136 mm
Weight
- OneTouch™ II - 300GB:1.38 kg
- OneTouch™ III 500GB:1.45 kg
I/O ports
- OneTouch™ II - 300GB:USB 2.0 FireWire 800
- OneTouch™ III 500GB:USB 2.0 FireWire 400

Differences highlightedShow differences only

Comparison of OneTouch™ II - 300GB, OneTouch™ III 500GB
21 specifications	A Seagate OneTouch™ II - 300GB View product	B Seagate OneTouch™ III 500GB View product
Hard drive1 differ
HDD capacityDiffers	300 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Type	HDD	HDD
Storage drive average seek time	9 ms	9 ms
Storage drive buffer size	16 MB	16 MB
Featuresidentical
Plug and Play	Yes	Yes
Poweridentical
Bus powered	USB	USB
External power adapterKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Weight & dimensions4 differ
WidthDiffers	210 mm	217 mm
DepthDiffers	41 mm	65 mm
HeightDiffers	140 mm	136 mm
WeightDiffers	1.38 kg	1.45 kg
Other features2 differ
Internal	No	No
Mac compatibility	No	No
Minimum RAM	128 MB	128 MB
Minimum processor	Pentium III 500 MHz	Pentium III 500 MHz
Power requirements	100-240 VAC, 47-63 Hz	100-240 VAC, 47-63 Hz
Compatible operating systemsDiffers	Windows 2000 Professional, XP Home / XP Professional	Windows 2000, XP
I/O portsDiffers	USB 2.0 FireWire 800	USB 2.0 FireWire 400

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.