Product comparison · 2 external hard drives

Seagate OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0) vs Seagate OneTouch™ III 300GB

21specifications compared
7differ
14identical
8known for one product only

Key differences

HDD capacity
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):500 GB
- OneTouch™ III 300GB:300 GB
Width
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):136 mm
- OneTouch™ III 300GB:217 mm
Height
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):217 mm
- OneTouch™ III 300GB:136 mm
Mac compatibility
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):Yes
- OneTouch™ III 300GB:No
Power requirements
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):100-240 VAC
- OneTouch™ III 300GB:100-240 VAC, 47-63 Hz
I/O ports
- OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0):USB
- OneTouch™ III 300GB:USB 2.0 FireWire 400

Side by side

Differences highlightedShow differences only

Comparison of OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0), OneTouch™ III 300GB
29 specifications	A Seagate OneTouch III 500GB, Triple Interface(FW 400/800/USB 2.0)View product	B Seagate OneTouch™ III 300GB View product
Hard drive1 differ
HDD capacityDiffers	500 GB	300 GB
HDD speed	7200 RPM	7200 RPM
Type	HDD	HDD
Storage drive average seek time	9 ms	9 ms
Storage drive buffer size	16 MB	16 MB
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
FireWire 400	Yes	Yes
FireWire 800Known for one	Yes	Unknown — not stated by the source
Poweridentical
Bus powered	USB	USB
External power adapterKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Weight & dimensions2 differ
WidthDiffers	136 mm	217 mm
Depth	65 mm	65 mm
HeightDiffers	217 mm	136 mm
Weight	1.45 kg	1.45 kg
Other features4 differ
Drive device, transfer rateKnown for one	480 MB/s	Unknown — not stated by the source
Internal	No	No
Mac compatibilityDiffers	Yes	No
Minimum RAM	128 MB	128 MB
Minimum processor	Pentium III 500 MHz	Pentium III 500 MHz
Minimum system requirementsKnown for one	- CD-ROM drive - Internet connection	Unknown — not stated by the source
Power requirementsDiffers	100-240 VAC	100-240 VAC, 47-63 Hz
Compatible operating systemsDiffers	Windows 2000 Professional, XP Professional, XP Home Edition	Windows 2000, XP Mac OS X 10.2.8+
Dimensions (WxDxH)Known for one	136 x 65 x 217 mm	Unknown — not stated by the source
I/O portsDiffers	USB	USB 2.0 FireWire 400
Sustained data rateKnown for one	33 MB/s	Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes

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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