Product comparison · 2 external hard drives

Freecom Mobile Drive 2.5 40GB vs Seagate Pushbutton Backup External Hard Drive 750GB

11specifications compared
5differ
6identical
18known for one product only

Key differences

HDD capacity
- Mobile Drive 2.5 40GB:40 GB
- Pushbutton Backup External Hard Drive 750GB:750 GB
HDD speed
- Mobile Drive 2.5 40GB:4200 RPM
- Pushbutton Backup External Hard Drive 750GB:7200 RPM
HDD size
- Mobile Drive 2.5 40GB:2.5"
- Pushbutton Backup External Hard Drive 750GB:3.5"
Storage drive buffer size
- Mobile Drive 2.5 40GB:2 MB
- Pushbutton Backup External Hard Drive 750GB:16 MB
External power adapter
- Mobile Drive 2.5 40GB:No
- Pushbutton Backup External Hard Drive 750GB:Yes

Side by side

Differences highlightedShow differences only

Comparison of Mobile Drive 2.5 40GB, Pushbutton Backup External Hard Drive 750GB
29 specifications	A Freecom Mobile Drive 2.5 40GB View product	B Seagate Pushbutton Backup External Hard Drive 750GB View product
Hard drive4 differ
HDD capacityDiffers	40 GB	750 GB
HDD speedDiffers	4200 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Type	HDD	HDD
Storage drive average seek timeKnown for one	13 ms	Unknown — not stated by the source
Storage drive buffer sizeDiffers	2 MB	16 MB
Ports & interfacesidentical
Maximum data transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
USB connector	USB	USB
USB version	2.0	2.0
FireWire 800Known for one	Unknown — not stated by the source	Yes
Featuresidentical
Product colourKnown for one	Silver	Unknown — not stated by the source
Power1 differ
Bus powered	USB	USB
External power adapterDiffers	No	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 80 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	300 g	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	165 mm
DepthKnown for one	Unknown — not stated by the source	181 mm
HeightKnown for one	Unknown — not stated by the source	57 mm
Packaging dataidentical
Cables includedKnown for one	USB	Unknown — not stated by the source
Other featuresidentical
Average latencyKnown for one	4.2 ms	Unknown — not stated by the source
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)Known for one	50000 h	Unknown — not stated by the source
Minimum RAMKnown for one	64 MB	Unknown — not stated by the source
Track to track seek timeKnown for one	3 ms	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	132 x 83 x 18 mm	Unknown — not stated by the source
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP, Me, 2000 Pro, 98SE Mac OS 9.2.2+

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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