Product comparison · 2 external hard drives

Freecom Hard Drive Classic 500GB vs Iomega UltraMax 640GB

9specifications compared
3differ
6identical
23known for one product only

Key differences

HDD capacity
- Hard Drive Classic 500GB:500 GB
- UltraMax 640GB:640 GB
Storage drive buffer size
- Hard Drive Classic 500GB:16 MB
- UltraMax 640GB:8 MB
Minimum RAM
- Hard Drive Classic 500GB:256 MB
- UltraMax 640GB:32 MB

Side by side

Differences highlightedShow differences only

Comparison of Hard Drive Classic 500GB, UltraMax 640GB
32 specifications	A Freecom Hard Drive Classic 500GB View product	B Iomega UltraMax 640GB View product
Hard drive2 differ
HDD capacityDiffers	500 GB	640 GB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Storage drive average seek timeKnown for one	9 ms	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
RAID levelsKnown for one	Unknown — not stated by the source	0
Ports & interfacesidentical
Maximum data transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
USB connectorKnown for one	USB	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
eSATAKnown for one	Unknown — not stated by the source	No
FireWire 400Known for one	Unknown — not stated by the source	Yes
FireWire 800Known for one	Unknown — not stated by the source	Yes
Featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Poweridentical
External power adapterKnown for one	Yes	Unknown — not stated by the source
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	750 g	Unknown — not stated by the source
Other features1 differ
Average latencyKnown for one	4.2 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	50000 h	Unknown — not stated by the source
Minimum RAMDiffers	256 MB	32 MB
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	200 x 115 x 40 mm	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	200 MB
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Dimensions (W x D x H) (imperial)Known for one	Unknown — not stated by the source	244.6 x 122.4 x 78 mm (9.63 x 4.82 x 3.07")
FireWire cableKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
User guideKnown 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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