Product comparison · 2 external hard drives

Freecom Hard Drive Classic 400GB vs Iomega UltraMax 500 GB FireWire/USB 2.0

13specifications compared
4differ
9identical
22known for one product only

Key differences

HDD capacity
- Hard Drive Classic 400GB:400 GB
- UltraMax 500 GB FireWire/USB 2.0:500 GB
Storage drive buffer size
- Hard Drive Classic 400GB:16 MB
- UltraMax 500 GB FireWire/USB 2.0:8 MB
Product colour
- Hard Drive Classic 400GB:Black
- UltraMax 500 GB FireWire/USB 2.0:Silver
Weight
- Hard Drive Classic 400GB:750 g
- UltraMax 500 GB FireWire/USB 2.0:1.14 kg

Side by side

Differences highlightedShow differences only

Comparison of Hard Drive Classic 400GB, UltraMax 500 GB FireWire/USB 2.0
35 specifications	A Freecom Hard Drive Classic 400GB View product	B Iomega UltraMax 500 GB FireWire/USB 2.0 View product
Hard drive2 differ
HDD capacityDiffers	400 GB	500 GB
HDD speed	7200 RPM	7200 RPM
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	8 MB
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
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
FireWire 400Known for one	Unknown — not stated by the source	Yes
Maximum data transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
Features1 differ
Product colourDiffers	Black	Silver
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	41 mm
DepthKnown for one	Unknown — not stated by the source	240 mm
HeightKnown for one	Unknown — not stated by the source	140 mm
WeightDiffers	750 g	1.14 kg
Other featuresidentical
FireWire requiredKnown for one	Unknown — not stated by the source	Yes
HDD transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
Internal	No	No
Mac compatibility	Yes	Yes
Minimum RAM	256 MB	256 MB
Minimum processorKnown for one	Unknown — not stated by the source	PowerPC G3/300 MHz Pentium
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Special featuresKnown for one	Unknown — not stated by the source	HFS+
USB 2.0 ports quantity	1	1
USB cableKnown for one	Unknown — not stated by the source	USB
USB required	Yes	Yes
Compatible operating systemsKnown for one	Unknown — not stated by the source	Mac OS X version 10.1 + Microsoft Windows 2000 Professional / XP Home / XP Professional / XP Professional x64 / Windows Vista
FireWire cableKnown for one	Unknown — not stated by the source	Yes
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
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
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

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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