Iomega UltraMax Single Desktop Hard Drive 500 GB vs iStorage 3.5" Eco Drive 80GB

Comparison of UltraMax Single Desktop Hard Drive 500 GB, 3.5" Eco Drive 80GB

29 specifications	A Iomega UltraMax Single Desktop Hard Drive 500 GBView product	B iStorage 3.5" Eco Drive 80GBView product
Hard drive1 differ
HDD capacityDiffers	500 GB	80 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	—Unknown — not stated by the source	3.5"
Type	HDD	HDD
Storage drive average seek timeKnown for one	—Unknown — not stated by the source	9 ms
Storage drive buffer size	8 MB	8 MB
Ports & interfacesidentical
USB connectorKnown for one	—Unknown — not stated by the source	USB
USB versionKnown for one	—Unknown — not stated by the source	2.0
FireWire 400Known for one	Yes	—Unknown — not stated by the source
FireWire 800Known for one	Yes	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	196 mm
DepthKnown for one	—Unknown — not stated by the source	32 mm
HeightKnown for one	—Unknown — not stated by the source	127 mm
WeightKnown for one	—Unknown — not stated by the source	900 g
Packaging dataidentical
User guideKnown for one	—Unknown — not stated by the source	Yes
Other features1 differ
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)Known for one	—Unknown — not stated by the source	750000 h
USB cableKnown for one	—Unknown — not stated by the source	USB
Compatible operating systemsDiffers	Microsoft Windows Vista / 2000 / XP Home / XP x64 / Mac OS X 10.1	- Windows 98 - Windows 98SE - Windows ME - Windows 2000 - Windows XP - Windows Vista - Mac OS X +
Sustained data rateKnown for one	—Unknown — not stated by the source	25 MB/s
Minimum RAMKnown for one	256 MB	—Unknown — not stated by the source
Minimum processorKnown for one	Pentium 300 Mhz	—Unknown — not stated by the source
Quick start guideKnown for one	Yes	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
USB requiredKnown for one	Yes	—Unknown — not stated by the source
Dimensions (W x D x H) (imperial)Known for one	139.7 x 240 x 41.4 mm (5.5 x 9.45 x 1.63")	—Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Grey	—Unknown — not stated by the source
Poweridentical
External power adapterKnown for one	Yes	—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.