Iomega 250GB Portable Hard Drive vs iStorage 3.5" Eco Drive 80GB

Comparison of 250GB Portable Hard Drive, 3.5" Eco Drive 80GB

28 specifications	A Iomega 250GB Portable Hard DriveView product	B iStorage 3.5" Eco Drive 80GBView product
Hard drive1 differ
HDD capacityDiffers	250 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 sizeKnown for one	—Unknown — not stated by the source	8 MB
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
FireWire 400Known 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 Professional / XP Home / XP Professional / XP Professional x64; Mac OS X 10.1.5 /+	- 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
FireWire requiredKnown for one	Yes	—Unknown — not stated by the source
Minimum RAMKnown for one	256 MB	—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	88.9 x 19.1 x 133.3 mm (3.5 x 0.75 x 5.25")	—Unknown — not stated by the source
Weight (imperial)Known for one	0.218 kg (0.48 lbs)	—Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Silver	—Unknown — not stated by the source
Poweridentical
Bus poweredKnown for one	USB	—Unknown — not stated by the source
External power adapterKnown for one	No	—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.