Iomega 500GB UltraMax vs Verbatim 250GB USB

Comparison of 500GB UltraMax, 250GB USB

26 specifications	A Iomega 500GB UltraMaxView product	B Verbatim 250GB USBView product
Hard drive2 differ
HDD capacityDiffers	500 GB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
Storage drive buffer sizeKnown for one	8 MB	—Unknown — not stated by the source
Ports & interfacesidentical
eSATAKnown for one	Yes	—Unknown — not stated by the source
FireWire 400Known for one	Yes	—Unknown — not stated by the source
FireWire 800Known for one	Yes	—Unknown — not stated by the source
Maximum data transfer rateKnown for one	—Unknown — not stated by the source	480 Mbit/s
USB connectorKnown for one	—Unknown — not stated by the source	USB
USB versionKnown for one	—Unknown — not stated by the source	2.0
Packaging dataidentical
User guideKnown for one	Yes	—Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	—Unknown — not stated by the source
Disks included quantityKnown for one	1 pc(s)	—Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	—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
Dimensions (W x D x H) (imperial)Known for one	240 x 139.7 x 41.4 mm (9.45 x 5.5 x 1.63")	—Unknown — not stated by the source
FireWire cableKnown for one	Yes	—Unknown — not stated by the source
Minimum system requirementsKnown for one	—Unknown — not stated by the source	USB 1.1/2.0
USB requiredKnown for one	—Unknown — not stated by the source	Yes
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows 2000, XP, Vista, Mac OS 9x, Mac OS X 10.1
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	86 x 137 x 16 mm
Poweridentical
Bus poweredKnown for one	—Unknown — not stated by the source	USB
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	147 g

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.