Iomega 1TB UltraMax Desktop vs Iomega Professional Series Hard Drive - 500GB - 7200rpm - Ext.

Comparison of 1TB UltraMax Desktop, Professional Series Hard Drive - 500GB - 7200rpm - Ext.

27 specifications	A Iomega 1TB UltraMax DesktopView product	B Iomega Professional Series Hard Drive - 500GB - 7200rpm - Ext.View product
Hard drive1 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
Type	HDD	HDD
Storage drive buffer size	8 MB	8 MB
HDD sizeKnown for one	—Unknown — not stated by the source	3.5"
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
FireWire 400	Yes	Yes
FireWire 800	Yes	Yes
Featuresidentical
Product colour	Silver	Silver
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Poweridentical
External power adapterKnown for one	Yes	—Unknown — not stated by the source
Other features1 differ
Disks included quantityKnown for one	2 pc(s)	—Unknown — not stated by the source
FireWire requiredKnown for one	Yes	—Unknown — not stated by the source
Internal	No	No
Mac compatibilityKnown for one	Yes	—Unknown — not stated by the source
Minimum RAMKnown for one	256 MB	—Unknown — not stated by the source
Minimum processorKnown for one	300 MHz	—Unknown — not stated by the source
Minimum storage drive spaceKnown for one	1000 MB	—Unknown — not stated by the source
USB requiredKnown for one	Yes	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows Vista / 2000 Professional / XP Home / XP Professional / XP Professional x64; Mac OS X 10.1.5 /+	—Unknown — not stated by the source
Dimensions (W x D x H) (imperial)Differs	122.4 x 244.6 x 78 mm (4.82 x 9.63 x 3.07")	120.7 x 222.2 x 35.1 mm (4.75 x 8.75 x 1.38")
Drive device, transfer rateKnown for one	—Unknown — not stated by the source	100 MB/s
Quick start guideKnown for one	—Unknown — not stated by the source	Yes
USB cableKnown for one	—Unknown — not stated by the source	USB
Weight (imperial)Known for one	—Unknown — not stated by the source	1.26 kg (2.78 lbs)
I/O portsKnown for one	—Unknown — not stated by the source	4-pin USB 2.0 USB 6-pin IEEE 1394a FireWire 2 x 9-pin IEEE 1394b FireWire

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.