Product comparison · 2 external hard drives

Iomega DVR Expander Hard Drive - 1TB - Ext. vs Iomega UltraMax Pro Desktop Hard Drive - 750GB - Ext.

Key differences

HDD capacity
- DVR Expander Hard Drive - 1TB - Ext.:1 TB
- UltraMax Pro Desktop Hard Drive - 750GB - Ext.:750 GB
Drive device, transfer rate
- DVR Expander Hard Drive - 1TB - Ext.:150 MB/s
- UltraMax Pro Desktop Hard Drive - 750GB - Ext.:100 MB/s
Weight (imperial)
- DVR Expander Hard Drive - 1TB - Ext.:0.885 kg (1.95 lbs)
- UltraMax Pro Desktop Hard Drive - 750GB - Ext.:0.862 kg (1.9 lbs)

Differences highlightedShow differences only

Comparison of DVR Expander Hard Drive - 1TB - Ext., UltraMax Pro Desktop Hard Drive - 750GB - Ext.
19 specifications	A Iomega DVR Expander Hard Drive - 1TB - Ext.View product	B Iomega UltraMax Pro Desktop Hard Drive - 750GB - Ext.View product
Hard drive1 differ
HDD capacityDiffers	1 TB	750 GB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
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
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	Unknown — not stated by the source	Yes
FireWire 800Known for one	Unknown — not stated by the source	Yes
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
Drive device, transfer rateDiffers	150 MB/s	100 MB/s
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Dimensions (W x D x H) (imperial)Known for one	120.7 x 198.6 x 31 mm (4.75 x 7.82 x 1.22")	Unknown — not stated by the source
Weight (imperial)Differs	0.885 kg (1.95 lbs)	0.862 kg (1.9 lbs)
eSATA cableKnown for one	Yes	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	USB 2.0 USB 6-pin IEEE 1394a FireWire 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.