Iomega 1.5TB UltraMax Single HDD vs Iomega DVR Expander Hard Drive - 1TB - Ext.

Comparison of 1.5TB UltraMax Single HDD, DVR Expander Hard Drive - 1TB - Ext.

27 specifications	A Iomega 1.5TB UltraMax Single HDDView product	B Iomega DVR Expander Hard Drive - 1TB - Ext.View product
Hard drive1 differ
HDD capacityDiffers	1.5 TB	1 TB
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 connectorKnown for one	USB	—Unknown — not stated by the source
USB versionKnown for one	2.0	—Unknown — not stated by the source
eSATA	Yes	Yes
FireWire 400Known for one	Yes	—Unknown — not stated by the source
FireWire 800Known for one	Yes	—Unknown — not stated by the source
Featuresidentical
Product colour	Silver	Silver
LED indicatorsKnown for one	Yes	—Unknown — not stated by the source
Other features1 differ
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
Internal	No	No
Mac compatibilityKnown for one	Yes	—Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	—Unknown — not stated by the source
Minimum processorKnown for one	PowerPC G3, Intel Core Duo	—Unknown — not stated by the source
Quick start guide	Yes	Yes
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
USB cableKnown for one	USB	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000/XP/Vista Mac X 10.1	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	139.7 x 240 x 41.4 mm	—Unknown — not stated by the source
Dimensions (W x D x H) (imperial)Differs	139.7 x 240 x 41.4 mm (5.5 x 9.45 x 1.63")	120.7 x 198.6 x 31 mm (4.75 x 7.82 x 1.22")
eSATA cable	Yes	Yes
Drive device, transfer rateKnown for one	—Unknown — not stated by the source	150 MB/s
Weight (imperial)Known for one	—Unknown — not stated by the source	0.885 kg (1.95 lbs)

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.