Iomega REV External Drive Backup Kit vs Iomega REV Internal Drives

Comparison of REV External Drive Backup Kit, REV Internal Drives

19 specifications	A Iomega REV External Drive Backup KitView product	B Iomega REV Internal DrivesView product
Featuresidentical
HDD capacityKnown for one	—Unknown — not stated by the source	120 GB
HDD sizeKnown for one	—Unknown — not stated by the source	3.5"
Interface	Serial ATA	Serial ATA
HDD number of headsKnown for one	—Unknown — not stated by the source	2
Track to track seek timeKnown for one	—Unknown — not stated by the source	2.5 ms
Average latencyKnown for one	—Unknown — not stated by the source	12 ms
Bytes per sectorKnown for one	—Unknown — not stated by the source	2048
Access timeKnown for one	7.1 ms	—Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	—Unknown — not stated by the source	5 / 12 V
Other features1 differ
Minimum system requirementsKnown for one	—Unknown — not stated by the source	350MHz, SATA, 512MB RAM
Compatible operating systemsDiffers	Microsoft Windows XP Home/Professional/Professional x64, 2000 Professional, Vista (Home Basic, Home Premium, Business & Ultimate)	Windows Vista/XP Home/Professional/Professional x64/2000 Professional/Server/Server 2003/Server 2008, Mac OS 10.4
InternalKnown for one	—Unknown — not stated by the source	Yes
eSATAKnown for one	—Unknown — not stated by the source	Yes
Drive device speedKnown for one	4000 RPM	—Unknown — not stated by the source
Seek timeKnown for one	13 ms	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	101.3 x 146 x 25.4 mm	—Unknown — not stated by the source
Drive device, transfer rateKnown for one	30 MB/s	—Unknown — not stated by the source
Total storage capacityKnown for one	120 GB	—Unknown — not stated by the source
Compressed capacityKnown for one	240 GB	—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.