Product comparison · 2 external hard drives

Iomega Professional Hard Drive - 500GB - 7200rpm - USB 2.0 vs Iomega UltraMax Plus Hard Drive Array - 1TB - 2 x 500GB USB, FireWire, eSATA

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Comparison of Professional Hard Drive - 500GB - 7200rpm - USB 2.0, UltraMax Plus Hard Drive Array - 1TB - 2 x 500GB USB, FireWire, eSATA
16 specifications	A Iomega Professional Hard Drive - 500GB - 7200rpm - USB 2.0 View product	B Iomega UltraMax Plus Hard Drive Array - 1TB - 2 x 500GB USB, FireWire, eSATA View product
Hard driveidentical
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
Type	HDD	HDD
Storage drive buffer size	8 MB	8 MB
RAID levelsKnown for one	Unknown — not stated by the source	0, 1
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
FireWire 400Known for one	Unknown — not stated by the source	Yes
FireWire 800Known for one	Unknown — not stated by the source	Yes
eSATAKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
Other featuresidentical
Internal	No	No
Total storage capacityKnown for one	Unknown — not stated by the source	1 TB
I/O portsKnown for one	Unknown — not stated by the source	USB 2.0 6-pin IEEE 1394a 9-pin IEEE 1394b 7-pin - eSATA
Drive device, transfer rateKnown for one	60 MB/s	Unknown — not stated by the source
USB cableKnown for one	USB	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.