– 18 – – 19 –Technical SpecificationsModel #:USB 2.0 .........................................................................HDxxxUE5-72USB 2.0 (w/PushButton) ..................................... HDxxxUPE5-72FireWire .........................................................................HDxxxFE5-72Combo A (w/PushButton) ............................. HDxxxUFAPE5-72Combo B (w/PushButton) ............................. HDxxxUFBPE5-72Physical (without stand)Dimensions:(inches)................................................................4.6” X 1.37” X 8.13”(mm) ....................................................................... 117 X 35 x 206.5Weight (Kg/lbs.) ........................................................................ 1.09/2.4ConfigurationInterface(s):USB 2.0 Drives ....................................................................... USB 2.0FireWire 400 Drives.................................................... FireWire 400Combo A Drives .........................................USB 2.0, FireWire 400Combo B Drives ............................ USB 2.0, FireWire 800 & 400Recording zone .................................................................................... 31Max areal density (Gbits/sq. inch) ..............................................29.7Max recording density (BPI) ..........................................................547Track density ......................................................................................... 54Chassis (approved/recognized) .................................... FCC/CE/ULPerformanceInterface transfer rate (max Mbps)USB 2.0 .............................................................................................480FireWire 400 ...................................................................................400would either have to shut down your computer every timeyou wanted to turn the Drive on or off, or you would haveto leave the Drive running all day unnecessarily. Always dis-mount the Drive or turn off your computer before turning off anddisconnecting the Drive.Fanless DesignAll hard drives generate some heat as a result of normaloperation. Heat generation can be an issue with some harddrives, which is why hard drives often have big, noisy fans.The E5 was engineered to be more efficient and to gener-ate so little heat that it does not need a fan, allowing us tomake the drive as compact and lightweight––and quiet––aspossible.