Buy Western Digital Elements 320 GB,External,7200 RPM (WDBAAR3200ABK) Hard Drive with fast shipping and top-rated customer service External Hard Drive For Mac New 22TB & 44TB WD My Book External Hard Drive Storage - Gadget Advisor WD My Book Studio Edition Silver Top highlights · Digital Storage Capacity. 320 GB · Hard Disk Interface. ATA · Connectivity Technology. PATA · Brand. Western Digital · Special Feature. Portable Compatible with Mac: Yes Package dimensions (WxDxH): 214., 3 x 144., 5 x 177., 8 mm FireWire 400: Yes FireWire 800: Yes Operating temperature (T-T): 5 - 35 °C Weight: 1., 2 kg Pallet weight: 456 kg Package weight: 1., 900 kg Depth: 137 mm Maximum data transfer rate: 3000 Mbit/s Power requirements: 100 - 240 V, 47 - 63 Hz Compatible operating systems: Mac OS X 10., 4., 8 + Windows 2000/XP/Vista Type: Hard Drive USB: Yes HDD speed: 7200 RPM eSATA: Yes, External Power Adapter Nas hard disk drive – Find the best price Operating temperature range: 5 - 35 °C , FireWire 400 , FireWire 800 , Mac, compatible , eSATA