Model No: GA -C50 Colour: Silver Bridge Chipset: USB 2.0 Chipset: AT2 CY7C68300，IEEE1394: Chipset: Oxford 911 Case Material: Aluminium Data Transfer: USB 2.0 up to 480Mbps (60MB/s)，IEEE1394 up to 400Mbps Windows Requirements: USB 2.0: Windows 98SE/ME/2000/XP，Your hardware device must have proper port or PCI card。 Enclosure Size: 27.2cm x 15.4cm x 4.7cm Packing Accessories: GA-U5251 CDRW/DVD Enclosure，USB 2.0 cable & IEEE1394 cable，Manual, power adapter, power cable, screw package, driver CD Mac Requirements: USB 2.0: Mac OS 10.2 or higher，USB 1.1: Mac OS 9.1 or higher (You must update the USB extension to v1.41 or higher between Mac OS 8.6 and Mac OS 9.04)，Your hardware device must have proper port or PCI card。 Power Supply: Your hardware device must have proper port or PCI card， Input: AC 100-240V, 1.2A, 50-60Hz ，Output: DC +5V/2A, +12V/2A Carton/Packing: Retail Box * Size: 29.5cm x 8.3cm x 23.0cm ， Carton Size: 51.0cm x 34.0cm x 41.0cm within 10pcs retail box， N.W. : 1.6kg/pc， G.W. : 17.5kg/Carton