OTHER WORLD COMPUTING Otg 2.5" Portable USB 3.0 Enclosure for Sata HD (OWCMOTGS3U3) Portable Sub 3.0 Enclosure Kit For Sata Hard Drives including Solid State Drives (ssds) Backward Compatible With Sub 2.0 Ports & Oxford Sub Chipset Creates 1 Perfectly Integrated Storage Solution For Mac Or Pc Us-based Support Response Time Of 48 Hours Or Less <span class="a-text-bold">USB 3.0</span>: Supported on Macs and PC&#039;s meeting minimum requirements. <span class="a-text-bold">USB 2.0</span>: Supported on Macs and PC&#039;s meeting minimum requirements. <span class="a-text-bold">Macintosh:</span> Macintosh OS 8.6 to 9.2.2, OS X 10.2.x or later including &#039;Mavericks&#039; 10.9.x, and an available USB 3.0 port. Time Machine Compatible: Mac OS X 10.5(version introduced) and later. <span class="a-text-bold">PC:</span> Windows Vista, XP, 2000, NT, 98, and an available USB 3.0 port. <span class="a-text-bold">Linux:</span> Linux compatible via supported the USB interface. Bus power via USB on most computers with factory installed USB 2.0 or USB 3.0 port. Optional AC Adapter* (available as a separate purchase) * AC adapter not required for most applications provided computer bus supplies appropriate power needs. 3.5&#034; (W) x 5.5&#034; (D) x 1&#034; (H) 88.9mm x 139.7mm x 25.4mm 0.4lbs. (0.18kg)