OWC Envoy Pro 0GB Portable Bus-Powered USB 3.1 Gen 1 Cable, Storage Solution for MacBook Pro w/Retina Display Sleek elegant design.. Portable USB 3.1Gen 1 Cable, Storage solution for MacBook Pro Retina Display.. OWC Envoy Pro portable SSD enclosure.. Powered by USB port - only works with USB3.1 ports.. Suitable for both PC and Mac.. Compatible with the Flash SSD module used in the 2012 / early 2013 13" and 15" MacBook Pro with Retina Display models only. OWC Envoy USB 3.0 bus-powered storage solution Carrying Case High-quality double-shielded USB 3.0 (Micro-B to Standard-A) High-performance ASMedia 1053echipset USB 3.0 interface USB 3.0 interface (Micro-B port) OneMicro-BUSB 3.0port, up to 500MB/s Integrated power/activity LED light Non-skid rubber feet for secure placement on any surface Durable painted aluminum body complements Mac aluminum finish <span class="a-text-bold">Mac</span>Requirements: Mac OS 10.3 or later and an available and supported USB 3.0 port. <span class="a-text-bold">PC</span>Requirements: Windows XP or later and an available and supported USB 3.0 port. <span class="a-text-bold">Linux</span>Requirements: Linux OS versions and an available and supported USB 3.0 port. Yes Silent, fanless operation Bus-powered via USB port (no AC adapter required) Compatible with the stock Apple Flash SSD module for the 13&#034; or 15&#034; MacBook Pro Retina model 1.79 in (W) x 5.9 in (D) x tapered 0.279 in to 0.466 in (H) 2.8 ounces (empty case, no drive installed)