Refurbished: TS240GJDM520 - Transcend JetDrive 520 240GB Multi-Level Cell (MLC) SATA 6Gb/s Solid State Drive with Upgrade Kit for MacBook Air - Newegg.com
Transcend JetDrive 520 480GB USB 3.0 / SATA 6Gb/s MLC Internal / External Solid State Drive (SSD) TS480GJDM520 - Newegg.com
JetDrive 520 | SSD Upgrade Kits for Mac - Transcend Information, Inc.
Amazon.com: Transcend 240GB JetDrive 520 SATAIII 6Gb/s Solid State Drive Upgrade Kit for MacBook Air, Mid 2012 (TS240GJDM520) : Electronics