2nd HDD SSD Hard Drive Caddy for Apple iMac Mid-2010 A1311 MC508LL/A MC509LL/A MC508 MC509 21.5-Inch Desktop Computer, SATA 3 Second Solid State Drive Enclosure, CD DVD SuperDrive Optical Bay : Amazon.co.uk:
OWC 500GB 3G SSD and HDD DIY Complete Bundle Upgrade Kit for Late 2009-2010 iMacs : Amazon.co.uk: Computers & Accessories