OWC 1TB SSD Upgrade Bundle For 2011 iMacs, OWC Mercury Electra 1.0TB 6G SSD, AdaptaDrive 2.5″ to 3.5″ Drive Converter Bracket, In-line Digital Thermal Sensor Cable, Installation tools, OWCKITIM11HE1TB

Complete DIY kit for upgrading your 2011 iMac's hard drive with a high-performance OWC 6G Solid State Drive; No software hacks requiredSequential Reads(Compressible Data): up to 532MB/s; Sequential Writes(Compressible Data): up to 467MB/sCompatible with 27