OWC Data Doubler Optical Bay Hard Drive/SSD Mounting Solution for iMac 2009-2011. 2009, 2010, 2011 iMac Optical Bay Hard Drive / SSD Mounting Solution Boost storage capacity by adding up to an additional 2.0TB of internal storage with a second hard drive, or enjoy near-instantaneous boot and app loading times by adding a Solid State Drive Supports:SATA 6Gb/s, 3Gb/s & 1.5Gb/sInterface2.5" Drive orSSD(Solid State Drive) of up to 12.5mm height. Compatible with iMac Model IDs: iMac9,1 iMac10,1 iMac11,1 iMac11,2 iMac11,3 iMac12,1 iMac12,2 Includes: bracket, screws, OWC Microfiber cloth, 1 Year OWC Limited Warranty-(Install tools NOT included) <span class="a-text-bold">Supports:</span>SATA 6Gb/s, 3Gb/s &amp; 1.5Gb/sInterface2.5&#034; DriveorSSD(Solid State Drive) of up to 12.5mm height. <span class="a-text-bold">Dimensions:</span>5&#034;(D) x 4&#034;(W) x 0.5&#034;(H) (12.7 x 10.3 x 1.2mm) <span class="a-text-bold">Weight:</span>2.3oz. / 0.14lbs. iMac (27-inch Mid 2011)<span class="a-text-bold">Model ID:</span>iMac12,2(2.7GHz i5, 3.1GHz i5, 3.4GHz i7) iMac (21.5-inch Mid 2011)<span class="a-text-bold">Model ID:</span>iMac12,1(2.5GHz i5, 2.7GHz i5, 2.8GHz i7) iMac (27-inch Mid 2010)<span class="a-text-bold">Model ID:</span>iMac11,3(2.8GHz i5, 2.93GHz i5, 3.6GHz i7) iMac (27-inch Mid 2010)<span class="a-text-bold">Model ID:</span>iMac11,3(2.8GHz, 2.93GHz, 3.2GHz, 3.6GHz) iMac (21.5-inch Mid 2010)<span class="a-text-bold">Model ID:</span>iMac11,2(3.6GHz i5) iMac (21.5-inch Mid 2010)<span class="a-text-bold">Model ID:</span>iMac11,2 (3.06GHz, 3.2GHz, 3.6GHz) iMac (27-inch Late 2009)<span class="a-text-bold">Model ID:</span>iMac11,1 (2.66GHz i5, 2.8GHz i7) iMac (27-inch Late 2009)<span class="a-text-bold">Model ID:</span>iMac10,1; iMac11,1(2.66GHz, 2.8GHz, 3.06GHz, 3.33GHz) iMac (21.5-inch Late 2009)<span class="a-text-bold">Model ID:</span>iMac10,1(3.06GHz, 3.33GHz) iMac (24-inch Early 2009)<span class="a-text-bold">Model ID:</span>iMac9,1(2.66GHz, 2.93GHz, 3.06GHz) iMac (20-inch Early 2009)<span class="a-text-bold">Model ID:</span>iMac9,1(2.66GHz) iMac10,1 iMac11,1 iMac9,1 <span class="a-text-bold">1:</span>OWC Data Doubler Bracket <span class="a-text-bold">2:</span>Screws (2 x Phillips) <span class="a-text-bold">3:</span>OWC Quick Start Guide (pdf) <span class="a-text-bold">4:</span>OWC Microfiber Wipe