iMac A1311 A1312 21.5″ 27″ – HDD Bracket and Screws $15.00 A1312 – Late 2009 – Mid 2010 – 2011 21.5 & 27″ iMac A1311 A1312 21.5" 27″ - HDD Bracket and Screws quantity Add to cart Sold out for now Add to Quote Continue Shopping Categories: A1311 (21.5" iMac) Late 2009-Late 2011, A1312 (27" iMac) Late 2009-Mid 2011 Description Hard Drive Bracket and Screws for 27″ iMac Late 2009 – Mid 2010 – 2011 21.5 & 27″ – HDD Bracket, screws, and mounting pins