Apple iMac A1312 (mid 2011) Dual 2.5" HDD mount & MacOS 10.13.6 USB upgrade kit
MacOS 10.13.06 High Sierra on bootable USB device. ( The original HDD mounting pegs and shock mount bracket will be required ). Mini SATA to Standard SATA cable, required for second HDD / SSD. 3.5" to Dual 2.5" adapter tray with screws.