922-9814 Apple SD Card Reader for iMac 21.5 inch 2011 A1311 – AppleVTech Inc. Published August 8, 2018 at 350 × 350 in 922-9814 SD Card Reader for iMac 21.5 inch 2011 A1311 MC978LL/A, MC309LL/A, MC812LL/A, BTO/CTO