Apple Late 2012 21.5″ iMAC MD093LL/A. I expertly upgraded this one with an Intel i7-3770S CPU which Apple offers. Added an Apple/Samsung 512gb m.2 SSD to the socket on…

FS: Apple Late 2012 21.5″ iMac i7-3770S, GT 640M, Dual SSD 480gb 2.5/Apple 512gb m.2, 16gb DDR3 1600

Source: [H]ardOCP – FS: Apple Late 2012 21.5″ iMac i7-3770S, GT 640M, Dual SSD 480gb 2.5/Apple 512gb m.2, 16gb DDR3 1600