Apple Computer
iMac 20-inch 2.66 GHz Core 2 Duo (E8135)
iMac 21.5-inch 2.5/2.7 GHz Core i5 (i5-2400S, i5-2500S)
iMac 21.5-inch 2.8 GHz Core I7 (i7-2600S)
Order Number
MC978LL/A, MC309LL/A, MC812LL/A, BTO/CTO
Model Number
A1224, A1311
Part Name
Optical Drive
Manufacture Part Number
AD-5960, GA32N, GA31N
EMC Number
EMC 2266, EMC 2428
EEE Code
DFF0, DFF2, DG96, DNRQ, DNRR
Compatible Apple Computer
iMac (21.5-inch, Late 2011)
iMac (21.5-inch, Mid 2011)