Apple Computer , iMac 20-inch 2.4/2.66 GHz Core 2 Due (E8135, E8335),
Order Number, MB323LL/A,
Model Number, A1224,
Model Year, Early 2008,
Part Name, Video Card 128MB ATI Radeon HD 2400XT,
Manufacture Part Number, N/A,
Compatible Apple Order Number, MB323LL/A, MB324LL/A,
Compatible Apple Model Number, A1224,
EMC Number, EMC 2210,
EEE Code, 0SA, 0SB, ZTS, ZTT,
Compatible Apple Computer, iMac (20-inch, Early 2008), ,
Order you product here:
661-4673 Graphic Card 128MB ATI Radeon HD 2400XT for iMac 20 inch Early 2008 A1224 MB323LL/A, MB324LL/A,
661-4673
source
http://info.applepartsellers.com/661-4673-graphic-card-128mb-ati-radeon-hd-2400xt-for-imac-20-inch-early-2008-a1224-mb323ll-a-mb324ll-a