SOLVED: AMD Radeon HD 6770M on iMac can be replaced by AMD radeon 6970 - iMac Intel 27" EMC 2429 - iFixit
![For HP EliteBook 8560w 8760w FirePro M5950 HD6770M HD6770 HD 6770M 216-0810001 graphics card DDR5 1G VGA Video Graphics Card - AliExpress For HP EliteBook 8560w 8760w FirePro M5950 HD6770M HD6770 HD 6770M 216-0810001 graphics card DDR5 1G VGA Video Graphics Card - AliExpress](https://ae01.alicdn.com/kf/Sa76e63c4f5264c85a2a949b66e1c40c5C/For-HP-EliteBook-8560w-8760w-FirePro-M5950-HD6770M-HD6770-HD-6770M-216-0810001-graphics-card-DDR5.jpg)
For HP EliteBook 8560w 8760w FirePro M5950 HD6770M HD6770 HD 6770M 216-0810001 graphics card DDR5 1G VGA Video Graphics Card - AliExpress
![Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair](https://m.media-amazon.com/images/I/71GzKBBfIJL.jpg)
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair
![Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair](https://m.media-amazon.com/images/I/71GzKBBfIJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Apple iMac A1311 Mid-2011 Core i5 2.7 MC812LL/A MC812 21.5 Inch Desktop Computer, AMD Radeon HD 6770M GDDR5 512MB Repair
![Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for HP EliteBook 8540W 8560W 8560P 8570W Mobile Workstation Laptop, AMD Radeon HD 6770M GDDR5 1GB, MXM VGA Board Repair Parts : Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for HP EliteBook 8540W 8560W 8560P 8570W Mobile Workstation Laptop, AMD Radeon HD 6770M GDDR5 1GB, MXM VGA Board Repair Parts :](https://m.media-amazon.com/images/I/713+w+DWVpL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for HP EliteBook 8540W 8560W 8560P 8570W Mobile Workstation Laptop, AMD Radeon HD 6770M GDDR5 1GB, MXM VGA Board Repair Parts :
![661-5967 - Apple Radeon HD 6770M 512MB Video Graphics Card for iMac (27-inch Mid 2011) (Refurbished) 661-5967 - Apple Radeon HD 6770M 512MB Video Graphics Card for iMac (27-inch Mid 2011) (Refurbished)](https://cdn11.bigcommerce.com/s-2ktyxsrgtc/images/stencil/1280x1280/products/149372/155121/1464182980__24574.1514311829.jpg?c=2)
661-5967 - Apple Radeon HD 6770M 512MB Video Graphics Card for iMac (27-inch Mid 2011) (Refurbished)
![Amazon.com: Original Graphics Video Card for Apple iMac 2011 Core i5 2.7 A1312 MC813LL/A MC813 27 Inch Desktop PC Computer AMD Radeon HD 6770M HD6770M GDDR5 512MB 109-C29557-00 Replacement Parts : Electronics Amazon.com: Original Graphics Video Card for Apple iMac 2011 Core i5 2.7 A1312 MC813LL/A MC813 27 Inch Desktop PC Computer AMD Radeon HD 6770M HD6770M GDDR5 512MB 109-C29557-00 Replacement Parts : Electronics](https://m.media-amazon.com/images/I/91fML4fo1QL.jpg)