- Replace a Radeon HD 6750M graphics card in a Model A1311 Mid 2011 21.5" iMac (MC309LL/A configuration).
- This is a used OEM part.
- iMac Intel 21.5" A1311 EMC 2428 Mid 2011
Option 1 / Used, fully tested
Lifetime Warranty - This iFixit product is guaranteed to function as long as you have it.