Product Description
This is a ATI Radeon HD 4670 graphic video card VRAM total 256MB, resolution 2560 X 1440. This was repaired, tested, but it takes a few minutes for the video to come on the screen usually 1 to 2 to 3 minutes, but it does work and in good working order. Works on 21" and 27" inch 2009 2010 models, not sure if it will work on a 2011 iMac . See pictures above. Please verify compatibility |
