Genuine Apple Mac Pro 5,1 4,1 3,1 2,1 ATI Radeon HD5770 1GB Graphics Video Card
The ATI Radeon HD 5770 is a 1GB GDDR5 graphics card designed for use in Apple Mac Pro computers, specifically models A1289 and A1186 (5,1 and 4,1), but also for Mac Pro 3.1 and Mac Pro 1.1/2.1. Excellent upgrade for your Mac.