Asus GTX650-DC-1GD5 ASUS GTX650-DC-1GD5 Graphics Cards GTX650-DC-1GD5 ASUS, leading provider of high-performance graphics solutions, is now introducing the ASUS GTX650-DC-1GD5 which features 1GB GDDR5 memory on board and supports DirectX 11 OpenGL4.2. ASUS unique DirectCU thermal design allows all-copper heat pipes to touch GPU directly so that it results in better heat dissipation. The performance is up to 20% cooler than the reference design.