GIGABYTE GV-RX30HM256DP, GDDR2, 64 bit, 2048 x 1536 pixels GIGABYTE GV-RX30HM256DP. Graphics card memory type: GDDR2, Memory bus: 64 bit. Maximum resolution: 2048 x 1536 pixels. DirectX version: 9.0, OpenGL version: 1.5