VisionTek Radeon 5450 1GB DDR3 (DVI-I, HDMI, VGA) Graphics Card - 900860 The VisionTek Radeon HD 5450 Series GPUs fully support Microsoft DirectX 11 Dolby TrueHD and DTSHD Master Audio Support: Content protected, high bandwidth, 7.1 channels of surround sound over HDMI. Avivo Technology Enhanced Unified Video Decoder 2 (UVD 2) Multi-monitor support: HDMI, DVI, VGA (configurations require an adapter that is sold separately) Pixel fill rate: up to 2.6 Gigapixels/sec. Texel fill rate (bilinear filtered): up to 5.2 gigatexels/sec