Chipset Radeon HD 5450 DirectX 11 OpenGL 4.1 Core Clock 650 MHz Shader Clock N/A Memory Clock 1100 MHz Process Technology 40 nm Memory Size 1 GB Memory Bus 64 bit Card Bus PCI-E 2.1 Memory Type DDR3 PCB Form Low Profile Digital max resolution 2560 x 1600 Analog max resolution 2048 x 1536 Multi-view 2 I/O HDMI * 1 DVI-I * 1 D-sub * 1 Card size H=22 mm, L=183 mm, W=122 mm Power requirement 400 W