Feature: 1. 6 HD ports support 6 screens display, you can adjust freely between extended mode, replication mode and integration mode. 2. 4500MHz memory clock frequency brings you smooth gaming and application using experience. 3. Support 4K/2K/1080P resolution, support HD direct connection, HD to VGA and HD to DVI-D. 4. The heat dissipation fan delivers great airflow performance,and provides excellent gaming experience. 5. The full-size metal backplate offers all-round protection to the electrical components, ensuring its stability and durability. Specification: Features: 6 HD ports support 6 screens display, you can adjust freely between extended mode, replication mode and integration mode. 4500MHz memory clock frequency brings you smooth gaming and application using experience. Support 4K/2K/1080P resolution, support HD direct connection, HD to VGA and HD to DVI-D.(The adapters should support 4K/2K/1080P resolution/30Hz refresh rate) The heat dissipation fan delivers great airflow performance,and provides excellent gaming experience. The full-size metal backplate offers all-round protection to the electrical components, ensuring its stability and durability. Specification: Brand: Yeston Model: R7 350-4G 6HD Unified shader: 512 Output interface: HD*6 Memory: 4GB GDDR5 128bit Coreclock frequency: 800MHz Memory clock frequency: 4500MHz 3D features: DirectX 12(11-1)/OpenGL 4.6 OS features: Windows 7(64)/ Windows 10(64)/Ubuntu16.04(64) Interface type: PCI-Express 3.0*16 Radiator: YDP19-A Recommend PSU: 300W Item Size: 18.8 * 10.8 * 3.8cm/7.4 * 4.3 * 1.5in Item Weight: 435g/15.3oz Package List: 1 * Graphics Card 1 * User Manual Package List: 1 * Graphics Card 1 * User Manual