Asus EAH5450 Radeon HD 5450 1GB PCI-Express Video Card for $14.99 shipped after a $15 rebate. Here is a screenshot for your reference. It features a Radeon HD 5450 GPU, 1GB dedicated video memory, DirectX 11 support, HDMI, VGA, and DVI ports. It also has a fanless design for silent operation. Most places have it for about $39.