For users looking to upgrade older boards without breaking the bank on a dual-GPU card, ASUS’s EAH4890 TOP/HTDI/1GD5 is a very good choice. The EAH4890 TOP supports PCI Express 2.0 bus, two DVI-I ports (dual-link), and a single S-Video port that also outputs component, composite HDMI and VGA with the help of dongles. 1024MB of memory always comes in handy for extreme gaming, and DirectX 10.1 and Shader Model 4.1 support means you’re fully up to date. Experience marvelous gaming performance with this ASUS EAH4890 TOP!