With the launch of Nvidia's GeForce 9800 GX2 as a rival to the ATi Radeon HD 3870 X2, dual-GPU graphics cards are en vogue right now. But Taiwanese manufacturer Asus has upped the ante, mounting three Radeon HD 3850 GPUs on a single card with a total of 1.5GB of RAM to create what it's calling the EAH3850 X3 Trinity.