1, You have the appropriate graphics card interface, support for cross shown on the firing line;
2, your motherboard supports ATi Crossfire dual-card;
3, the best two cards the same brand, same model;
4, this accessory manufacturers to offer new and original sapphire parts, accessories to ensure the quality first;
5, the formation of Crossfire platform, it is best to use two cross-firing at the same time
According to the official PDF, inserted two-way bridge can 24bit (12bit × 2) 400MHz transfer rates, just plug in a bridge can also set up CrossFire, but the performance to be worse.