The card features the Next Generation Crossfire support for up to 4 graphics cards with No interconnect bridge required. With AMD 2nd generation GCN technology, the card optimizes DirectX 11.2 gaming performance automatically up to 2.5 times faster! It also offers up to 4.5x compute performance and up to 95% lower GPU Idle Power Consumption. With the latest PCI-e 3.0 bus design maximizes performance by delivering double bandwidth per lane of PCI-e 2.x.