Well-known graphics card maker GECUBE released today with great fanfare the new HD4870 series of high-end graphics cards, the successor to its popular HD4850 series. The GECUBE HD4870 series comes with exclusive GDDR5 memory and the latest AMD graphics technology. Built on the 2nd generation 55nm chip process, it incorporates the PCI-Express 2.0 interface as well as support for DirectX10.1/SM4.1 and ATI CrossFireX