Club 3D R9 280X Royal Queen Graphics Cards (CGAX-R928X7) Black CGAX-R928X7, PCI Express 3.0, 3072MB, GDDR5, 384 BIT Up to 1050MHz GPU clock speed, 2048 Stream processors, 6000MHz Memory clock speed, Cool Stream high performance cooling Club 3D back plate, The main purpose for this back plate is to provide additional passive cooling and reinforces the PCB by providing strength / rigidity of the graphics card and therefore protecting critical components. It does also look great.