1000MHz Core Frequency: For AMD HD7670 with for AMD chipset, 1000MHz core frequency, 128bit bit width, 3600MHz memory frequency, high speed memory. 4GB GDDR5: Graphics card with 4GB video storage capacity, lower operating temperature, higher efficiency, low noise and quiet . Interface: PCI Express X16 2.1 graphics card slot for high performance gaming graphics card, HD Multimedia Interfacex1, DVIx1, VGAx1 display interface, support DirectX 11. Cooling Fan: No additional power supply required, all solidly capacitors ensure low power consumption and high performance, with a cooling fan for efficient heat dissipation. 480 Stream Processor Unit: 480 stream processor unit,PCB, Aluminum Alloy and ABS material, wear resistant and durable, can be used for a long time.