Feature:1. 650MHz Core Frequency: For AMD HD7670 with for AMD chipset, 650MHz core frequency, 128bit bit width, 900MHz memory frequency, high speed memory.2. 4GB GDDR5: Graphics card with 4GB video storage capacity, lower operating temperature, higher efficiency, low noise and quiet operation.3. Interface: PCI Express X16 2.1 graphics card slot for high performance gaming graphics card, HD Multimedia Interfacex1, DVIx1, VGAx1 display interface, support DirectX 11.4. 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.5. 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.Specification:Item Type: 4GB GDDR5 Graphics CardMaterial:PCB, Aluminum Alloy, ABSDisplay Core: For AMD for RADEON HD 7670GPU: ThamesCore Process: 40nmCUDA Core: 480 UnitsNumber of Transistors: 716MCore Frequency: 650MHzMemory Frequency: 900MHzVideo Memory Capacity: 4096MBVideo Memory Type: GDDR5Video Memory Bit Width: 128bitDirectX Version: DirectX 11Bus Interface Type: PCI Express X16 2.1Display Interface: HD Multimedia Interfacex1, DVIx1, VGAx1.Package List:1 x 4GB GDDR5 Graphics CardNote:Before installing, you need to uninstall and reinstall all previous graphics card drivers. Unable to update to the latest driver version can cause crashes due to instability, as the graphics card version is too low for gaming.