Item Type: 4GB GDDR5 Graphics Card Material:PCB, Aluminum Alloy, ABS Display Core: For AMD for RADEON HD 7670 GPU: Thames Core Process: 40nm CUDA Core: 480 Units Number of Transistors: 716M Core Frequency: 650MHz Memory Frequency: 900MHz Video Memory Capacity: 4096MB Video Memory Type: GDDR5 Video Memory Bit Width: 128bit DirectX Version: DirectX 11 Bus Interface Type: PCI Express X16 2.1 Display Interface: HD Multimedia Interfacex1, DVIx1, VGAx1 Package List： 1 x 4GB GDDR5 Graphics Card Note: 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. 【Interface】: PCI Express X16 2.1 graphics card slot for high-performance gaming graphics card, HD Multimedia Interfacex1, DVIx1, VGAx1 display interface, supports DirectX 11. 【Cooling Fan】: No extra power 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. 【4GB GDDR5】: Graphics card with 4GB video memory capacity, lower operating temperature, higher efficiency, low noise and quiet operation. 【1000MHz Core Frequency】: For HD7670 with chipset, 1000MHz core frequency, 128-bit bit width, 3600MHz memory frequency, high-speed memory.