1. 4GB DDR5 Memory: The GTX750 graphics card has a core frequency of 1020MHz and a memory frequency of 1350MHz. 4GB DDR5 memory, with good fluency, can effectively meet your needs.2. Support System: 1xHD Multimedia Interface, 1xDVI interface, 1xVGA interface,Support for Windows 10, for Windows 8 8.1, for Windows 7, for Windows Vista, for , for FreeBSD x86.3. 2560x1600 Resolution: Graphics card supports resolutions up to 2560x1600, supports for DirectX 11, for OpenGL 4.4 without external power supply, full load power consumption is about 70W. 400W or more power rating is recommended.4. Cooling Dual Fans: This gaming graphics card comes with independent cooling dual fans for lower working temperature, higher efficiency, low noise and quiet working.5. Plug and Play: The graphics card with PCI Express 3.0 16X slot is plug and play, easy to install, full solidly state capacitors, integrated thickened heat sink module, and reinforced PCB material for more stable gaming and working performance.Spec:Item Type: GTX750 4G DDR5 Graphics CardsMaterial: Metal, ElectronicChip Model: For GM107Core bit width: 128 BIT Interface: 1xHD Multimedia Interface, 1xDVI interface, 1xVGA interfaceMemory Capacity: 4GBMemory Type: DDR5Memory Bit Width: 128 BITCore Frequency: 1020MHZMemory Frequency: 1350mhzStream Processor Unit: 640 (pcs)3D API: DirectX 11How to Use:plug and playPackageList:1 x Graphics Cards1 x CD1 x User Manual