Features: 1.5Gbps Speed: 2G DDR3 video memory with up to 5Gbps speed ensures glossy gaming and application experience. 2.Low Power Consumption: No external power supply, about 30W full load power consumption, minimum 300W PSU recommended, low power consumption. 3.With Cooling Fan: Wide aluminum fin array heat sink absorbs more heat and the cooling fan is distributed more efficiently, making the GPU cooler and running more powerful. 4.Support System: Just download the driver, you can plug and play, widely support for Windows, for Linux, for FreeBSD system. 5.PCB Material: All solidly state capacitors, integrated thickened heat sink module, reinforced PCB material for more stable gaming and entertainment performance. specification:Item Type: GTX 730 2GB DDR3 Graphics Card Material: PCB Model: For GTX 730 2GB Core Code and Process: GF108/40nm Unified Shader: 96 Core Frequency Memory frequency: 700MHz 667MHz Memory Capacity and s: 2G/128bit/DDR3 Output Interface: VGA, HD Multimedia Interface, DVI Bus Interface: PCI Express 1.1x16 PackageList:1 x GraphicsCard 1 xUser Manual