4GB 128Bit DDR5 PCI Express 3.0 This graphics card is quiet and quiet working and provides a better environment for gaming and multimedia. The computer graphics card has a lower working temperature and higher efficiency, which can effectively meet your needs. Easy to use and with good performance, with small size, convenient to carry and store. The core bit width is 128 bit, the video storage capacity is 4GB, and the core frequency is 650MHz. NOTE: There is no refund, and also, there is a slight cut to the plastic. just to be more compact and this has 0 effect to the performance to the Graphic card. Compatible for Windows 7,8,10.