We sell computers with upgraded configurations. If the computer has been modified (as listed above), then the manufacturer box was opened for testing and inspection and to install the upgrades according to the specifications as advertised. From everyday tasks to multimedia entertainment, the Acer Aspire TC-875 Desktop Computer can handle it all. Powered by a 10th Gen 2.9 GHz Intel Core i5-10400 6-Core processor and DDR4 RAM, the Acer Aspire provides the performance you need for work and for play. You can add more RAM or storage. There is also an included SuperMulti DVD burner, allowing you the ability to make physical media, such as DVDs and CDs. With USB Type-C and Type-A ports, you'll be able to connect multiple devices to the Acer Aspire. The HDMI port allows you to output to an external display, powered by integrated Intel UHD Graphics 630. You can also add your own dedicated graphics card via the available PCIe x16 slot. While you could connect to the internet via the Gigabit Ethernet RJ45 jack. The Acer Aspire can go wireless, thanks to its Wi-Fi 6 (802.11ax) connectivity. This allows you to place the Acer Aspire anywhere in your home or office and not have to be tethered near the router. With 5.1-Channel Surround Sound HD Audio support, you'll be able to get an immersive audio experience. A USB keyboard and mouse are included.