Note: if the ad is up, it's still available. Here is a great base for a powerful desktop computer. There is no hard disk, so you can add your own. It has 8 gb RAM in one of four slots, so upgrading is simple. The motherboard has two nvme m.2 slots. Also it has power and data connections for a SATA hard disk or SSD. The BIOS nas been updated to the latest version, and the unit is Windows 11 compatible. Specs: Intel i5-8500 6-core CPU 8 gb RAM DVD/CD RW optical drive Intel HD630 (1 gb) integrated graphics