Tested and working. Does not come with hard drive or operating. Comes with power cord.This Dell Optiplex 3020 desktop is a great choice for casual computing. With a small form factor (SFF) and Intel Core 3 processor running at 3.50 GHz, it's a reliable machine for daily use. The 4 GB RAM size helps with multitasking and running multiple applications at once. The Dell Optiplex 3020 does not come with a hard drive (HDD) or operating system (OS), so you'll need to purchase these separately. It's a great option for those who want a compact desktop for their home or office. Get this desktop today and enjoy a fast and efficient computing experience.