All machines have been factory reset to an out of the box condition. BIOS version - 1.7.1. Clock Speed - 1.50 GHz. Primary Hard Drive - 64GB. Video Controller - Intel HD Graphics.Audio Controller - Realtek ALC3253. Wi-Fi Device - Intel Wireless. And power supply included Of note, six computers (of 48) do NOT have a power supply. This item is in the category "Computers/Tablets & Networking\Desktops & All-In-Ones\PC Desktops & All-In-Ones". The seller is "lachesis" and is located in this country: US. This item can be shipped to United States.