ASUS PRIME B550M-A AX II motherboard, AMD AM4 platform and DDR4 memory support, micro-ATX form factor. Used and fully functional as confirmed by the seller. Board only: no CPU, CPU cooler, RAM, SSD, graphics card, power supply, case, cables, antennas or other background items are included. Actual condition is shown in the two photos. No original box, extra accessories or manufacturer warranty is promised. Please verify CPU support and BIOS requirements for your intended processor.