The ASUS P8H77-M PRO/CM6870 is an Intel H77 (LGA1155) microATX motherboard designed for 2nd/3rd Gen Intel Core processors. It features the Intel H77 Express chipset with support for Dual Channel DDR3 memory up to 32GB across 4 DIMM slots at frequencies of 1600/1333/1066 MHz. The board includes 1 x PCIe 3.0/2.0 x16 slot and 2 x PCIe 2.0 x1 slots for expansion. Storage capabilities consist of 4 x SATA 6Gb/s ports (2 from H77 chipset) and 2 x SATA 3Gb/s ports, supporting RAID 0,1,5,10 configurations. Integrated Intel HD Graphics supports multi-monitor output through HDMI, DVI-D and VGA ports. Networking is handled by Realtek 8111F Gigabit LAN controller. Additional features include USB 3.0 support (4 ports), ASUS AI Suite II for system tuning, and the CM6870 system compatibility for optimized performance. The motherboard also features ASUS EPU for energy efficiency and Fan Xpert for thermal management.