The ASUS H81M-A is an Intel H81 (LGA1150) microATX motherboard designed for 4th Gen Intel Core processors. It features the H81 Express chipset with support for Dual Channel DDR3 memory at 1600/1333/1066MHz frequencies across 2 DIMM slots, with a maximum capacity of 16GB. The board includes 1 x PCIe 2.0 x16 slot for graphics expansion, plus 2 x PCIe 2.0 x1 slots. Storage conNECtivity consists of 4 x SATA 6Gb/s ports (2 from H81 chipset + 2 via ASMedia controller) with RAID 0/1/5/10 support. Networking is handled by Realtek Gigabit LAN, while graphics output options include D-Sub, DVI-D and HDMI ports supporting 4K resolution. Additional features include USB 3.0 (2 rear + 1 front header), 8-channel HD audio with EMI-shielded codec, ASUS 5X Protection II hardware safeguards, and UEFI BIOS with EZ Mode. The motherboard also comes with ASUS AI Suite 3 utility for system monitoring and tuning.