Intel LGA 1150 (Socket H3) Intel® Celeron®, Intel® Pentium® PC micro ATX Intel® H81 Realtek ALC662 5.1 channels DDR3-SDRAM, DDR3L-SDRAM 2 DIMM Maximum internal memory: 16 GB SATA II, SATA III Intel 512 BIOS type: UEFI AMI 32 Mbit ACPI version: 1.1 Gigabit Ethernet - Supports New 4th and 4th Generation Intel® Corei7/i5/i3/Xeon®/Pentium®/Celeron® Processors (Socket 1150)- Digi Power, 4 Power Phase design- Supports Dual Channel DDR3/DD3L 1600- 1 x PCIe 2.0 x16, 3 x PCIe 2.0 x1- Graphics Output Options : DVI-D, D-Sub- Realtek Gigabit LAN- 5.1 CH HD Audio (Realtek ALC662 Audio Codec), ELNA Audio Caps- TI® NE5532 Premium Headset Amplifier- 2 x SATA3, 2 x SATA2, 2 x USB 3.0, 8 x USB 2.0 (4 Front, 4 Rear)- 1 x Print Port Header, 1 x COM Port Header- Supports ASRock Ultra USB Power, Full Spike Protection, APP Shop, FAN-Tastic Tuning,USB Key Processor Intel Core i3/i5/i7/i9 series i3-4xxx, i5-4xxx, i7-4xxx Maximum number of SMP processors 1 Compatible processor series Intel® Celeron®, Intel® P