Single socket H4 (LGA 1151) supports Intel Xeon processor E3-1200 v5/v6, Intel 6th/7th Gen. Core i7/i5/i3 series, Intel Celeron and Intel Pentium, Intel C236 chipset, Up to 64GB Unbuffered ECC/non-ECC UDIMM DDR4 2400MHz; 4 DIMM slots, 2 PCI-E 3.0 x16 (run at 16/NA or 8/8), 3 PCI-E 3.0 x1 (in x4), and 2 5V PCI 32-bit slots, Single GbE LAN with Intel i210-AT, Single GbE LAN with Intel i219LM, 8 SATA3 (6Gbps) via C236; RAID 0, 1, 5, 10 + 1 PCI-E M.2 (support PCI-E x4 only, 2242/2260/2280), I/O: 2 COM, TPM header, 6 USB 3.0 (2 rear + 4 via header(s)) 8 USB 2.0 (2 rear + 6 via header(s)) 2 USB 3.1 (10Gbps, rear)