ASRock Rack Mini ITX DDR3 1333 Motherboards (C2550D4I) Mini ITX Intel Avoton C2550 Quad-Core Processor DDR3 1600/1333 Dual-channel Max. 64GB UDIMM 2 SATA3 6.0Gbps, 4 SATA2 3.0Gbps by C2550, 4 x SATA3 6.0 Gb/s by Marvell SE9230, 2 x SATA3 6.0 Gb/s by Marvell SE9172 Dual Intel i210 Gigabit LAN ports (with Teaming function)