ASRock Rack Motherboard J1900D2Y mini-ITX, 6.7'' x 6.7''(17.0 cm x 17.0 cm) Supports Dual channel DDR3/DDR3L 1333/1066 non-ECC, un-buffered SO-DIMM, max 16GB Support 2 SATA2 by J1900 Integrated IPMI 2.0 with KVM and Dedicated LAN (RTL8211E) Supports DC-in Jack or 4-pin 12V/19V input