This product is either discontinued or we cannot get that from suppliers.
ASUS P10S-I LGA-1151 Mini-ITX Server Motherboard, 1x PCI-E x16 (Gen3 X16 Link), 6x SATA3 6Gb/s ports, 1x M.2 Connector (2242), 3x USB 3.0 ports, 2x USB 2.0 ports, 2x Intel I210AT, 1x Mgmt LAN, Fan Speed Control, ASWM Enterprise, Chipset C232, LGA1151, 16GB 2x DDR4 2133 UDIMM Channels (max. 32GB).
As a slim size serverboard, the 6.7” x 6.7” Mini ITX form factor of P10S-I fits for various small form factor appliance servers. In addition, its layout is rack-optimized placement, the CPU and memory are placed in a parallel arrangement.