NeweggBusiness - ASUS P10S-M WS/IPMI-O Micro ATX Server Motherboard LGA 1151 Intel C236
Used - Very Good: ASUS P10S WS LGA 1151 ATX Intel Motherboard - Newegg.com
ASUS P10S WS - Motherboard - ATX - LGA1151 Socket - C236 - USB 3.0, USB 3.1, USB-C - 2 x Gigabit LAN - onboard graphics (CPU required) - HD Audio (8-channel) at TigerDirect.com