ASRock Rack X299 WS/IPMI ATX Server Motherboard Single Socket R4(LGA 2066) Intel X299 IPMI Dual LAN - Newegg.com
ASRock X299 Steel Legend - Motherboard ASRock on LDLC
ASUS PRIME X299-DELUXE LGA2066 DDR4 M.2 U.2 THUNDERBOLT USB 3.1 X299 ATX Motherboard with Dual Gigabit LAN and 802.11AD WIFI for Intel Core i9 and i7 X-Series Processors - Newegg.com