29 waterblock motherboard with it's own loop, part of the mini block gpu build. : r/watercooling
XSPC Waterblock for the Asus Maximus VI Extreme Motherboard | eBay
EK Water Blocks - We have just launched our first MSI USA motherboard monoblock! #MSI Z170A Gaming M7 is getting a special treat with a EK-FB Z170G Monoblock and it is beautiful! :)
Pacific M4 Motherboard Water Block (ASUS TUF X299 MARK I) | ttpremium
M6E WaterBlock — XSPC - Performance PC Water Cooling