Biostar's Z170Z5 motherboard revealed last month targets high-end gamers that aren't on a tight budget. If you still want strong performance but are looking to shave costs where you can, that is where the company's H170S3H motherboard comes in.
The H170S3H is built on Intel H170 chipset, thereby supporting 1151 6th generation Intel Core processors. It supports DDR3, 4K, Crossfire via 2x PCI-E X16 slots, and includes plenty of USB ports; capacitors feature an "ultra low" ESR design said to double lifespan.
Full specifications can be found here.
Availability is unknown, but SRP is $84.90.