Asus P9D-I

This is an Mini-ITX board on the LGA1150 socket. Expansion includes 2 M.2 slots and 2 PCIe slots. Memory support covers 2 DDR4 slots up to 16GB total. ITX boards trade expansion for size — plan storage and capture needs up front.

At $133.50 it sits in the mid-range motherboard bracket. PlanMyPC's builder flags compatibility problems automatically and tracks the latest motherboard deals from multiple stores. Support and warranty service run through ASUS, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.