What Board do i need

Setup im thinking about getting is as follows:

Motherboard -
CPU - Intel Core I5-3570 Processor
GPU - Sapphire HD7870 2GB GDDR5 Graphics Card
RAM - Corsair 8GB (2x4GB) 1600MHz
Hard Drive - Seagate Barracuda 7200.12 1.0 TB Hard Drive
Power supply - XFX Pro 550w Power Supply Unit
Case - Sharkoon T9
Network Card - TP Link TL-WN881ND 300Mbps


I dont plan to overclock the system but i would like the option in the future to have use crossfire, tips on which motherboard to go for around the $120 mark.