Dell OptiPlex 790 SFF Motherboard D28YY + Core i5-2400 3.1GHz CPU + Heatsink Fan - The620Guy.com
Working Motherboard P/N 70810-001 With Intel Core i5-2400 SP00Q 3.1 GHZ | eBay
intel Core i5 2400 ASUS P8H67-M LE Change Motherboard ASUS H61M-K LGA1155 socket intel 2nd 3rd Gen - YouTube
I feel like it's missing something, tell me if I need anything and I know, its a budget build don't judge much. Intel Core i5-2400 3.10 Ghz B75 LGA 1155 Motherboard Video
ASUS P8H67-M Pro Motherboard w/ Intel i5-2400 8GB DDR3 Heatsink I/O Shield 8-4 | eBay
H61 LGA 1155 Motherboard Set With I5 2400 CPU DDR3 M-ATX Intel Motherboards Kit | eBay