Motherboard form factor support Dominic Fragoso June 08, 2017 19:12 Updated Follow What type of motherboard can fit in the Manta? The Manta supports only mini ITX form factors. Related articles GPU Clearance CPU Heatsink Clearance My H400 I/O Front Panel Connectors Do Not Fit Into My Motherboard. Am I Missing Something? What is the Difference Between the Standard Version and I-Version of the H400? How does the HDMI pass through work?