The GEX X2 passes the four strict power excursion tests from PSU ATX 3.0 Guide, in which the spike power consumption must bear up to 200% of the rated power for 100μs.
ITX, MATX Motherboard Compatibility, 345mm VGA Length, 160mm Cooler, Metal Computer Cabinet, HDD, SSD, 7 Expansion Slots, 120mm Fanx1 and 350W Power Supply Unit Pre Installed