Fractal Design Cases FD-CA-DEF-Nano-S-BK-W A Define Series ITX case designed for silent computing with sound dampening and ModuVent technology User-friendly construction with superior cable management and compatibility for full-size components Flexible storage options with room for up to 4 drives Accommodates a variety of radiator sizes and includes brackets for reservoir and pump mounting Features two Dynamic Series fans - 1 GP-12 and 1 GP-14 - with an adapter included for motherboards with limited fan headers Featuring an open interior allowing an unobstructed airflow path from the front of the case to the rear exhaust Easy-to-clean filters on the top and bottom, spanning the PSU position, with the bottom filter ejecting from the front for easy-access.