COUGAR releases its mid tower PC case "MG140 Air RGB" compatible with the MicroATX / Mini-ITX form factor. It features a front face with numerous vents and a 4mm thick tempered glass panel... COUGAR releases MG140 Air RGB chassis with big mesh front
looks like the same type of vertical slits that LianLi used in the o11, they make an insane noise when air pass through I dremeled all mine top-left-rear-bottom and only left the dust filters where needed, I only regret cutting the top one because of LianLi design the grill isn't even in front of the fans itr's larger so I see an ugly part now yes the holes matter : +4.5dB because of the "angled slats" design https://www.pugetsystems.com/labs/articles/Effects-of-Grill-Patterns-on-Fan-Performance-Noise-107/ I googled after my own tests to see if I was crazy, tested in those configurations : air-old school wire grill-the hexagonal holes case thing-radiator and against the lian li case slats but nope sure is the worst design sound level wise noctua-corsair-bequiet all made a noticeably more annoying noise in front of those