Review on Apevia 120mm CF512S-BK Black Silent Case Fan (5-pack) with 4pin & 3pin by Brian Henley

I needed to replace a broken fan on the wall of my home office and found I didn't have 120 seconds left. These five packs were such a good buy that I decided to drill two more holes in the wall to increase airflow a bit. My study is a converted dining room. My satisfaction in framing the door and enclosing the entrance was shattered when a hurricane toppled the (100 year old) red oak that protected my west wall from the daytime sun. , powered by a 12v inverter from an old Foscam that died many years ago. It helped a little, but it was too loud. Even for a room of 150 square meters there was not enough air. ft. I replaced it with a silent 120mm and then added one by one. Four is good, but six is great! Together they draw 0.63 amps at 11.8V and make less noise than a relatively quiet 4U server across the room.