Review on GeeekPi Raspberry Pi 4 Armor Case with Dual Fan, High Quality Raspberry Pi 4 Aluminum Alloy Case with Cooling Fan for Raspberry Pi 4 Model B (2510 Fan) by James Stjames

With a 2GHz overclock, fans on and full system boot, the Pi never exceeds 60°C with an ambient temperature of 22°C, which is well below the 80°C throttle temperature . Right now I'm using it as a CHIA farm, which is overkill, but when I used it as a NAS with LUKS full disk encryption, it was able to support the full 1Gbps transfer rate. Access to the heat sink is provided for USB power supply. I wanted to use better quality paste or pads, but with a PI below 60C I chose to be lazy 99% of the time. Improvement: I think the fans could use a better channeling strategy as they just seem to be forcing air into a dead end. The fans are definitely noisy and I wouldn't want to sleep next to them. the top of the heatsink to allow airflow into the case?