Fans work but decently loud when running on 5v, when running on 3.3v they can still be noisy (louder than 20dB) as the blade appears unbalanced and will vibrate randomly or rub against its own chassis. (sometimes very loud). You can straighten it out by shaking the fan slightly, turn it off again briefly, it works, but not very well. and without the supplied spacer nuts. As a result, I went with a significantly more expensive but quiet and high-quality Noctua NF-A4X10-FLX 5V. its great width, but installed normally with little work.
GeeekPi Raspberry Pi Cluster Case with Cooling Fan and Heatsink for Pi 4 Model B, 3 Model B+ & 3/2 Model B
11 Review
🎁 Ultimate BBC Micro bit Sensor Starter Kit: Keyestudio 37-in-1 Box with Tutorial, Compatible with V1.5 & V2, Gift for Kids and Adults (Microbit Board Not Included)
11 Review
🌐 MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi
11 Review
Vilros Raspberry Pi 4 4GB Complete Starter Kit - Black Fan-Cooled Aluminum Case for Heavy-Duty Performance
12 Review
M.2 Screw Kit: Easy Mounting for NVMe SSDs on ASUS Motherboards
19 Review
36-Pack Black Rubber PC CPU/Case Fan Screws/Rivets Set for Computer
11 Review
MacBook Retina 13-inch (A1425, A1502) and 🔩 15-inch (A1398) Bottom Case Screw Set with Pentalobe Screwdriver
11 Review
uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
10 Review