I needed spare parts. dead fan. Since the Raspberry Pi can't talk and tell you "I'm too hot", I wrote a script to do that for me. Now all 5 Pi are talking to me. These fans and heatsinks are exactly what I personally needed.
GeeekPi Raspberry Pi Cluster Case with Cooling Fan and Heatsink for Pi 4 Model B, 3 Model B+ & 3/2 Model B
11 Review
Gikfun Screw Shield Expansion Board: Enhance Arduino UNO R3 with the EK7007 Add-On
11 Review
LAFVIN Super Starter Kit for Arduino R3 Mega2560 Mega328 Nano with Detailed Tutorial - Compatible with Arduino IDE
11 Review
55" TV LG OLED55C2RLA 2022 HDR, OLED, dark titanium
38 Review
MacBook Retina 13-inch (A1425, A1502) and 🔩 15-inch (A1398) Bottom Case Screw Set with Pentalobe Screwdriver
11 Review
Comprehensive 500pcs Laptop Screw Kit Set for 🔩 IBM HP Dell Lenovo Samsung Sony Toshiba Gateway Acer
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