Review on 🔥 Enhanced Cooling Performance: 30 PCS Raspberry Pi 4 Heatsink Kit with Thermal Conductive Adhesive Tape, Aluminum and Copper Heat Sink for Raspberry Pi B B+ 2/3/4 by Deelo Sylvester

I own all versions of the Raspberry Pi, from the original to the latest Pi 4 (plus the Zero and Pico boards). These heatsinks are great for various Raspberry Pi chips. There are 4 different sizes: large square, large rectangle, small square and flat squares (sorry I don't have exact sizes). These are great for the different sized chips on the Pi 4. The copper colored flat squares go on the bottom of the Pi 2 to cover the memory chip. The adhesive adheres well and shows no signs of detachment.