Beefed-Up Set Of Four 40mm Aluminum Heatsinks With Pre-Applied Thermal Conductive Tape, 40mm By 40mm By 20mm High Efficiency Cooling For 3D Printers, Stepper Motors, VRMs, GPUs, PCBs And LEDs

Four 40mm Aluminum Heatsinks with Pre-Applied Tape
✔️ 4x 40x40x20mm heatsinks with pre-applied blue thermal tape

These compact 40x40x20 mm aluminum heatsinks are built from durable 6063-T5 extruded aluminum for solid heat transfer and long life. The four-pack is designed for quick, no-tool mounting on small electronics, making them ideal for 3D printers, stepper motors, VRMs, GPUs, PCBs, LEDs, and other tight spaces where effective cooling matters.

✅ Pre-applied blue thermal tape backing enables tool-free mounting
✅ 6063-T5 extruded aluminum offers solid durability and heat dissipation
✅ 40x40x20mm size fits NEMA17 steppers, PCBs, GPUs, LEDs, and more
✅ Silver anodized finish provides corrosion resistance and a clean look
✅ Pack of 4 heatsinks for multi-component cooling

💡 What is a basic heatsink used for in electronics? Heatsinks are handy for moving heat away from hot spots to keep components safe and performing well. - Use with a 40mm square aluminum heatsink and pre-applied tape for quick setup - Target hot areas like stepper drivers, VRMs, LEDs, or power ICs - Pair with airflow or a small fan when workloads spike