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โ๏ธ Cool smarter, not harder โ your techโs new best friend!
This 4-piece 40x40x20mm anodized aluminum heatsink kit features high-grade 6063-T5 extruded aluminum with a thick, flat base and 11 vertical fins designed for optimal heat dissipation. Lightweight at 41 grams each, these heatsinks are engineered for versatile cooling applications including CPUs, GPUs, 3D printer stepper motors, and thermoelectric modules. The smooth anodized finish enhances corrosion resistance and durability, making it an essential upgrade for professionals seeking efficient, reliable thermal management.











| ASIN | B07SMX1DB7 |
| Best Sellers Rank | 18,722 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 41 in Computer Heatsinks |
| Brand | Awxlumv |
| CPU Socket | Universal |
| Cooler Heatsink Compatibility | 3D printers stepper motor, NEMA 17, Router, TEC1-12706 Thermoelectric Peltier Cooler, Charging Head, Power Adapter Led Light, Cooling Fan etc. |
| Cooler Heatsink Material | Aluminium |
| Cooler heat sink material | Aluminium |
| Cooler heatsink compatibility | 3D printers stepper motor, NEMA 17, Router, TEC1-12706 Thermoelectric Peltier Cooler, Charging Head, Power Adapter Led Light, Cooling Fan etc. Cooler heatsink compatibility 3D printers stepper motor, NEMA 17, Router, TEC1-12706 Thermoelectric Peltier Cooler, Charging Head, Power Adapter Led Light, Cooling Fan etc. See more |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 258 Reviews |
| Included Components | 4 pieces 40mm anodized aluminum heatsink |
| Item Dimensions L x W x H | 40L x 40W x 20H millimetres |
| Item Weight | 41 Grams |
| Item weight | 41 Grams |
| Manufacturer | Awxlumv |
| Manufacturer Part Number | 20-40mm |
| Model Number | 40x40x20mm Heatsink |
| Mounting Type | Panel Mount |
| Mounting type | Panel Mount |
| Product dimensions | 40L x 40W x 20H millimetres |
| UPC | 703145002938 |
A**R
Very nice
Well made words as expected
W**.
40 x 40 x 20 heatsinks
These have very nice thermal transfer. They seem to be of pure aluminum, because they work better than a similar shape and fin style heatsink of 40% larger area and mass. Easy to drill and machine.
B**R
quality and inexpensive
used with thermal epoxy to shape to my needs
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D**T
A good buy
Good quality, well made.
J**B
As described, measurements shown are accurate
Can't complain. The measurements shown in the listing are accurate down to the tenth of a millimeter and consistent across all 4 pieces. Certainly aluminum, a neodymium magnet has absolutely no effect at all on these. Like holding a magnet to a block of wood. And the electrical resistance across a block is zero on my meter or at least too low for my device to measure.
Trustpilot
3 weeks ago
1 week ago