--- product_id: 566771057 title: "4PCS Heat Sink Kit 40x40x20mm/ 1.57\"x1.57\"x0.79\", Anodized Aluminium Heatsink Heat Sync Cooler 40mm for Cooling CPU VRM GPU Led Thermoelectric Peltier Cooler 3D Printers Stepper Motor" brand: "awxlumv" price: "¥3377" currency: JPY in_stock: true reviews_count: 6 category: "Awxlumv" url: https://www.desertcart.jp/products/566771057-4pcs-heat-sink-kit-40x40x20mm-1-57x1-57x0-79-anodized store_origin: JP region: Japan --- # Precise 40x40x20mm compact size 40mm anodized aluminum for max cooling Lightweight 41g per piece 4PCS Heat Sink Kit 40x40x20mm/ 1.57"x1.57"x0.79", Anodized Aluminium Heatsink Heat Sync Cooler 40mm for Cooling CPU VRM GPU Led Thermoelectric Peltier Cooler 3D Printers Stepper Motor **Brand:** awxlumv **Price:** ¥3377 **Availability:** ✅ In Stock ## Summary > ❄️ Cool smarter, not harder — your tech’s new best friend! ## Quick Answers - **What is this?** 4PCS Heat Sink Kit 40x40x20mm/ 1.57"x1.57"x0.79", Anodized Aluminium Heatsink Heat Sync Cooler 40mm for Cooling CPU VRM GPU Led Thermoelectric Peltier Cooler 3D Printers Stepper Motor by awxlumv - **How much does it cost?** ¥3377 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/566771057-4pcs-heat-sink-kit-40x40x20mm-1-57x1-57x0-79-anodized) ## Best For - awxlumv enthusiasts ## Why This Product - Trusted awxlumv brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Precisely engineered 40x40x20mm dimensions fit seamlessly on CPUs, GPUs, 3D printer motors, and more. - • **Flawless Finish & Fit:** Smooth, scratch-free anodized surface with a thicker base plate for superior contact and easy installation. - • **Featherweight Efficiency:** At just 41 grams each, these heatsinks add minimal bulk while maximizing cooling impact. - • **Effortless Thermal Mastery:** Anodized 6063-T5 aluminum ensures rapid heat dissipation and corrosion resistance for long-lasting performance. - • **Versatile Cooling Solution:** Perfect for everything from NEMA17 stepper motors to thermoelectric Peltier coolers and LED devices—stay cool across your tech stack. ## Overview 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. ## Description Product Description 4Pcs Aluminum Heatsink Aluminum radiator has the advantages of beautiful appearance, light weight, good heat dissipation performance and energy saving effect. The surface of good aluminum radiator is anodized to increase the corrosion resistance, abrasion resistance and appearance of the aluminum surface treatment. In computers, heat sinks are used to cool central processing units or graphics processors. Heat sinks are used with high-power semiconductor devices such as power transistors and optoelectronics such as light emitting diodes (LEDs). Why Choose Awxlumv Heatsink? Dimension of Awxlumv Heatsink 1.57 x 1.57 x 0.79 inch (L*W*H) 40 x 40 x 20mm (L*W*H) Length: 40mm / 1.57inch Width: 40mm/ 1.57inch Height: 20mm/ 0.79 inch 40mm Anodized Aluminum Heatsink Number of fins: 11 Fin Style: Vertical Material: Extruded Aluminum 6063-T5 Base Board thicknesses: 4.2mm/ 0.17inch Fin thicknesses: 1.3mm/ 0.05inch Fin Spacing: 2.52mm/ 0.1inch Unit weight: 1.45 oz / 41 gram per piece Flatter base plate and tick enough base material. Package includes: anodized aluminum heat sink: 4 pcs 40mm aluminum heat sinks. 40mm aluminum heatsink kit, 40x40x20mm Heatsink Widely Application This 40mm heatsink kit is suitable for a variety of cooling applications such as 3D printer stepper motor NEMA17, PC chipset, power IC, power electric device, TEC1-12706 Thermoelectric module, LED light devices etc. 40mm (L) x 40mm (W) x 20mm (H) extruded aluminum heat sink kit is made from 6063-T5 aluminum alloy with high thermal conductivity, structure stability and light weight. These heatsinks is easy to install and efficient in heat conduction from power sources. This 40mm heatsink kit is suitable for a variety of cooling applications Note 1). The colors may have difference as the different display, please understand. 2). Please allow 1-2mm error due to manual measurement, please make sure you do not mind before you bid. You just put it on your Xbox 360, VGA card and other equipment. You need to check the size if you want to paste on another product. Review: Very nice - Well made words as expected Review: 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. ## Features - 1. Improved version 2024, 40mm anodized aluminum heat sinks, flatter base plate and thick enough base material. Smooth surface without scratches and burrs. - 2.Dimension: 1.57"x1.57"x0.79" (L*W*T) 40mmx40mmx20mm. - 3. Unit weight: 1.45 oz / 41 gram per piece; Base Board thicknesses: 4.2mm/ 0.17inch; Fin thicknesses: 1.3mm/ 0.05inch; Fin Spacing: 2.52mm/ 0.1inch - 4. This 40mm heatsink kit is suitable for cooling applications such as 3D printer stepper motor, NEMA17, TEC1-12706 Thermoelectric module, PC chipset, power IC, power electric device, LED light devices etc. For heat dissipation device, great function for heat dissipation reduces CPU and LAN. - 5. Thermal conductive glue adhesive is the excellent partner to install the heat sink (gel is not included in the package) ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | ## Product Details - **Brand:** Awxlumv - **Cooler heat sink material:** Aluminium - **Item weight:** 41 Grams - **Product dimensions:** 40L x 40W x 20H millimetres ## Images ![4PCS Heat Sink Kit 40x40x20mm/ 1.57"x1.57"x0.79", Anodized Aluminium Heatsink Heat Sync Cooler 40mm for Cooling CPU VRM GPU Led Thermoelectric Peltier Cooler 3D Printers Stepper Motor - Image 1](https://m.media-amazon.com/images/I/71ckHzxlgVL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very nice *by A***R on 26 March 2025* Well made words as expected ### ⭐⭐⭐⭐⭐ 40 x 40 x 20 heatsinks *by W***. on 19 April 2026* 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. ### ⭐⭐⭐⭐⭐ quality and inexpensive *by B***R on 22 August 2025* used with thermal epoxy to shape to my needs ## Frequently Bought Together - 4PCS Heatsink 40mm x 40mm x 20mm/ 1.57"x1.57"x0.79" Aluminium Heatsink Kit Sync Cooler Cooling Fins for Electronics Computer VRM Led Memory Chip Peltier Module 3D Printer Stepper Motor (40x40x20mm) - GENNEL G109 10gram Thermal Conductive Glue, Heatsink Silicone Glue, Thermal Plaster, Silicone Viscous Adhesive Compound for LED GPU MOSFET Printer Chipset IC High Performance - TEC1-12706 12V 60W 6A 40MMX40MM Heatsink Thermoelectric Cooler Cooling Peltier Plate Module 10pcs Compatible with Gaming Consoles/Devices --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/566771057-4pcs-heat-sink-kit-40x40x20mm-1-57x1-57x0-79-anodized](https://www.desertcart.jp/products/566771057-4pcs-heat-sink-kit-40x40x20mm-1-57x1-57x0-79-anodized) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-06*