Deliver to Vietnam

For best experience Get the App

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan
KOREA

Customer Services

About Us

Customer Support

Large Aluminum Heat Sink 2.71"x2.71"x1.41"/ 69x69x36mm Heatsink High Power Cooling Plate 27 Fin Radiator GPU Cooler IC Module PC Computer Led PCB Charger Electronics Amplifier

Large Aluminum Heat Sink 2.71"x2.71"x1.41"/ 69x69x36mm Heatsink High Power Cooling Plate 27 Fin Radiator GPU Cooler IC Module PC Computer Led PCB Charger Electronics Amplifier

Q: I’m looking to cool a couple of thick film resistors that keep overheating. Can I cool more than one (2) with this heat sink?

I would think so. It depends on how much power they are dissipating and how much airflow is on the heatsinc

Q: Is this anodized? Also what is the alloy?

It's very shiny which might lead one to believe that it has been clear anodized because it doesn't have that dull grey look of raw aluminum that's been left out for a while. I have no clue about the alloy. The packaging says nothing about the finish or the alloy.

Q: Can you make anodized 200 x 138 x 36mm block? Thanks.

Hi 69x36mm HeatsinK, already all silver oxide item surface, you can use two side by side to dissipate heat for electronic products, thank you

Q: What is the thermal resistance of this heat sink in the 400mm version?

Short answer: About 0.4 oC/W/16in (still air). For others who purchased a different length, they will need to adjust this number. From my review below, a more detailed answer: I found a dimensionally-similar (2.581" wide instead of 2.71", 1.340" tall instead of 1.41" tall) heat sink in an online AAvid catalog, model # 83220. The AAvid heatsink specs were 1.01 oC/W/3in (still air), so I'm expecting this heatsink could be 10% better (lower). Note that if you bought a length other than 3", the thermal resistance does not scale linearly with 1/Length, assuming a centrally located thermal point source. For the 15.75" length I'm using, the improvement is only a 50% reduction in thermal resistance. Also note that the thermal resistance decreases (improves) with moving air. While the documentation I found for the #83220 did not provide thermal resistance versus air flow, I found another AAvid catalog and heatsink #72070 (dimensions 3.008" wide, 1.02" tall, similar fin aspect ratio, 1.4 oC/W/3in) that provided a thermal performance versus airflow table; for a modest airflow (quiet muffin fan) of ~700 LFM, the thermal resistance drops by about another 70%. Net result, for the 15.75 inch length option, operating with 700 LFM forced air flow, is expected to be about (1oC/W/3in * 90% * 50% * 30%) = 0.14oC/W. My heat source is distributed along the 15.75" length, rather than being a point source in the center, so I expect the actual performance to be 2-3x better (lower resistance) than the above calculation.

Product ID: 176450328

Secure Transaction

Details

Brand
Awxlumv
Cooler Heatsink Material
Aluminum
Product Dimensions
2.71"L x x
Cooler Heatsink Compatibility
Cooling for PC
Item Weight
6 Ounces

⚡Passive cooling tech

📏2.71" x 2.71" x 1.41" size

🔧27 fins for max cooling

Description

🔥 Keep it cool, keep it powerful!

SAFETY FIRST - Reduce hardware failure risks with effective passive cooling.
SLEEK DESIGN - Modern silver finish that complements any tech setup.
UNLEASH THE POWER - Maximize your device's performance with superior heat dissipation.
VERSATILE COMPATIBILITY - Perfect for GPUs, ICs, and more—your go-to cooling solution.
ENGINEERED FOR EXCELLENCE - Crafted from high-quality anodized aluminum for durability and efficiency.

This Large Aluminum Heat Sink measures 2.71" x 2.71" x 1.41" and features 27 fins designed for optimal heat transfer. Made from high-quality anodized aluminum, it provides passive cooling for various electronic components, ensuring safety and performance in your tech devices.

Have a Question? See What Others Asked

I’m looking to cool a couple of thick film resistors that keep overheating. Can I cool more than one (2) with this heat sink?

Is this anodized? Also what is the alloy?

Can you make anodized 200 x 138 x 36mm block? Thanks.

What is the thermal resistance of this heat sink in the 400mm version?

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products