---
product_id: 268467533
title: "Geekworm C235 12mm Embedded Aluminum Heatsink for Raspberry Pi CM4 - Precision Fit, Passive & 30mm Fan Support, Includes Thermal Pad & Screws"
brand: "geekworm"
price: "€ 20.10"
currency: EUR
in_stock: true
reviews_count: 10
category: "Geekworm"
url: https://www.desertcart.hr/products/268467533-geekworm-c235-12mm-embedded-aluminum-heatsink-for-raspberry-pi-cm4
store_origin: HR
region: Croatia
---

# All-in-one installation kit included 12mm embedded aluminum heatsink Supports passive & 30mm fan active cooling Geekworm C235 12mm Embedded Aluminum Heatsink for Raspberry Pi CM4 - Precision Fit, Passive & 30mm Fan Support, Includes Thermal Pad & Screws

**Brand:** geekworm
**Price:** € 20.10
**Availability:** ✅ In Stock

## Summary

> ❄️ Keep your CM4 cool, calm, and connected — because overheating is so last season!

## Quick Answers

- **What is this?** Geekworm C235 12mm Embedded Aluminum Heatsink for Raspberry Pi CM4 - Precision Fit, Passive & 30mm Fan Support, Includes Thermal Pad & Screws by geekworm
- **How much does it cost?** € 20.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/268467533-geekworm-c235-12mm-embedded-aluminum-heatsink-for-raspberry-pi-cm4)

## Best For

- geekworm enthusiasts

## Why This Product

- Trusted geekworm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Comes with pre-cut thermal pads, screws, and nuts for a quick, hassle-free installation—get your CM4 cooled in minutes.
- • **Dual-Mode Thermal Control:** Seamlessly switch between whisper-quiet passive cooling and powerful active fan mode for overclocking.
- • **Precision-Crafted Cooling:** Tailored fit for Raspberry Pi CM4 ensures optimal heat dissipation without compromise.
- • **Compact & Connectivity-Friendly:** Low-profile design with pre-drilled antenna holes keeps your WiFi/GPS signals strong and interference-free.
- • **Reliable Performance Under Load:** Premium aluminum casing and thermal pads maintain stable operation even during intense processing tasks.

## Overview

The Geekworm C235 is a precision-engineered 12mm aluminum heatsink designed exclusively for the Raspberry Pi Compute Module 4. It offers versatile cooling with passive fins and optional 30mm fan support, ensuring your CM4 runs efficiently under both everyday and high-performance conditions. Its compact, low-profile design preserves antenna connectivity, while the included thermal pads and mounting hardware simplify installation. Ideal for professionals demanding reliable thermal management without sacrificing space or signal integrity.

## Description

Geekworm C235 12mm Embedded Aluminum Heatsink for Raspberry Pi CM4 - Precision Fit, Passive & 30mm Fan Support, Includes Thermal Pad & Screws : desertcart.co.uk: Business, Industry & Science

Review: Decent heatsink, useless mounting kit. - The heatsink itself appears both well machined and finished. It comes supplied with a small amount of heatsink tape - sufficient to cut two appropriately sized pieces for the two chips (cpu and memory), to which the heatsink is applied, and fixing screw/nuts. However, this is for a Raspberry Pi Compute Module (CM4 in this case), and the manufacturer appears to have failed to take into account that the compute module is mounted to a carrier board and, consequently, supplied screws which are too short once the module is mounted to the carrier board. Sure, you could use them to fix the heat sink to the module prior to mounting it - but then the nuts are too thick to allow the module to successfully seat into the socket on the carrier board. The supplies screws are totally useless. Luckily I had sufficiently long screws to hand to replace them - but not everyone will, so bear this in mind. Also, mounting the heatsink would also benefit from 1.5mm plastic washers to sit between the module and the carrier board where the mounting screws pass through both boards - without these it would be very easy to warp the module through over-tightening the screws. tldr: It's a decent heatsink let down by an utterly useless mounting kit - something that could be fixed very easily and cheaply.
Review: Exactly what I needed - Needed a better way than having a fan next to my CM4 and a little heatsink on the CPU, and the ones I was looking at were imported from China and a lot thinner than this one. Fitting it was easy, it only goes on one way. I've not attached a fan to it at the moment as it keeps it cool on its own (there is a system fan near by that helps). However I did use my own thermal paste, the pads that they give are impossible to remove the protective plastic without tearing it making it useless. This is a must must for any CM4 owner

## Features

- 【Precision Cooler Designed for CM4】 Specifically tailored for the Raspberry Pi Compute Module 4 (CM4), ensuring a precise fit. A 12mm embedded aluminum heatsink provides efficient cooling while protecting core components.
- 【Dual-Mode Flexible Cooling】 Features an efficient passive cooling design with dense fins. It also supports the addition of a 30mm cooling fan (models 3007/3010) for active cooling in overclocking or sustained high-performance applications, balancing power consumption and quiet operation.
- 【Easy Installation】The package includes all necessary accessories: a pre-cut CPU thermal pad, four PM2.5x16mm screws, and four M2.5 nuts. Quick and safe installation saves time and effort.
- 【Optimized Space and Antenna Interface】 This compact (54x39x12mm) low-profile cooler avoids interfering with surrounding components. Pre-drilled antenna connectors ensure seamless connection of the WiFi/GPS module, maintaining optimal signal strength.
- 【Reliable Performance and Compatibility】 The premium aluminum casing effectively dissipates CPU heat. The included thermal pads ensure good heat dissipation contact, contributing to stable operation and preventing performance degradation under high loads.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QMTVCJW |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 64,890 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 173 in Computer Heatsinks |
| Customer Reviews | 4.4 4.4 out of 5 stars (94) |
| Date First Available | 8 Dec. 2020 |
| Item Package Quantity | 1 |
| Item Weight | 20 g |
| Item model number | C235 |
| Manufacturer | Geekworm |
| Material | Aluminium |
| Part number | TB-2020-14 |
| Plug profile | Chassis Mount |
| Product Dimensions | 5.4 x 3.9 x 1.2 cm; 20 g |

## Product Details

- **Brand:** Geekworm
- **Cooler heat sink material:** Aluminium
- **Cooler heatsink compatibility:** Raspberry Pi Compute Module 4 CM4
- **Mounting type:** Chassis Mount
- **Product dimensions:** 5.4L x 3.9W x 1.2H centimetres

## Images

![Geekworm C235 12mm Embedded Aluminum Heatsink for Raspberry Pi CM4 - Precision Fit, Passive & 30mm Fan Support, Includes Thermal Pad & Screws - Image 1](https://m.media-amazon.com/images/I/61gNFewKWHL.jpg)

## Customer Reviews

### ⭐⭐⭐ Decent heatsink, useless mounting kit.
*by R***H on 15 May 2025*

The heatsink itself appears both well machined and finished. It comes supplied with a small amount of heatsink tape - sufficient to cut two appropriately sized pieces for the two chips (cpu and memory), to which the heatsink is applied, and fixing screw/nuts. However, this is for a Raspberry Pi Compute Module (CM4 in this case), and the manufacturer appears to have failed to take into account that the compute module is mounted to a carrier board and, consequently, supplied screws which are too short once the module is mounted to the carrier board. Sure, you could use them to fix the heat sink to the module prior to mounting it - but then the nuts are too thick to allow the module to successfully seat into the socket on the carrier board. The supplies screws are totally useless. Luckily I had sufficiently long screws to hand to replace them - but not everyone will, so bear this in mind. Also, mounting the heatsink would also benefit from 1.5mm plastic washers to sit between the module and the carrier board where the mounting screws pass through both boards - without these it would be very easy to warp the module through over-tightening the screws. tldr: It's a decent heatsink let down by an utterly useless mounting kit - something that could be fixed very easily and cheaply.

### ⭐⭐⭐⭐ Exactly what I needed
*by S***E on 11 May 2021*

Needed a better way than having a fan next to my CM4 and a little heatsink on the CPU, and the ones I was looking at were imported from China and a lot thinner than this one. Fitting it was easy, it only goes on one way. I've not attached a fan to it at the moment as it keeps it cool on its own (there is a system fan near by that helps). However I did use my own thermal paste, the pads that they give are impossible to remove the protective plastic without tearing it making it useless. This is a must must for any CM4 owner

### ⭐⭐⭐⭐ 15° cooler than nothing!
*by S***E on 16 May 2021*

This heatsink does a reasonable job of keeping the temperature of my CM4 down. Without, typical running temperature is about 75°C, going up to 80° with even a slight load (the CM4 runs much hotter than I expected!). With the heatsink the temperature hovers around 60° (no fan). It would be nice if there were a version with longer fins, but this is still a better option than some of the other existing alternatives.

## Frequently Bought Together

- Raspberry Pi CM4 12mm Aluminum Heatsink/Cooler/Radiator/Protective Shell Support 30mm Fan (C235)
- Raspberry Pi 5 (8GB)
- Waveshare Compatible Antenna for Raspberry Pi Compute Module 4/5, Supports 2.4G/5G WiFi Frequency Band, External Antenna For CM5/CM4/ESP32, with SMA Male Central Pin Connector

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-05*