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C519
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[[File: C519-V1.1-IMG-9116-size.jpg|thumb|right|C519 V1.1 Raspberry Pi CM5 Heatsink]][[File: C519-IMG-9116-size.jpg|thumb|right|C519 V1.0 Raspberry Pi CM5 Heatsink]]
[[File: C519-IMG-9111-Fan.jpg|thumb|right|C519 Raspberry Pi CM5 Heatsink]]
[[File: C519-IMG-9111.jpg|thumb|right|C519 Raspberry Pi CM5 Heatsink]]
[[File: C519-IMG-9120.jpg|thumb|right|C519 Raspberry Pi CM5 Heatsink]]
[[File: C519-IMG-9183-1.jpg|thumb|right|C519 Raspberry Pi CM5 Heatsink]]
[[File:X1500-IMG-9236.jpg|thumb|right|C519 Raspberry Pi CM5 Heatsink with X1500/X1501 IO Board]]
==Overview==
This 12mm 15mm thickness aluminum alloy heatsink (C519) is specially designed for Raspberry Pi Compute Module 5 CM5 Motherboard. Made with high-quality aluminum alloy materials, it provides efficient heat dissipation, keeping your device cool even during intensive use. Increase the lifespan of your Raspberry Pi with this essential accessory. It is an efficient, silent and easy-to-install cooling solution for users seeking stability and flexibility. <span class="tb_red">Update:</span> To make installation easier, '''the width of the C519 was changed from 45mm to 41mm in August 2025''', while other specifications remained unchanged. Currently, there are two versions of the C519 available: the '''C519 V1.0''', which is a '''45mm''' wide cooler, and the '''C519 V1.1''', which is a '''41mm''' wide cooler.[[File:C519-IMG-8756-compare.jpg|700px|none|C519 V1.1 VS C519 V1.0]]
==Test Data==
*'''Test result''' reference to: [[File:Cpu temp C519.log|none]]
*'''Test Conclusion''': In a '''ventilated environment''', C519 can meet the heat dissipation requirements of CM5 under heavy load.
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[[File: C519-IMG-9120-Cooling-Fins.jpg|700px]]
{{Geekworm Cooler}}
==Features==
* '''Model:''' C519
* '''Precision Fit:''' Designed exclusively for the Raspberry Pi Compute Module 5 only.
* '''Wave-shaped Cooling Fins:''' 14pcs 10mm thickness wave-shaped cooling fins, maximizes heat dissipation for stable and reliable performance.* '''Fanless Design:''' Increase the heat dissipation areaEnsures silent, thus improving noise-free performance without fan life issues* '''Support Fan Expansion:''' Fan mounting holes are reserved for fan installation to further improve the heat dissipation capacityeffect.* '''Efficient CoolingWireless Cutout design:''' Maximizes heat dissipation for stable Reserved cutouts to reduce WiFi interference and reliable performancefacilitate antenna connection.
* '''Premium Build:''' Constructed from durable and thermally conductive aluminum.
* '''Easy Installation:''' No complicated tools required – simply install and secure.
* '''Compact Design:''' Space-efficient, without blocking any essential components
* '''Wide Application:''' Compatble with official Raspberry Pi IO board, Geekworm [[X1500]] / [[X1501]] IO Carrier Board
* '''Dimension:''' 45x55x15 mm / 1.77x2.17x0.59 inch
* '''Net weight:''' 42g/ 0.09 lb
==Packing List==
==Installation Guide==
<span class="tb_red">'''Installation Tips for C519 & X1500/X1501: '''</span>
Since both the C519 heatsink and PCB holes are threaded, proper alignment and minimal spacing are crucial during assembly. Carefully align the C519 with the PCB mounting holes, press down firmly until the heatsink touches the PCB, then tighten the screws.
[[File:C519-IMG-9181-Thermal-Pad.jpg|700px]]
[[File:C519-IMG-9184-1-WiKi.jpg|700px]]
==FAQ==
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Q1: Question 1Does the C519 heatsink fit all CM5 IO boards, including third-party ones like the Waveshare CM5 POE IO Board/CM5-IO-BASE-A?
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A: Place The C519 heatsink fits the answer here[https://www.raspberrypi.com/products/compute-module-5-io-board/ official Raspberry Pi CM5 IO board] without issues. However, compatibility with third-party IO boards may vary. For example, on the Waveshare CM5 POE IO Board, the heatsink may interfere with the POE circuit's square inductor. In such cases, slight modification (e.g., trimming a small notch with a Dremel) might be needed to achieve proper fitment. Also not support Waveshare CM5-IO-BASE-A. Please check the layout of your IO board and C519 size before installation.
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