Official Cooling Fan for Jetson Orin
Official Cooling Fan for Jetson Orin NX & Orin Nano — PWM Speed-Adjustable — Aluminum Alloy Enclosure The Waveshare Orin-FAN-PWM is the purpose-built active cooling solution for NVIDIA Jetson Orin...
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Official Cooling Fan for Jetson Orin NX & Orin Nano — PWM Speed-Adjustable — Aluminum Alloy Enclosure
The Waveshare Orin-FAN-PWM is the purpose-built active cooling solution for NVIDIA Jetson Orin NX and Jetson Orin Nano modules, spinning up to 5500 RPM via PWM control inside a rigid aluminum alloy shell. Pre-applied silicone grease, an elastic bracket, and height-limited screws are included for a secure, no-fuss installation directly onto your Orin module.
Key Highlights
- PWM Speed Control — The fan dynamically adjusts its RPM in response to the module's thermal load, running quietly at low speeds during idle tasks and ramping to full 5500 RPM under sustained AI inference or compilation workloads — extending component life by avoiding constant full-speed operation.
- Aluminum Alloy Enclosure — The rigid aluminum shell acts as a secondary heat spreader alongside the fan, wicking heat away from the module surface and dissipating it into the airstream more effectively than a plastic-bodied cooler.
- Pre-Applied Silicone Grease — Factory-applied thermal interface material on the heatsink base ensures maximum thermal conductivity between the fan unit and the Jetson module's heat spreader right out of the box — no additional paste or pads required.
- Elastic Bracket & Height-Limited Screws — The included elastic retention bracket and height-limited screws apply consistent, calibrated mounting pressure across the module surface, preventing over-tightening that could warp the PCB or crack the SoC package.
- Ultra-Low Power Draw — At only 0.65W (5V, 0.13A), this fan adds negligible load to the module's 5V rail, leaving full power headroom for the Orin's GPU, CPU, and DLA accelerators during peak inference runs.
- Dual-Module Compatibility — A single fan SKU fits both the Jetson Orin NX and Jetson Orin Nano module form factors, making it the ideal spare or upgrade component whether you are running the NX's or the Nano's AI performance tier.
- Short, Tidy Cable — The 37 ± 3mm cable routes neatly within compact enclosures without excess slack, reducing airflow obstruction and keeping your build clean when integrating the Orin into a product chassis.
- Official Waveshare Design — Engineered specifically for the Jetson Orin module footprint by Waveshare, ensuring precise dimensional alignment with the module's thermal pad and fan connector — no adapter brackets or modifications required.
Technical Specifications
| Specification | Details |
| Module Support | NVIDIA Jetson Orin NX module & Jetson Orin Nano module |
| Power Supply | DC 5V input |
| Power Consumption | 0.65W (5V / 0.13A) |
| Fan Speed | 5500 ± 10% RPM (PWM speed-adjustable) |
| Speed Control | PWM (Pulse Width Modulation) |
| Enclosure Material | Aluminum alloy |
| Structure | Embedded fan with aluminum alloy enclosure |
| Cable Length | 37 ± 3mm |
| Mounting | Elastic bracket with height-limited screws |
Common Applications & Use Cases
- AI Inference at the Edge — Sustained neural network inferencing on the Orin's DLA and GPU generates significant heat; the PWM fan scales cooling in real time, keeping the module below thermal throttle thresholds so AI pipelines run at full throughput continuously.
- Robotics & Autonomous Systems — Robots running continuous sensor fusion, path planning, and motor control demand stable long-session performance; active cooling prevents the thermal throttling that would introduce unpredictable latency spikes in time-critical control loops.
- Industrial Machine Vision — High-frame-rate camera pipelines processing multiple streams simultaneously push CPU and GPU cores hard; the aluminum alloy heatsink and fan combination sustains thermal headroom even inside warm industrial enclosures.
- Smart Retail & Security Analytics — Always-on video analytics systems analyzing customer behavior or detecting security events operate 24/7; reliable active cooling ensures no performance degradation during extended deployment periods.
- Drone & UAV Payload Computers — UAV applications demanding compact, lightweight compute with sustained AI processing benefit from the fan's efficient 0.65W power draw, adding minimal weight and power overhead to the payload budget.
- Natural Language Processing & LLM Inference — Running compressed large language models on-device at the edge is thermally intensive; the PWM fan ramps up during inference bursts and backs off during idle, balancing noise and cooling efficiency automatically.
- Embedded Linux Development — Compiling kernels, building Docker containers, and running cross-compilation tasks saturate all CPU cores; active cooling prevents throttling during long build sessions that passive heatsinks alone cannot sustain.
- Multi-Sensor IoT Gateways — Edge gateways aggregating data from dozens of sensors and running local pre-processing algorithms need stable, continuous compute; this fan keeps the Orin Nano running cool even in ambient-temperature-challenged server room environments.
- Medical & Scientific Imaging — Image reconstruction and on-device analysis in portable medical devices or lab instruments requires consistent processor performance without throttle-induced computation errors; active cooling is the safest way to guarantee that.
- Custom OEM Product Integration — OEM designers building Orin NX or Orin Nano into product housings benefit from the fan's short cable and compact aluminum body, which fits cleanly inside constrained mechanical envelopes without requiring a bespoke thermal solution.
What's in the Box
- 1× Waveshare Orin-FAN-PWM Cooling Fan (aluminum alloy enclosure, pre-applied silicone grease)
- 1× Elastic bracket with height-limited mounting screws
Note: NVIDIA Jetson Orin NX and Jetson Orin Nano modules are NOT included and are sold separately. Carrier boards, USB cables, and power adapters are also not included.
Frequently Asked Questions
Which Jetson modules is the Orin-FAN-PWM compatible with?
The Waveshare Orin-FAN-PWM is designed specifically for the Jetson Orin NX and Jetson Orin Nano module form factors. It is not compatible with the larger Jetson AGX Orin, the original Jetson Nano, Jetson Xavier NX, or any other older Jetson module variants, as those use different thermal pad dimensions and connector placements. Always verify your specific module revision against Waveshare's compatibility notes before ordering.
How does PWM speed control work, and can I adjust it from software?
PWM (Pulse Width Modulation) varies the duty cycle of the power signal to the fan motor, directly controlling its RPM between a low-noise idle speed and the full 5500 RPM maximum. NVIDIA's Jetson Linux BSP exposes fan control via the tegra-thermal driver; you can read and write the target PWM value through sysfs nodes (typically under /sys/devices/platform/pwm-fan/) or use tools like jetson_clocks and nvpmodel to set thermal profiles. The fan also responds automatically to the module's built-in thermal management daemon, which adjusts speed based on die temperature readings.
What is the silicone grease for, and why shouldn't I touch it?
The pre-applied silicone grease (thermal interface material) fills microscopic air gaps between the fan unit's base and the Jetson module's metal heat spreader, dramatically improving heat transfer compared to a dry metal-to-metal contact. Touching it with bare fingers introduces skin oils that lower thermal conductivity and create uneven coverage, resulting in hot spots and higher operating temperatures. If the grease is accidentally contaminated, clean it with isopropyl alcohol and apply fresh thermal paste before mounting.
How do I install the fan on my Jetson Orin module?
Installation takes only a few minutes. Place the fan unit onto the Jetson module with the silicone grease side facing the module's heat spreader surface. Secure it using the included elastic bracket and height-limited screws — the height-limited design prevents over-tightening automatically, so you can tighten fully without any risk of damaging the module. Finally, connect the fan cable to the designated fan header on your carrier board. No tools beyond a small screwdriver are required.
What are the power requirements — will it overload my carrier board's fan header?
The fan draws 0.65W at 5V (0.13A), which is well within the current capacity of the standard PWM fan header found on all Jetson Orin-compatible Waveshare and third-party carrier boards. Most fan headers are rated for 0.5A–1A, so this fan leaves significant current headroom. No external power supply, voltage regulators, or inline resistors are needed — simply plug the fan cable directly into the carrier board's fan connector.
Does this fan work on all operating systems supported by the Jetson Orin?
Yes — fan speed is managed by the Jetson Linux BSP (JetPack) at the kernel driver level, so it works on any OS distribution running the official JetPack SDK, including Ubuntu 20.04 and 22.04. The thermal management daemon that drives the PWM signal operates regardless of whether you are running stock Ubuntu, a custom embedded Linux image, or containerized workloads. Windows and macOS are not supported on Jetson hardware.
Will this fan fit inside my existing Jetson Orin enclosure or case?
The Orin-FAN-PWM is sized to mount directly onto the Jetson Orin NX and Orin Nano module and is the standard cooling solution included in Waveshare's own aluminum alloy Orin enclosures. For third-party or custom cases, check that there is adequate vertical clearance above the module for the fan height plus airflow space. The short 37mm cable is designed for tight internal routing, and on open-frame carrier board setups the fan fits without any chassis modification.
Does this fan work with the Jetson AGX Orin or older Jetson modules?
No — the Orin-FAN-PWM is designed exclusively for the Jetson Orin NX and Orin Nano module footprint. The Jetson AGX Orin is a larger module with a different heatsink interface requiring AGX-specific cooling accessories. Older modules such as the original Jetson Nano and Jetson Xavier NX also use different dimensions and are incompatible. Waveshare offers separate dedicated fans for those platforms — for example, the FAN-4020-PWM-5V for the original Jetson Nano.
What happens if I run the Jetson Orin without any active cooling?
Without active cooling, the Jetson Orin NX and Orin Nano will reach their thermal throttle threshold within minutes under sustained AI or compute workloads. The Jetson Linux thermal management system automatically reduces CPU, GPU, and DLA clock speeds to protect the silicon — noticeably degrading performance. Under worst-case conditions (high ambient temperature, maximum workload, no airflow), the module may trigger a thermal shutdown to prevent permanent damage. NVIDIA and Waveshare both recommend active cooling for any sustained workload beyond light desktop use.
Are any additional accessories required to use this fan?
No additional accessories are required for basic installation — the elastic bracket, height-limited screws, and pre-applied thermal grease are all included. You will need a compatible Jetson Orin NX or Orin Nano module and a carrier board that provides a 5V PWM fan header. If your carrier board lacks a dedicated fan connector, the fan can be powered directly from the board's 5V rail, though PWM speed control would then require additional wiring. No soldering or modification to the Jetson module itself is ever needed.
