4-Pin Fan Simulator Emulator for Antminer S19 L7 KA3 D9 D7

Keep Your Antminer Running Without a Fan

This compact 4-Pin Mining Fan Simulator Emulator is the perfect plug-and-play solution for cryptocurrency miners who need to bypass fan error alerts on their Antminer rigs. Simply plug it in and your miner will behave as if a fan is connected — no software changes, no complicated setup required. Made in Mainland China.

Why Miners Love This Fan Emulator

• Broad Compatibility: Works with all Antminer series including S19, S19 Pro, D9, D7, L7, KA3, and more.
• Plug and Play: No tools or technical expertise needed — just insert into the 4-pin fan header and you're done.
• Compact & Durable: Built from plastic and metal for reliable, long-lasting performance. Compact size of 4.5 × 2 cm (1.77 × 0.78 in) fits neatly inside your miner chassis.
• Error-Free Operation: Eliminates fan error codes so your mining hardware keeps hashing without interruption.
• Cost-Effective: An inexpensive accessory that can save you from costly downtime or miner shutdowns.

Product Specifications

• Material: Plastic + Metal
• Color: Green
• Size: 4.5 × 2 cm / 1.77 × 0.78 in
• Connector Type: 4-Pin
• Compatibility: Antminer S19, S19 Pro, D9, D7, L7, KA3, and all compatible series
• Package Includes: 1 × Fan Simulator Emulator
• Country of Origin: Made in Mainland China

Important Notes

• Please refer to the description for size details — product images may not reflect actual size.
• Allow 5–10 mm tolerance due to manual measurement.
• Colors may vary slightly due to monitor settings, lighting, and display calibration.

Related Products You May Like

Looking to expand your mining or electronics setup? Check out these related items:

• 1 to 5 SATA Power Splitter Cable 18AWG | HDD SSD Extension
• 1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor

External Resource

For guidance on electrical component safety and electronics handling, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What is a 4-pin mining fan simulator emulator and how does it work?

A: A 4-pin mining fan simulator emulator is a small plug-in device that mimics the signal of a connected fan to your Antminer's motherboard. When inserted into the 4-pin fan header, it tricks the miner into thinking a fan is present, preventing fan error shutdowns and allowing the miner to continue operating normally.

Q: Which Antminer models is this fan emulator compatible with?

A: This fan simulator emulator is compatible with all Antminer series, including the S19, S19 Pro, D9, D7, L7, and KA3, as well as other models that use a standard 4-pin fan connector.

Q: Is this fan emulator difficult to install?

A: Not at all! This is a true plug-and-play device. Simply locate the 4-pin fan header on your Antminer, plug the emulator in, and your miner will recognize it instantly — no software installation or technical skills required.

Q: Will using a fan emulator damage my Antminer?

A: This emulator is designed specifically for Antminer hardware and simply simulates a fan signal. However, always ensure your mining environment has adequate cooling, as removing physical fans may affect airflow and hardware temperature management.