4-in-1 Fan Speed Simulator for Antminer S19 series L7 D7 E9 Pro
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4-in-1 Fan Speed Simulator – Antminer S19 / L7 / D7 / E9 Pro & Iceriver KS Series
Swap your stock fans for water cooling, a silencer blower, or immersion hardware without triggering safety shutdowns. This 4-in-1 fan speed simulator emulates normal RPM signals on all four fan headers at once, keeping your miner firmware satisfied while an alternative cooling solution handles the thermals. Compatible with Antminer S19 series, L7, D7, E9 Pro and Iceriver KS5L, KS3L, KS3M, KS3, KS2, KS1.
Universal Compatibility Across Antminer & Iceriver Models
Most ASIC miners monitor every fan channel independently — if a single channel reports zero RPM, the board halts. The 4-in-1 design covers all channels with one device, so you do not need separate simulators for each header. Plug it in, remove the fans, and connect your cooling system of choice: closed-loop water block, external blower, or full immersion tank.
Plug-and-Play Installation, No Firmware Modification
The simulator connects directly to the standard 4-pin fan headers. No kernel patch, no SD card flash, and no soldering required. If you ever want to return to air cooling, simply unplug the simulator and reconnect the original fans. The device also works alongside silencers and aftermarket water-cooling plates for a hybrid setup.
4-in-1 Fan Simulator Specifications
| Feature | Specification |
|---|---|
| Channels | 4-in-1 |
| Antminer Compatibility | S19 series, L7, D7, E9 Pro |
| Iceriver Compatibility | KS5L, KS3L, KS3M, KS3, KS2, KS1 |
| Function | Fan speed emulation / spoofer |
| Cooling Support | Water, silencer, immersion |
| Installation | Plug-and-play |
Related Fan Simulators & Cooling Accessories
- S21/T21 Fan Speed Simulator
- Iceriver Fan Simulator (RX0/KS1–KS5L)
- S19K Pro 4-in-1 Fan Simulator
- APW12 PSU Fan Speed Simulator
Outfitting a multi-brand mining farm with alternative cooling? Contact us at contact@lys-sz.com for simulator bundles and volume pricing.
Worldwide shipping from our Shenzhen warehouse.
Shipping & Customs
🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.
🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
