BITMAIN Antminer 4 in Fan Duct 120mm Adapter - High Temp 6 Pack

In this review the reviewer examines a 6-piece set of 4 in fan ducts designed for many Antminer models and similar miners. The bottom line: this kit is for miners who need a ready-made, factory produced adapter to mount a 120mm fan or vent hose to the miner exhaust without relying on printed parts. It is appealing because the ducts are produced in a factory rather than 3d printed, which yields consistent fit and finish and makes installation straightforward for routine maintenance and cooling upgrades.

Key Features

• Compatible fit: Works with a long list of Antminer models so users can replace damaged ducts or standardize cooling across multiple machines.
• 120mm fan support: Accepts common 120mm fans, allowing use of high-performance or quieter fans to improve airflow through the miner.
• Factory produced: Not 3d printed, which provides consistent dimensions and surface quality across all six pieces in the pack.
• Vent hose ready: Designed to mate with vent hoses, enabling directed exhaust routing from the miner to an external ducting path.
• Bulk pack: Six pieces in one set make it practical for shops or large rigs where multiple machines need the same adapter.

Who It's For

This product is best for cryptocurrency miners, hobbyists, and small mining operations that run Antminer models such as S9, T9, L3+, S17, DR3 and others listed in the description and who want a durable, factory-made fan duct to mount a 120mm fan or hose. It fits users who prefer a straightforward replacement part that avoids the variability of custom printed adapters and who maintain several machines at once.

Those who should look elsewhere include buyers who need a duct with integrated mounting hardware, proprietary seals, or a model-specific custom shape not listed in the product description. If a user expects a different material or a bespoke printed appearance, a custom solution may be more appropriate.

Pros & Cons

Pros

• Factory production yields consistent fit and finish across all six ducts in the pack.
• Broad model compatibility simplifies stocking and replacement for mixed rigs.
• Supports standard 120mm fans and common vent hoses for flexible cooling upgrades.
• Six-piece quantity is convenient for multiple machines or spare parts storage.

Cons

• Durability received mixed feedback from customers, so heavy industrial use may expose wear sooner than expected.
• Some buyers prefer 3d printed custom shapes, so the standardized factory design may not fit every unique setup.

Specifications

Product type	4 in fan duct adapter for 120mm fan
Fits models	DR3, L3+, S9, S9i, S9J, S9 SE, S11, T15, S15, Z11, S17+, S17 Pro, S17e, T19, S19, S19J Pro, DR5, D7, Z9
Pack quantity	6 pieces
Production	Factory produced (not 3d printed)
Fan size supported	120mm
Primary use	Miner exhaust ducting and fan mounting

Our Verdict

The 6-piece BITMAIN Antminer 4 in fan duct set is a useful, value-oriented choice for operators who need reliable, factory-made adapters to fit 120mm fans and vent hoses across many Antminer models. It is not a custom printed part, so buyers get consistent sizing and easier swaps across multiple machines; those seeking tailor-made shapes or confirmed heavy-duty longevity should verify material performance for their specific environment.

Frequently Asked Questions

Will this fit my 120mm fan?
Yes, the adapter is designed for standard 120mm fans and to accept common vent hoses for directed exhaust.

Is this product 3d printed?
No, the listing specifies these ducts are factory produced rather than 3d printed, which improves consistency.

How many pieces come in a pack?
This set includes six identical fan ducts, convenient for multiple miners or spares.