4-Pin Molex 4-Way Fan Splitter Adapter – CPU, Case & Mining
4-Pin Molex 4-Way Fan Splitter Adapter – CPU, Case & Mining
4-Pin Molex to 4-Way Fan Splitter Adapter for CPU, Case & Mining Rigs
Expand your system's cooling capability without adding extra motherboard headers. This 4-Pin Molex to 4-Way Fan Splitter Cable lets you power up to four 3-pin or 4-pin fans simultaneously from a single Molex connector — perfect for PC cases, CPU cooling setups, and cryptocurrency mining rigs that demand maximum airflow.
Constructed with oxygen-free copper conductors, this adapter ensures minimal signal loss and stable power delivery to all connected fans. The black sleeved cable keeps your build looking tidy while standing up to everyday use inside a warm chassis.
Key Features
- 1 x 4-Pin Molex input → 4 x fan outputs — connect up to four fans from one power source
- Compatible with 3-pin and 4-pin fans — works with most standard case, CPU, and chassis fans
- Oxygen-free copper wiring — efficient power transfer and long-term durability
- Color: Black — blends seamlessly into dark-themed and stealth builds
- Ideal for mining rigs — drive multiple cooling fans from a single PSU Molex rail
- Plug-and-play installation — no tools or software required
What's in the Box
- 1 × 4-Pin Molex to 4-Way Fan Splitter Adapter Cable (Black)
Compatibility
Compatible with ATX power supplies featuring standard 4-pin Molex connectors. Works with virtually all 3-pin and 4-pin PC case fans, CPU cooler fans, and GPU/chassis fans used in desktop PCs, workstations, and open-frame mining rigs.
For more information on PC component safety and electrical standards, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What does this 4-Pin Molex fan splitter adapter do?
A: This 4-Pin Molex fan splitter adapter takes a single 4-pin Molex power connector from your PSU and splits it into four fan headers, allowing you to run up to four 3-pin or 4-pin cooling fans simultaneously — great for PC cases, CPU cooling towers, and mining rig builds.
Q: What type of fans is this Molex fan adapter compatible with?
A: This adapter is compatible with standard 3-pin and 4-pin PC fans, including case fans, CPU cooler fans, and chassis fans. It connects to any ATX power supply with a standard 4-pin Molex output connector.
Q: Why is oxygen-free copper used in this fan splitter cable?
A: Oxygen-free copper provides lower electrical resistance compared to standard copper, resulting in more efficient and stable power delivery to all connected fans — important when running multiple fans simultaneously from a single Molex rail.
Q: Is this fan adapter suitable for cryptocurrency mining rigs?
A: Yes. Mining rigs often require multiple fans for adequate airflow across GPUs and components. This 4-way splitter lets you power four fans from one Molex connector, simplifying cable management and reducing the number of PSU connections needed.