5 Pack 4-Pin PWM Fan Splitter Cable, Sleeved Braided Adapter Computer PC Fan Power Extension Cable Converter for Computer ATX Case 4-Pin/3-Pin Cooling Fan Cable (10.6")
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AI Verdict
The title says 'splitter', but these are actually just 10.6-inch 1-to-1 fan extension cables, perfect for reaching distant headers in large cases.
If you need to extend a single fan's reach by 10.6 inches, these provide a cheap and clean-looking solution. If you actually need a splitter to run multiple fans off one header, this product is completely useless.
If you need to connect multiple fans to one header, look for a '1 to 3 PWM fan splitter' or a dedicated SATA-powered fan hub.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- 10.6-inch length provides enough reach for routing behind the motherboard tray.
- Black nylon braided sleeving hides multi-colored stock wires.
- Supports both 4-pin PWM and 3-pin DC fans without modification.
- Includes five cables in the pack, enough for a standard ATX build.
Cons
- The product title falsely claims these are splitters; they are strictly 1-to-1 extension cables.
- Connectors lack a locking clip and feel loose, requiring electrical tape to secure.
- Stiff heat shrink at the connector ends makes tight 90-degree bends difficult.
Dimension Scores
Carries the PWM signal and power perfectly for a single fan without voltage drop.
It is a passive cable that makes zero noise and passes the PWM fan curve signal flawlessly.
The nylon braiding is decent, but the plastic connectors feel loose and lack a locking mechanism.
The 10.6-inch length is great for routing, but the stiff heat shrink makes tight corners tricky.
Best For
- Routing front intake fans behind the motherboard tray in mid-tower or full-tower cases.
- Hiding multi-colored stock fan wires behind a clean black braided sleeve.
- Reaching bottom-mounted intake fans that are too far from the motherboard headers.
Not Recommended For
- Connecting multiple fans to a single motherboard header (it is not a splitter).
- Ultra-compact mini-ITX builds where 10.6 inches of extra cable creates clutter.
Watch Out For
- The title is completely misleading — these are 1-to-1 extension cables, not 1-to-2 or 1-to-3 splitters.
- The male ends lack a locking clip, so they pull apart easily if you tug on the cable during routing.
- Plugging a 3-pin fan into this 4-pin cable works, but you lose PWM speed control and the fan runs via DC voltage.
Full Specifications
| ASIN | B07M5P7VHH |
| Brand | ThreeBulls |
| Color | 1 to 1,5 Pack |
| Item Weight | 1.06 ounces |
| Plug Format | Type A |
| Manufacturer | ThreeBulls |
| Connector Gender | Male-to-Female |
| Item model number | 8541606341 |
| Package Dimensions | 4.84 x 3.7 x 0.67 inches |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Reviews are flooded with complaints about the misleading title, as these are strictly 1-to-1 extensions. Builders who actually wanted extensions highlight the black braided sleeving for hiding ugly stock wires. A recurring issue is the loose connection between the male and female ends, prompting many to use electrical tape to secure the plugs. The 10.6-inch length provides exactly enough slack to route front intake fans behind the motherboard tray.
“Bought these thinking I could run two fans off one header because of the title, but they are just extensions... kept them anyway because the braiding looks nice, just tape the ends so they don't fall apart.”
Common Praise
- Black nylon sleeving looks much better than bare wires.
- 10.6-inch length is perfect for reaching across an ATX motherboard.
- Cheap way to get five extensions for a full case build.
- Passes the PWM signal flawlessly to 4-pin fans.
Common Complaints
- Title is false advertising — it does not split the signal.
- Connectors fit loosely and can disconnect during cable management.
- Heat shrink at the ends is a bit stiff.
- Pins on the male end can bend easily if you aren't careful.
Ownership Tips
- The connection can vibrate loose over time if not secured with tape or zip ties.
- The braided sleeve catches dust easily but wipes clean with a microfiber cloth.
- Stiff heat shrink at the connector ends makes 90-degree bends right at the plug impossible.
Frequently Asked Questions
Is this actually a splitter that lets me plug two fans into one header?
No. The title is wrong. This is a 1-to-1 extension cable that only extends the reach of a single fan.
Will this work with my 3-pin case fans?
Yes, the 4-pin connector is backwards compatible with 3-pin fans. 3-pin fans will run via DC voltage control instead of PWM.
How long is each cable?
Each cable measures 27cm, or exactly 10.6 inches from end to end.
Can I daisy chain two of these together for a 21-inch reach?
Yes, you can plug them into each other. Be aware that the connection between the two cables might be slightly loose.
Does the sleeving cover the wires all the way to the connector?
Mostly, but there is a small amount of heat shrink tubing at the ends where the colored wires might slightly peek through if bent sharply.
Buying Guide
When buying fan cables, you need to know the difference between a splitter, a hub, and an extension. This product is strictly an extension — it takes one fan and makes the wire 10.6 inches longer. It will not let you add more fans than your motherboard has headers for. Always check your motherboard manual to see how many fan headers you actually have before buying.
4-Pin PWM vs 3-Pin DC
4-pin cables carry a special signal that lets your motherboard precisely control fan speed. 3-pin cables just use raw voltage, like dimming a lightbulb.
1-to-1 vs 1-to-2/3
1-to-1 just makes a cable longer. 1-to-2 splits the signal so two fans can share one motherboard plug.
Braided Sleeving
It acts like a tiny woven jacket for the wires. It stops them from snagging on sharp metal case edges and hides ugly wire colors.
Alternatives
If you actually need to connect multiple fans to a single header, search for a 'PWM fan splitter Y-cable' or a 'SATA powered PWM fan hub'.
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