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⚡ Power your rig with stealth and style — no PSU Molex needed!
The CRJ 3-Pin Fan Header to 12V 4-Pin Molex Power Adapter Cable is a 12-inch sleeved cable designed to power 12V 4-pin peripheral devices directly from modern ATX motherboard fan headers. Featuring all-black connectors and high-density sleeving, it offers a clean, minimal look while supporting high output current from fan headers like ASUS W_PUMP+. Ideal for powering water pumps and other 12V devices without relying on traditional PSU Molex connections, this RoHS-compliant cable ensures efficient, discreet power delivery with easy installation.
| ASIN | B09WPSXGTK |
| Best Sellers Rank | #89,781 in Electronics ( See Top 100 in Electronics ) #1,845 in Audio & Video Power Cables |
| Brand | CRJ Electronics |
| Brand Name | CRJ Electronics |
| Cable Type | Fan Header Cable |
| Connector Type | 3-pin Fan, 4-pin Molex |
| Customer Reviews | 4.5 out of 5 stars 46 Reviews |
| Item Length | 12 inches |
| Item Weight | 0.01 kg |
| Manufacturer | CRJ Electronics |
| Material | Polycarbonate (PC) |
| Material Type | Polycarbonate (PC) |
| Model | 4058 |
| Number of Items | 1 |
| Part Number | 4058 |
| Recommended Uses For Product | Powering 12V 4-pin devices from a PC's fan header |
| UPC | 850028770047 |
| Unit Count | 1 Count |
| Wire Diameter | 0.64 millimeters |
P**O
Adequate power 👌🏼
This worked great! I connected it to a Noctua silencer cable and then to my video card exhaust fan. Plenty of power to my fan without issue.
M**I
Perfect description
Came as described
F**A
Works as advertised!
Works as advertised. Molex to 3-pin. You don't have fan speed control since it's 3-pin just like it says.
A**D
No issues
Working as expected.
M**B
Meh.. it works
Gets the job done but cheaply made. The shrink tubing on the fan header side came off the first time I tried to connect it to the motherboard. I was able to slide it back on there and just avoid messing with it. Poor quality control when manufactured. It still works so I'll keep it.
K**Y
Works as designed
Does what it's supposed to. Only bought this for my in-laws older system that has standard molex fans on the CPU heat sink
L**X
Good 3 pin cable
Perfect cable to fix fan
C**S
Exactly what I needed
I ordered this adapter for a computer I'm building, and it's exactly as described and works great.
Trustpilot
2 days ago
3 weeks ago