--- product_id: 547195171 title: "DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch 11.8inch" brand: "yikaien" price: "54.48 DT" currency: TND in_stock: true reviews_count: 3 category: "Yi Kai En" url: https://www.desertcart.tn/products/547195171-dc-power-supply-plug-to-molex-4-pin-pc-fan store_origin: TN region: Tunisia --- # Universal DC 5.5x2.1mm input Compatible with 3/4-pin Molex fans Integrated on/off switch for control DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch 11.8inch **Brand:** yikaien **Price:** 54.48 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power your PC fans like a pro — control, compatibility, and convenience in one sleek adapter! ## Quick Answers - **What is this?** DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch 11.8inch by yikaien - **How much does it cost?** 54.48 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/547195171-dc-power-supply-plug-to-molex-4-pin-pc-fan) ## Best For - yikaien enthusiasts ## Why This Product - Trusted yikaien brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug-and-Play Power:** Simple DC 5.5mm x 2.1mm female input means quick setup with most standard power supplies. - • **Compact & Convenient:** Slim 11.8-inch cable with an easy-access switch puts fan control literally at your fingertips. - • **Lightweight & Durable:** Crafted from sturdy polycarbonate, this 19g adapter blends reliability with sleek minimalism. - • **Universal Compatibility:** Seamlessly powers both 3-pin and 4-pin Molex fans, ensuring broad hardware support without hassle. - • **Precision Fan Speed Control:** Switch effortlessly between silent 5V and full-speed 12V modes to tailor your cooling experience. ## Overview The YiKaiEn DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter is a versatile 11.8-inch cable that converts a standard 5.5mm x 2.1mm DC input into a Molex 3/4-pin fan connector. Featuring an integrated on/off switch, it allows precise fan speed control between 5V (silent) and 12V (full speed). Compatible with both 3-pin and 4-pin fans, this lightweight polycarbonate adapter offers a simple, reliable solution for customized PC cooling setups. ## Description • Function:Change the Molex 3/4Pin to DC interface power supply • Use a Variety of DC Power Supplies to Control Desired Fan Speed (for Example: 5V for Silent, 12V for Full Speed) • Input: Female 5.5mm OD x 2.1mm ID DC Plug Socket • Output: Molex 3/4-Pin Male Fan Connector (Specialized Fan Connector Is Compatible With Both 3-Pin And 4-Pin Fans) • Cable Length (Excluding Connectors): 10.6" / 27cm Review: just what i needed. - Perfect little connector. Helped me add a LED back lighting setup to my monitor, making a very convenient on/ off switch that is easy to reach. Review: Works good - This works fine. I am just using it to control a water pump that has a molex connector. Paired with a simple 12v 2a power supply, it works perfectly. ## Features - Function:Change the Molex 4Pin to DC interface power supply. - Use a Variety of DC Power Supplies to Control Desired Fan Speed (for Example: 5V for Silent, 12V for Full Speed) - Input: Female 5.5mm OD x 2.1mm ID DC Plug Socket. - Output: Molex 3/4-Pin Male Fan Connector (Specialized Fan Connector Is Compatible With Both 3-Pin And 4-Pin Fans) - Cable Length (Excluding Connectors): 10.6" / 27cm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BRHHMFYZ | | Best Sellers Rank | #68,319 in Electronics ( See Top 100 in Electronics ) #1,393 in Audio & Video Power Cables | | Brand | YiKaiEn | | Built-In Media | 1x DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch | | Case Material Type | Polycarbonate | | Color | Black | | Connector Gender | Male-to-Female | | Customer Reviews | 5.0 5.0 out of 5 stars (5) | | Item Length | 11.8 Inches | | Item Weight | 19 Grams | | Manufacturer | YIKAIEN | | Model Number | DC Power Supply Plug to Molex 4-Pin PC F | | Plug Type | Type DC5.5*2.1mm Female | | UL Listed | No | | UPC | 759549563841 | | Unit Count | 1.0 Count | | Voltage | 12 Volts | ## Product Details - **Brand:** YiKaiEn - **Color:** Black - **Connector Gender:** Male-to-Female - **Plug Format:** Type DC5.5*2.1mm Female - **Voltage:** 12 Volts ## Images ![DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch 11.8inch - Image 1](https://m.media-amazon.com/images/I/41rYNbqolzL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ just what i needed. *by D***T on April 14, 2025* Perfect little connector. Helped me add a LED back lighting setup to my monitor, making a very convenient on/ off switch that is easy to reach. ### ⭐⭐⭐⭐⭐ Works good *by W***Y on October 17, 2023* This works fine. I am just using it to control a water pump that has a molex connector. Paired with a simple 12v 2a power supply, it works perfectly. ### ⭐⭐⭐⭐⭐ Works well *by R***R on July 16, 2023* I needed something that converted power from a wall adapter to a PC 4 pin Molex connector and this worked great. The switch is a great feature. ## Frequently Bought Together - YiKaiEn DC Power Supply Plug to Molex 4-Pin PC Fan Power Adapter with Switch 11.8inch - Coolerguys 100-240v AC to 12 & 5v DC 4pin Molex 2A Power Adapter (2A, Without On/Off Switch) - SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/547195171-dc-power-supply-plug-to-molex-4-pin-pc-fan](https://www.desertcart.tn/products/547195171-dc-power-supply-plug-to-molex-4-pin-pc-fan) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-16*