--- product_id: 534195030 title: "CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable" brand: "crj electronics" price: "187 Lei" currency: RON in_stock: true category: "Crj Electronics" url: https://www.desertcart.ro/products/534195030-crj-full-speed-12v-voltage-step-up-usb-to-dual store_origin: RO region: Romania --- # 12V step-up voltage booster USB Type-A powered dual fan output Durable nylon sleeved cable CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable **Brand:** crj electronics **Price:** 187 Lei **Availability:** ✅ In Stock ## Summary > ⚡ Power your cooling game with USB-driven 12V speed – because your gear deserves the best airflow! ## Quick Answers - **What is this?** CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable by crj electronics - **How much does it cost?** 187 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/534195030-crj-full-speed-12v-voltage-step-up-usb-to-dual) ## Best For - crj electronics enthusiasts ## Why This Product - Trusted crj electronics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact 24-Inch Reach:** Generous cable length for flexible, discreet fan placement without clutter. - • **Dual Fan Compatibility:** Supports both 3-pin and 4-pin PC fans simultaneously, maximizing airflow versatility. - • **Sleek & Durable Design:** Premium black nylon sleeving with all-black connectors ensures a professional, tangle-free setup. - • **Plug & Play Versatility:** Perfect for PCs, gaming consoles, AV receivers, and network devices needing enhanced cooling. - • **Full-Speed 12V Power Boost:** Transforms any USB port into a high-performance 12V fan power source for optimal cooling. ## Overview The CRJ Full Speed 12V USB to Dual 3-Pin and 4-Pin Fan Power Adapter Cable is a cutting-edge solution that converts standard 5V USB power into a robust 12V output, enabling full-speed operation of PC cooling fans. Featuring a built-in voltage booster, durable nylon sleeving, and compatibility with a wide range of fans and devices, this 24-inch cable offers professional-grade cooling versatility for PCs, gaming consoles, and network equipment. ## Description The CRJ USB to Dual Fan Power Adapter Cable stands out as the first full-speed USB adapter designed to power computer fans, offering unparalleled flexibility in utilizing almost any fan, PWM controller, or compatible device. Equipped with a high-efficiency voltage step-up module, this cable delivers 12V power ensuring that your existing PC fans operate at optimal speeds for maximum cooling. Encased in durable, high-density black nylon sleeving with sleek all-black connectors, the 24-inch cable ensures a professional and discreet setup. Its versatility extends beyond traditional PC use, making it ideal for enhancing cooling in TV or networking cabinets, consoles, AV receivers, and other electronic devices that benefit from improved airflow. This adapter cable provides a superior alternative to fixed USB fans by allowing users to select from a broader range of cooling solutions to meet their specific needs. ## Features - Universal Fan Power Solution: Easily power any 3-pin or 4-pin PC cooling fans directly from a USB Type-A port, ensuring full 12V fan speeds for effective cooling. - Integrated Voltage Booster: Built-in 12V step-up circuit boosts standard USB 5V output to 12V (0.4A max), making it compatible with PWM controllers and fan hubs for versatile use. - Cooling Versatility: Ideal for enhancing airflow in electronic devices with USB power output, such as gaming consoles, AV receivers, and network routers. - Robust Construction: RoHS compliant with all-black connectors and high density black nylon sleeving, offering durability and a sleek look with minimal wire exposure. - Cable length (including connectors) is 24 inches (60cm) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B081K8LBH3 | | Best Sellers Rank | #184,466 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #21,441 in USB Cables | | Brand | CRJ Electronics | | Brand Name | CRJ Electronics | | Cable Type | USB | | Colour | Black | | Compatible Devices | Charging Adapter | | Compatible Phone Models | No Compatible Phone Models | | Connectivity Technology | USB | | Connector Gender | Male-to-Male | | Connector Type | USB | | Country of Origin | USA | | Customer Package Type | FFP | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Data Transfer Rate | 0.4 Megabits Per Second | | Ethernet Cable Category | Cat 5 | | Indoor Outdoor Usage | Outdoor | | Item Shape | Round | | Item Weight | 0.03 Kilograms | | Manufacturer | CRJ Electronics | | Maximum Current | 400 Milliamps | | Maximum Voltage | 12 Volts | | Model Name | USB 12V to Dual 4-Pin Fan Power Adapter Cable | | Model Number | 4050 | | Number Of Pins | 4 | | Number of Items | 1 | | Other Special Features of the Product | High Speed | | Outer Material Type | Nylon | | Part Number | 4050 | | Recommended Uses For Product | Enhancing airflow in electronic devices with USB power output, such as gaming consoles, AV receivers, and network routers | | Special Feature | High Speed | | Specification Met | RoHS | | UPC | 720355064303 | | Unit Count | 1.0 Count | | Wattage | 5 Watts | ## Product Details - **Brand:** CRJ Electronics - **Connector Type:** USB - **Cable Type:** USB - **Compatible Devices:** Charging Adapter - **Special Feature:** High Speed ## Images ![CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 1](https://m.media-amazon.com/images/I/81-cDf+-MAL.jpg) ![CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 2](https://m.media-amazon.com/images/I/81wbkYtIA-L.jpg) ![CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 3](https://m.media-amazon.com/images/I/81-4JSKPJBL.jpg) ![CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 4](https://m.media-amazon.com/images/I/71SD-kgDm6L.jpg) ![CRJ Full Speed 12V Voltage Step-Up USB to Dual 3-Pin and 4-Pin PC Fan Sleeved Power Adapter Cable - Image 5](https://m.media-amazon.com/images/I/81mXg0YXxjL.jpg) ## Questions & Answers **Q: For PWM fans, how do you control the speed?** A: There is no speed control with this. It's either on or off. **Q: Will it allow 5V fans to work at full speed?** A: it will burn them up because this is putting out 12v **Q: Will this work for a 2-pin fan?** A: Yes, you'll just have some pens you don't plug into **Q: Is there one for 3 connectors instead of two?** A: No it doesn’t matter ## Frequently Bought Together - CRJ 12V Step-Up USB to Dual PC Fans Power Adapter Cable - 24-inch (60cm), Black Sleeved - Full Fan Speed Adapter for 3-Pin/4-Pin Cooling Fans - Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey) - Noctua NA-FC1, 4-Pin PWM Fan Controller (Black) --- ## 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.ro/products/534195030-crj-full-speed-12v-voltage-step-up-usb-to-dual](https://www.desertcart.ro/products/534195030-crj-full-speed-12v-voltage-step-up-usb-to-dual) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-08-25*