--- product_id: 341682849 title: "Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply" brand: "coolerguys" price: "1004071₫" currency: VND in_stock: true reviews_count: 9 category: "Coolerguys" url: https://www.desertcart.vn/products/341682849-coolerguys-3a-100-240v-ac-to-12v-dc-three-3 store_origin: VN region: Vietnam --- # 3A stable power output Supports 3x 12V fans simultaneously 100-240V universal AC input Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply **Brand:** coolerguys **Price:** 1004071₫ **Availability:** ✅ In Stock ## Summary > 🌀 Triple the fans, zero the hassle — power your airflow like a pro! ## Quick Answers - **What is this?** Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply by coolerguys - **How much does it cost?** 1004071₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/341682849-coolerguys-3a-100-240v-ac-to-12v-dc-three-3) ## Best For - coolerguys enthusiasts ## Why This Product - Trusted coolerguys brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug and play, worldwide:** Universal 100-240V AC input means seamless compatibility wherever you are. - • **Flexible setup, no limits:** Long 12V DC wiring lets you position your fans exactly where you need them. - • **Power up your cooling game:** Delivers a steady 3A current to keep up to three 12V fans running flawlessly. - • **Versatility meets convenience:** Compatible with a wide range of 12V devices beyond just fans—future-proof your cooling solutions. - • **Certified safety, zero worries:** UL, CE, ROHS, and FCC certifications ensure your setup is safe and compliant. ## Overview The Coolerguys 3A 100-240V AC to 12V DC power supply efficiently powers up to three 12V fans simultaneously with a stable 3A output. Its universal voltage input and long wiring provide flexible, worldwide compatibility and installation options. Safety certifications (UL, CE, ROHS, FCC) guarantee reliable and compliant operation, making it an ideal choice for professional-grade PC cooling setups. ## Description Product description Review: Good connector - Does what’s it’s supposed to do and can supply 3 fans Review: I was using it to power pc fans - The 3 Y connects were 3 pin connectors and I needed to plug them into 4 pin connectors. I removed the side of the 3 pin connector so the connector would put into the 4 pin connector. ## Features - UNIVERSAL: This 12V 3A power supply is an easy-to-use solution to plug three 3-pin 12v fans (up to 3A worth of fans) off one standard US outlet. - VERSATILE COMPATIBILITY: Compatible with a wide range of devices and cooling systems requiring a 12v DC power supply, ensuring versatility and convenience. - STABLE POWER OUTPUT: This AC DC adapter provides stable and consistent power output, preventing fluctuations and ensuring smooth operation of your 3-fan setup. - SAFETY CERTIFIED: The switching power adapter is UL, CE, ROHS, and FCC rated, providing peace of mind regarding safety and compliance standards. - LONG WIRING: Features long DC 12V power cord wiring offering flexibility in installation and placement. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099M8KZ87 | | Additional Features | Charging Indicator | | Amperage | 3 Amps | | Best Sellers Rank | #576 in Computer Case Fans | | Brand | coolerguys | | Built-In Media | Power Adapter | | Compatible Devices | 3-pin 12V Fans | | Connectivity Technology | plug | | Connector Type | Barrel Connector | | Current | DC | | Current Rating | 3 Amps | | Customer Reviews | 4.3 out of 5 stars 69 Reviews | | Enclosure Material | Copper | | Included Components | Power Adapter | | Input Voltage | 240 Volts | | Item Weight | 0.26 Kilograms | | Main Power Connector Type | 3 Pin | | Manufacturer | Coolerguys | | Mfr Part Number | 840556074311 | | Model Number | 840556074311 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Current | 3 Amps | | Output Voltage | 12 Volts | | Portable | No | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Special Feature | Charging Indicator | | Specification Met | CE, FCC, UL | | UPC | 840556074311 | | Unit Count | 3.0 Count | | Wattage | 3 watts | ## Product Details - **Amperage:** 3 Amps - **Brand:** coolerguys - **Compatible Devices:** 3-pin 12V Fans - **Connector Type:** Barrel Connector - **Included Components:** Power Adapter - **Input Voltage:** 240 Volts - **Number of Items:** 1 - **Output Current:** 3 Amps - **Special Feature:** Charging Indicator - **Wattage:** 3 watts ## Images ![Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply - Image 1](https://m.media-amazon.com/images/I/71JJYmuktpL.jpg) ![Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply - Image 2](https://m.media-amazon.com/images/I/71FVqyZsx6L.jpg) ## Questions & Answers **Q: What is the size of the barrel plug?** A: It is a 5.5MM X 2.1MM Barrel Connector. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good connector *by A***R on February 23, 2026* Does what’s it’s supposed to do and can supply 3 fans ### ⭐⭐⭐⭐ I was using it to power pc fans *by K***R on April 5, 2023* The 3 Y connects were 3 pin connectors and I needed to plug them into 4 pin connectors. I removed the side of the 3 pin connector so the connector would put into the 4 pin connector. ### ⭐⭐⭐⭐⭐ Great product for price used for pc cabinet *by J***M on September 23, 2022* Worked great to run 3 120 mmm fans ## Frequently Bought Together - Coolerguys 3A 100-240v AC to 12v DC Three (3) Fan Power Supply - Coolerguys 12vDC Waterproof IP67 Fan (High Speed, 80x25mm) - Coolerguys Fan Power Supply 100-240v AC to 12v DC 1A Output 3pin or 4pin PWM Connector AC DC Adapter --- ## 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.vn/products/341682849-coolerguys-3a-100-240v-ac-to-12v-dc-three-3](https://www.desertcart.vn/products/341682849-coolerguys-3a-100-240v-ac-to-12v-dc-three-3) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-17*