1. Introducció
The Rosewill VMG 750W 80+ Gold Power Supply is a high-performance, fully modular unit designed to meet the demands of modern computing systems. Compatible with Intel ATX 3.0 & 3.1 standards and featuring a PCIe 5.1 12V-2x6 connector, this power supply delivers stable and efficient power with a focus on low noise and reliability.

This image displays the Rosewill VMG 750W power supply from a front-side angle, highlighting its compact, fully modular design and the prominent '80 PLUS GOLD' certification badge.
Característiques principals:
- Intel ATX 3.0 & 3.1 Ready: Ensures compatibility with the latest motherboard standards.
- Full Modular 80 PLUS Gold Certified: Provides high efficiency and allows for clean cable management.
- PCIe 5.1 / Gen 5 12+4 Pin 12V-2x6 Cable: Dedicated connector for next-generation graphics cards, delivering up to 600W.
- Up to 235% Power Excursion & 300% GPU Power Excursion: Designed to handle transient power spikes from high-performance components.
- Optimized Thermal Control: Steel shell with large vents and a 120mm FDB fan enhance cooling performance while maintaining low noise.
- Compact Build Ready: 140×150×86mm chassis (35% smaller than regular ATX PSUs) enables flexible small-form-factor integration.
- Safety Shield: Six-protection suite (OCP/OPP/OTP/OVP/SCP/UCP) ensures complete system security.

An illustrative image showing the Rosewill VMG 750W power supply installed within a modern PC case, highlighting its ATX 3.1 and PCIe 5.1 readiness for next-generation systems and graphics cards.
2. Configuració i instal·lació
Before installing your new power supply, ensure your system is powered off and disconnected from the wall outlet. Always handle components with care and consider wearing an anti-static wrist strap.
Passos d'instal·lació:
- Prepara el teu cas: Remove the old power supply if applicable. Ensure there is adequate space for the VMG 750W.
- Muntar la font d'alimentació: Slide the power supply into its designated bay in your PC case. Secure it with the provided screws.
- Connecteu els cables modulars: Identify the necessary cables for your components (motherboard, CPU, GPU, SATA devices). Connect them to the appropriate ports on the power supply. The VMG 750W is fully modular, allowing you to use only the cables you need for a cleaner build.

Aquesta imatge proporciona una clara view of the fully modular cable connection ports on the Rosewill VMG 750W power supply, including dedicated sections for MB (Motherboard), CPU/PCI-E, PERIF/SATA, and the 12V-2x6 connector.
- Connecta't als components: Route the connected cables to your motherboard, graphics card(s), and storage devices. Ensure all connections are firm and secure.
- Special GPU Connector: For next-generation graphics cards, utilize the vibrant orange 12V-2x6 connector. This dedicated cable delivers 600W directly to your GPU, eliminating the need for daisy-chaining.

This image focuses on the dedicated 12V-2x6 connector of the Rosewill VMG 750W power supply, illustrating its capability to deliver 600W of direct power to NVIDIA GeForce RTX 50 series GPUs, eliminating the need for daisy-chaining.

A comprehensive diagram illustrating the various modular cables included with the Rosewill VMG 750W power supply, such as the 24 PIN Motherboard, 4+4 PIN CPU, 6+2 PIN PCI-E, 12+4 PIN PCI-E 5, SATA, and 4 PIN Molex connectors.
- Gestió de cables: Organize cables neatly to improve airflow and aesthetics within your PC case.
- Comprovació final: Double-check all connections before closing your PC case and reconnecting power.
3. Instruccions de funcionament
Once installed, the Rosewill VMG 750W power supply operates automatically, providing stable power to your system. It is designed for continuous operation within its specified limits.
Encès/apagat:
- To power on your system, ensure the power supply's main switch (located at the rear of the unit) is in the 'ON' position, then press your computer's power button.
- To power off, shut down your operating system normally. For complete power disconnection, switch the power supply's main switch to 'OFF' and unplug the power cord from the wall outlet.
Funcionament del ventilador:
The VMG 750W features a 120mm Fluid Dynamic Bearing (FDB) fan, engineered for silent operation and efficient cooling. The fan speed is automatically controlled based on the power supply's temperature and load, ensuring optimal thermal performance without excessive noise.

This image shows the side of the Rosewill VMG 750W power supply, featuring the protective fan grille and the Rosewill branding, indicating the location of the 120mm FDB silent fan.

A visual representation of the Rosewill VMG 750W power supply's compact 140mm short-depth chassis, improved cooling with large vents, and whisper-quiet operation due to its 120mm rifle-bearing FDB fan.
4. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Rosewill VMG 750W power supply.
Neteja:
- Eliminació de pols: Periodically clean the exterior of the power supply and its fan grille to prevent dust buildup. Use compressed air to gently clear dust from the fan blades and internal components.
- Freqüència: Cleaning frequency depends on your environment. In dusty conditions, more frequent cleaning may be necessary.
Warning: Always disconnect the power supply from the wall outlet and allow it to cool down before performing any cleaning or maintenance. Do not open the power supply casing, as it contains high voltage components and voids the warranty.
5. Solució De Problemes
If you encounter issues with your Rosewill VMG 750W power supply, refer to the following common problems and solutions:
Problemes comuns i solucions:
- Sense energia:
- Assegureu-vos que el cable d'alimentació estigui connectat correctament tant a la font d'alimentació com a la presa de corrent.
- Verify the power supply's main switch is in the 'ON' position.
- Check all internal cable connections (24-pin motherboard, CPU, GPU, SATA) are firmly seated.
- Proveu la presa de corrent amb un altre dispositiu per assegurar-vos que tingui corrent.
- Inestabilitat/Avaries del sistema:
- Assegureu-vos que els requisits d'alimentació del vostre sistema no superin la capacitat de 750 W de la font d'alimentació.
- Comproveu si hi ha connexions de cable soltes.
- Verify proper ventilation around the PSU to prevent overheating.
- El ventilador no gira:
- The FDB fan is temperature-controlled and may not spin at low loads. This is normal operation.
- If the system is under load and the fan is still not spinning, ensure no obstructions are blocking the fan.
Advanced Protection Suite:
The Rosewill VMG 750W is equipped with a comprehensive suite of protection features to safeguard your system:
- OCP (Protecció sobre corrent): Prevents damage from sudden current surges.
- OPP (Protecció contra sobrepotència): Auto-adjusts power output during overloads.
- OTP (Protecció contra sobretemperatura): Guards against critical overheating.
- OVP (Over Voltage Protecció): Stabilizes voltage spikes instantly.
- SCP (Protecció contra curtcircuits): Neutralizes short-circuit risks.
- UCP (Under Current Protection): Maintains performance during low voltage.
If any of these protections are triggered, the power supply may shut down to prevent damage. Disconnect power, wait a few minutes, and then re-evaluate your system's components and connections before attempting to power on again.

An image depicting a shield icon next to the Rosewill VMG 750W power supply, illustrating its advanced protection suite which includes OCP, OPP, OTP, OVP, SCP, and UCP.
6. Especificacions
Below are the detailed technical specifications for the Rosewill VMG 750W Power Supply:

The product label on the Rosewill VMG 750W power supply, detailing AC input, DC output voltages and currents, Max. Total Power (750W), and various safety certifications.
| Atribut | Valor |
|---|---|
| Nom del model | VMG750 |
| Potència de sortidatage | 750 watts |
| Factor de forma | ATX |
| Disseny de fonts d'alimentació | Completament Modular |
| Dimensions del producte (L x A x A) | 5.51 x 5.9 x 3.38 polzades |
| Pes de l'article | 5.19 lliures |
| Mètode de refrigeració | Aire (ventilador FDB de 120 mm) |
| Dispositius compatibles | Ordinador personal |
| Tipus de connector | ATX, PCI Express (12V-2x6) |
| Certificació d'eficiència | 80 PLUS Or |
| Data de primera disponibilitat | 26 de juny de 2025 |
7. Garantia i Suport
Informació de la garantia:
The Rosewill VMG 750W Power Supply comes with a 5 anys de garantia des de la data de compra. Aquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús normal. Conserveu el comprovant de compra per a reclamacions de garantia.
Atenció al client:
For technical assistance, troubleshooting, or warranty inquiries, please visit the official Rosewill website or contact Rosewill customer support through their dedicated channels. You can find more information and products at the Rosewill Store on Amazon.





