Introdución
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of your Rosewill VMG 850W ATX 3.1 80+ Gold Full Modular Power Supply. Please read this manual thoroughly before installation and retain it for future reference. This power supply is designed for personal computer systems, offering reliable and efficient power delivery.

Image: Rosewill VMG850 Power Supply overview.
Configuración e instalación
Proper installation is crucial for the optimal performance and safety of your power supply. Ensure your system is powered off and unplugged from the wall outlet before proceeding.
Contido do paquete
- Rosewill VMG 850W Power Supply
- Conxunto de cables modulares
- Cable de alimentación de CA
- Parafusos de montaxe
- Manual de usuario
Pasos de instalación
- Prepara a carcasa do teu PC: Open your PC case and locate the power supply mounting area.
- Montar a fonte de alimentación: Insert the Rosewill VMG850 into the designated slot in your PC case. Secure it with the provided mounting screws.
- Conectar cables modulares: Identify the necessary cables for your components (motherboard, CPU, GPU, SATA devices). Connect them to the corresponding ports on the power supply. The VMG850 is a full modular unit, allowing you to connect only the cables you need for improved cable management and airflow.
- Conectar os cables de alimentación principais:
- Conecta o cable ATX de 24 pinos á placa base.
- Conecta o(s) cable(s) de alimentación da CPU de 4+4 pinos á túa placa base.
- Connect Graphics Card (GPU) Power: For modern graphics cards, utilize the dedicated PCIe 5.1 / Gen 5 12V-2x6 cable. This connector delivers up to 600W of direct power. Ensure it is securely connected to both the power supply and your graphics card.
- Conectar os cables periféricos: Connect SATA power cables to your storage drives (SSDs, HDDs) and other peripherals as needed.
- Xestión de cables Pasa os cables con coidado para mellorar a circulación do aire e a estética dentro da túa carcasa.
- Close Case and Connect Power: Close your PC case, connect the AC power cord to the power supply, and plug it into a wall outlet.

Image: Modular cable connection panel on the Rosewill VMG850.

Image: Detail of the 12V-2x6 connector for next-gen GPUs.

Imaxe: Máis deview of included modular cables and connectors.
Instrucións de funcionamento
The Rosewill VMG 850W power supply is designed for stable and efficient operation. Once installed, your system should power on normally.
- Encendido: Press the power button on your computer case. The power supply will initiate and provide power to your components.
- Eficiencia: This unit is 80 PLUS Gold certified, indicating high power efficiency, which reduces heat generation and operating costs.
- Funcionamento do ventilador: The 120mm FDB (Fluid Dynamic Bearing) fan operates silently and adjusts its speed based on the power supply's temperature, ensuring optimal cooling without excessive noise.
- ATX 3.1 Compliance: The VMG850 is fully compliant with ATX 3.0 and 3.1 standards, supporting up to 235% power excursion and 300% GPU power excursion for demanding loads.

Imaxe: Fronte view of the Rosewill VMG850 Power Supply.
Mantemento
Un mantemento regular axuda a garantir a lonxevidade e o rendemento óptimo da súa fonte de alimentación.
- Eliminación de po: Limpa periodicamente o po da grella do ventilador e das saídas de aire da fonte de alimentación con aire comprimido. Asegúrate de que o sistema estea apagado e desconectado antes de limpalo.
- Inspección de cables: Comprobe ocasionalmente todas as conexións dos cables modulares para asegurarse de que estean seguras e non presenten danos.
- Ambiente: Operate the power supply in a well-ventilated area, avoiding extreme temperatures or humidity.

Imaxe: Arriba view of the VMG850, highlighting the fan for maintenance.
Resolución de problemas
Se tes problemas coa fonte de alimentación, consulta os seguintes pasos comúns para a resolución de problemas:
- Sen enerxía:
- Asegúrese de que o cable de alimentación de CA estea conectado correctamente tanto á fonte de alimentación como á toma de corrente.
- Verify the power switch on the back of the PSU is in the 'ON' position.
- Check all modular cable connections, especially the 24-pin motherboard and CPU power cables.
- Inestabilidade/fallos do sistema:
- Asegúrate de que os requisitos de alimentación do teu sistema non superen a capacidade de 850 W da fonte de alimentación.
- Check for proper ventilation to prevent overheating.
- Verify all power connections are firm.
- Ruídos pouco comúns:
- A slight fan noise is normal under load. If the noise is excessive or grinding, ensure no cables are obstructing the fan.
- Se o problema persiste, póñase en contacto co servizo de atención ao cliente.
Características de seguridade
The Rosewill VMG850 includes a comprehensive six-protection suite to ensure system safety:
- OCP (protección contra sobrecorriente): Prevents damage from sudden current surges.
- OPP (Over Power Protection): Automatically adjusts power output during overloads.
- OTP (Protección contra sobretemperatura): Guards against critical overheating.
- OVP (Over Voltage Protección): Stabilizes voltage spikes instantly.
- SCP (Short Circuit Protection): Neutralizes short-circuit risks.
- UCP (Under Current Protection): Maintains performance during low voltage.

Image: Visual representation of the advanced protection suite.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | Rosewill |
| Nome do modelo | VMG850 |
| Potencia de saídatage | 850 vatios |
| Factor de forma | ATX |
| Certificación de eficiencia | 80 PLUS Ouro |
| Modularidade | Completamente modular |
| Estándar ATX | ATX 3.0 & 3.1 Compatible |
| Conector PCIe | PCIe 5.1 / Gen 5 12V-2x6 Connector |
| Tipo de ventilador | 120mm FDB Silent Fan |
| Capacitores | Capacitores electrolíticos 100% xaponeses |
| Método de arrefriamento | Aire |
| Dimensións do produto (L x W x H) | 5.51 x 5.9 x 3.38 polgadas (140 x 150 x 86 mm) |
| Peso do elemento | 5.5 libras |
| Proteccións de seguridade | OCP, OPP, OTP, OVP, SCP, UCP |

Image: Electrical specifications label on the VMG850.
Garantía e Soporte
The Rosewill VMG 850W Power Supply comes with a 5 ano de garantía desde a data de compra. Esta garantía cobre defectos de materiais e fabricación en condicións de uso normal.
Reclamacións de garantía
For warranty service or technical support, please contact Rosewill customer service. You may need to provide proof of purchase and the product's serial number.
Información de contacto
Please refer to the official Rosewill website or your product packaging for the most up-to-date contact information for customer support.