1. Introducció
This manual provides essential information for the safe and efficient use of your FSP 250-50GUB Flex ATX Power Supply. This power supply delivers a true 250 watts of continuous power and is designed for compact systems, such as mini-ITX applications. It features an 80 PLUS® Bronze certification for energy efficiency and includes comprehensive protection mechanisms to safeguard your system components.
2. Informació de seguretat
Always observe the following safety precautions to prevent injury or damage to the power supply and connected components:
- Do not open the power supply unit. Vol. AlttagHi ha elements presents a l'interior, fins i tot quan es desconnecta de l'alimentació.
- Assegureu-vos que l'alimentació estigui desconnectada de la presa de corrent altern abans de la instal·lació o el manteniment.
- Instal·leu la font d'alimentació en una zona ben ventilada per evitar el sobreescalfament.
- Use only the cables provided with the power supply or compatible replacements.
- Eviteu exposar la font d'alimentació a la humitat o a temperatures extremes.
- This power supply complies with newer IEC 62368 Standards and includes OVP (Over Voltage Protecció), UVP (Under Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection) for hardware safety.
3. Producte acabatview
The FSP 250-50GUB is a Flex ATX power supply designed for reliability and efficiency in small form factor systems. Key features include:
- 250W True Power: Provides stable and continuous power output.
- 80 PLUS Bronze Certified: Ensures high energy efficiency, meeting Energy Star Version 6.1 requirements.
- Ventilador silenciós: Equipped with a 4x4 cm double ball bearing fan for extended life and reduced noise levels.
- Full Range PFC Active: Active Power Factor Correction for stable power delivery.
- Protecció integral: Includes OVP, UVP, OCP, OPP, and SCP for system safety.

Figura 1: Davant view of the FSP 250-50GUB Flex ATX Power Supply, showing the power input and ventilation grille.

Figura 2: posterior view of the FSP 250-50GUB Flex ATX Power Supply, illustrating the fan and cable bundle exit point.
4. Especificacions
| Especificació | Valor |
|---|---|
| Dimensions del producte (L x A x A) | 5.91 x 3.15 x 1.57 polzades (150 x 80 x 40 mm) |
| Pes de l'article | 1.61 lliures |
| Factor de forma | Flex ATX |
| Potència de sortidatage | 250 watts |
| Certificació d'eficiència | 80 Plus Bronze (115V) |
| Mètode de refrigeració | Air (1 fan) |
| Tipus de connector | ATX |
| Dispositius compatibles | Ordinador personal |
| Característiques de protecció | OVP, UVP, OCP, OPP, SCP |

Figura 3: Detailed output table and physical dimensions of the FSP Flex ATX Power Supply.
5. Instal·lació i configuració
Follow these general steps for installing your Flex ATX power supply:
- Prepareu el vostre sistema: Assegureu-vos que l'ordinador estigui apagat i desendollat de la presa de corrent. Obriu la carcassa de l'ordinador.
- Traieu la font d'alimentació antiga (si escau): Disconnect all cables from the old power supply and remove its mounting screws. Carefully take out the old unit.
- Instal·leu una nova font d'alimentació: Insert the FSP 250-50GUB into the Flex ATX power supply bay of your chassis. Secure it with the appropriate screws. This unit is designed to fit into most Flex ATX chassis available.
- Connectar els cables: Connect the power supply cables to your motherboard and other components. Refer to your motherboard and component manuals for specific connection points.
- Placa base: Connect the 24-pin ATX connector and the 4-pin or 4+4-pin CPU connector.
- Perifèrics: Connect SATA power connectors to storage drives and Molex connectors to other compatible devices.
- Graphics Cards: If your system requires it, connect the appropriate PCI-E power connectors.
- Cables segurs: Route and secure cables to ensure proper airflow and prevent interference with other components.
- Tanca el cas: Once all connections are made and secured, close your computer case.
- Encès: Plug the AC power cord into the power supply and then into a wall outlet. Turn on your computer.

Figura 4: Illustration of various connector types provided by the FSP Flex ATX Power Supply, including 24-pin ATX, 8-pin CPU, 4+4-pin CPU, PCI-E 2+6, SATA, Molex, and Floppy connectors.
Vídeo 1: This video demonstrates general features and installation concepts for FSP Flex ATX power supplies, including 1U bracket installation, Flex ATX chassis compatibility, efficiency, safety protections, and cable types. While the video specifically references a 'FlexGURU PRO 500W' model, the principles shown are broadly applicable to the FSP 250-50GUB Flex ATX Power Supply.
6. Instruccions de funcionament
The FSP 250-50GUB power supply operates automatically once correctly installed and connected. Ensure the power switch on the back of the unit (if present) is in the 'ON' position before powering on your computer. The power supply will deliver stable power to your components as needed.
7. Manteniment
Un manteniment regular ajuda a garantir la longevitat i el rendiment òptim de la font d'alimentació:
- Eliminació de pols: Netegeu periòdicament la pols del ventilador i de les reixetes de ventilació de la font d'alimentació amb aire comprimit. Assegureu-vos que el sistema estigui apagat i desendollat abans de netejar-lo.
- Gestió de cables: Ensure cables are neatly routed and do not obstruct airflow within the chassis.
- Condicions ambientals: Operate the power supply within recommended temperature and humidity ranges.
8. Solució De Problemes
Si teniu problemes amb la font d'alimentació, tingueu en compte els passos habituals següents per resoldre problemes:
- Sense energia:
- Comproveu si el cable d'alimentació de CA està connectat correctament tant a la font d'alimentació com a la presa de corrent.
- Verify that the power switch on the power supply is in the 'ON' position.
- Proveu la presa de corrent amb un altre dispositiu per assegurar-vos que tingui corrent.
- Inestabilitat del sistema/aturades aleatòries:
- Ensure all power connectors (24-pin ATX, CPU, PCI-E, SATA) are firmly seated.
- Check for proper ventilation and ensure the power supply fan is spinning. Overheating can cause instability.
- If possible, test the power supply with a different set of components or in another system to rule out other hardware issues.
- Soroll fort del ventilador:
- Clean any dust buildup from the fan and grilles.
- Ensure the power supply is not overloaded, which can cause the fan to spin faster.
If problems persist after attempting these steps, contact FSP customer support or a qualified technician.
9. Garantia i Suport
FSP products are manufactured to high-quality standards. For warranty information and technical support, please refer to the official FSP website or contact your local retailer. Keep your purchase receipt as proof of purchase for warranty claims.





