Power supply FSP VITA 550 GD 550W ATX 3.1, 80 Plus Gold, OVP/UVP/SCP

The FSP VITA 550 GD is a 550W ATX 3.1 power supply with 80 Plus Gold efficiency designed to deliver stable and efficient power to desktop systems. Its compact form factor fits most standard cases while supporting current platform requirements through the ATX 3.1 specification. Built-in protections including over-voltage protection (OVP), under-voltage protection (UVP) and short-circuit protection (SCP) help safeguard connected components and ensure dependable operation for both home and professional builds.

Advantages

The unit’s 80 Plus Gold certification indicates high conversion efficiency, reducing energy loss and heat generation compared with lower-efficiency models. The ATX 3.1 compliance ensures compatibility with modern motherboards and power delivery standards. Integrated protection circuits (OVP/UVP/SCP) provide basic electrical safety for sensitive components. A compact chassis simplifies installation in a wide range of cases without sacrificing connector availability required for typical gaming rigs and workstations.

Suitable for

• Gaming desktops with mid-range to upper mid-range graphics and CPUs
• Home and small office workstations requiring reliable continuous power
• System builders who need ATX 3.1 compatibility and efficient power delivery
• Upgrades to reduce energy consumption and heat from older, less efficient PSUs

Key specifications

• Output power: 550 watts
• Form factor: ATX 3.1 compatible
• Efficiency rating: 80 Plus Gold
• Protection features: over-voltage protection (OVP), under-voltage protection (UVP), short-circuit protection (SCP)
• Design: compact chassis suitable for most standard PC cases
• Intended use: desktop systems, gaming rigs, workstations

How to use

Install the power supply into the PC case in the designated PSU area following the case manufacturer’s orientation recommendations. Connect the 24-pin motherboard connector and required CPU power connectors, then attach PCIe power cables to discrete graphics cards as needed. Route cables to maintain airflow and secure the unit with the supplied mounting screws. Before powering the system, verify all connectors are properly seated and that the PSU switch (if present) is in the ON position.

Usage recommendations

For stable operation, allow adequate case airflow and avoid obstructing intake/exhaust paths. Use this 550W unit for systems whose combined component power draw remains comfortably below the rated output to preserve efficiency and longevity. If planning substantial GPU or multi-CPU upgrades, consider a higher wattage model to provide headroom. Periodically inspect cables and connections and keep the PSU and case interior free of dust.