NO. FX500 500W Flex-ATX power adapter
Delivers 500 W continuous power in a Flex-ATX form factor with 80 PLUS Gold efficiency, Japanese primary capacitor, single +12 V rail, PCIe 8-pin and 6-pin connectors.
- 80 PLUS Gold efficiency reduces wasted energy
- 500W continuous output at 40? supports 24/7 operation
- Japanese primary capacitor improves long-term reliability
- Single +12V rail with ±3% regulation delivers stable power
- PCIe 8-pin and 6-pin connectors power modern graphics cards
500W Flex-ATX Power Adapter
The NO. FX500 is a Flex-ATX form factor power adapter rated for 500W continuous output at 40 degrees Celsius. It carries 80 PLUS Gold certification for high efficiency. A single +12V rail with ±3% regulation and low ripple targets stable delivery for compact workstations or small-form-factor builds needing reliable 24/7 operation. Active PFC and a Japanese primary capacitor support consistent performance.
Practical Limits of Flex-ATX Form Factor
The Flex-ATX standard restricts physical dimensions, which limits internal component space and cooling capacity compared to larger ATX units. Continuous 500W output is rated specifically at 40 degrees ambient, so sustained loads in poorly ventilated chassis may exceed thermal design limits. The single +12V rail simplifies load balancing but caps total 12V current at the unit's maximum rating. Builders must verify case clearance and airflow independently.
Build Quality and Connector Implications
A Japanese primary capacitor and 80 PLUS Gold rating indicate component choices aimed at longevity and efficiency under continuous duty. The inclusion of both PCIe 8-pin and 6-pin connectors allows direct GPU power without adapters, reducing connection points. Tight ±3% regulation and low ripple benefit sensitive components during extended use. Cable routing in compact enclosures remains the builder's responsibility due to fixed cable lengths inherent to the form factor.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $140.99
- Pricier than about 90% of the 3,875 comparable items (median $23.99).
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Specifications
No published specifications for this item yet.
Questions about this item
Which version of the FX500 should I choose for a compact build?
The FX500 uses the standard Flex-ATX form factor, so it fits cases designed for that size.
What does the 500 W rating mean when the unit is inside a running PC?
It delivers 500 W continuously at 40 °C, rated for 24/7 operation on a single +12 V rail.
What connectors does the FX500 provide for a graphics card?
It includes both PCIe 8-pin and PCIe 6-pin connectors for GPU power.
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