Seasonic FOCUS SGX-650 650W Fully-Modular SFX-L/ATX PSU, 80 PLUS Gold, Hybrid Fan Control - SSR-650SGX (Boxed)
650W fully-modular SFX-L/ATX PSU with 80 PLUS Gold efficiency (90% at 50% load), hybrid silent fan control, compact 125mm footprint, includes SFX-to-ATX adapter, 10-year warranty.
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Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PSU (Power Supplies) - Wattage | 600 - 699 W |
|---|---|
| PSU (Power Supplies) - Efficiency Rating | 80 Plus Gold |
| PSU (Power Supplies) - Color | Black |
| PSU (Power Supplies) - Modularity | Fully modular |
| PSU (Power Supplies) - PCIe GPU Connectors | 4x 8/6 pins |
| PSU (Power Supplies) - Length | Up to 140 mm |
| PSU (Power Supplies) - EPS CPU Connectors | 1x 4+4pin EPS/ATX12V |
The Seasonic FOCUS SGX-650 is a versatile 650W fully-modular power supply designed for both compact SFX form factor and standard ATX chassis installations. It ships with an SFX-to-ATX adapter bracket, allowing flexible mounting options while maintaining excellent airflow management. The unit achieves 80 PLUS Gold certification with approximately 90% efficiency at 50% system load, delivering reliable power conversion with minimal energy waste.
This compact power supply measures just 125mm in length and width, making it ideal for HTPC builds and space-constrained systems. The industry-leading hybrid silent fan control operates in three distinct modes—Fanless Mode for silent operation during light loads, Silent Mode for balanced performance, and Cooling Mode for demanding workloads. The 120mm Fluid Dynamic Bearing (FDB) fan uses advanced oil-lubrication technology to minimize noise and vibration while extending fan lifespan. Built with 100% Japanese 105°C capacitors, the SGX-650 ensures exceptional reliability and longevity with a comprehensive 10-year warranty.
The fully-modular cable design allows users to connect only necessary cables, reducing clutter and optimizing airflow. The power supply features excellent voltage regulation across all rails (+12V, +5V, +3.3V), exceeding Seasonic's ±3% specification. With comprehensive protection features including over-current, over-voltage, short-circuit, and thermal protection, this unit delivers stable, safe power for modern PC builds.
- 650W continuous output with 80 PLUS Gold efficiency certification
- Fully-modular cabling design for reduced clutter and improved airflow
- Hybrid silent fan control with three operational modes (Fanless/Silent/Cooling)
- Compact SFX-L form factor: 125mm x 125mm x 63.5mm
- 120mm Fluid Dynamic Bearing fan for quiet, reliable operation
- Includes SFX-to-ATX adapter bracket for flexible chassis compatibility
- 10-year manufacturer warranty and comprehensive protection features
| Total Power Output | 650 W |
| AC Input Voltage | 100 - 240 V |
| AC Input Frequency | 50 - 60 Hz |
| Input Current | 9 - 4.5 A |
| Efficiency Rating | 80 PLUS Gold (ETA-A: 88-91% efficiency) |
| Efficiency at 50% Load | 90% @ 110V, 92% @ 230V |
| +3.3V Rail Maximum Power | 100 W (20 A max) |
| +5V Rail Maximum Power | 100 W (20 A max) |
| +12V Rail Maximum Power | 648 W (54 A max) |
| +5VSB Rail Maximum Power | 15 W (3 A max) |
| -12V Rail Maximum Power | 3.6 W (0.3 A max) |
| Form Factor | SFX-L / ATX 12V / EPS 2.92 |
| Dimensions (Unit Only) | 125 mm (L) x 125 mm (W) x 63.5 mm (H) |
| Weight (Unit Only) | 1.15 kg (2.54 lb) |
| Cooling | 1x 120mm Fluid Dynamic Bearing (FDB) fan |
| Fan Control | Hybrid Silent Fan Control with three modes: Fanless Mode, Silent Mode, Cooling Mode |
| Semi-Passive Operation | Yes |
| Modularity | Fully Modular |
| Motherboard Power Connector | 1x 20+4 pin ATX |
| CPU Power Connector | 1x 4+4 pin EPS/ATX12V |
| PCIe Power Connectors | 4x 6+2 pin (PCIe 8/6 pin) |
| SATA Power Connectors | 6x SATA |
| Molex (4-pin) Connectors | 3x Peripheral (Molex) |
| Protection Features | Over-current, Over-power, Over-voltage, Short-circuit, Under-voltage, Overheating protection |
| Inrush Current Protection | Yes |
| No Load Operation | Yes |
| Intel C6/C7 Power State Support | Yes |
| Voltage Regulation | ±3% (actual performance exceeds specification) |
| Noise Level | 35-40 dB(A) LAMBDA-S+ (maximum 36 dB(A) under load at 10cm) |
| Operating Temperature Range | 0 - 50 °C |
| Mean Time Between Failures (MTBF) | 100,000 hours |
| Warranty | 10 Years |
| Capacitors | 100% Japanese 105°C capacitors |
| Color | Black |
| Certifications | cTUVus, TUV, CB, CCC, BSMI, EAC, CE, WEEE, ErP Lot 6, REACH, RoHS, ENERGY STAR |
| Included Accessories | SFX-to-ATX adapter bracket |
| Model Number | SSR-650SGX |