Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel's Atx 3.0 specification and is built for next-gen PCIe 5.0 graphics cards.The wattage marked on 12VHPWR's connector is the recommended wattage. The native 16 Pin (12VHPWR) PCIe connector of GF3 1650W can deliver up to 600W for PCIe 5.0 graphics cards.PCIe Gen 5.0 Ready! Designed with two native PCIe 12+4pin modular connectors, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphic cards and is compatible with Intel Atx 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W and is built to deliver 80 Plus Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1650W comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power.Fully Compatible With Intel Psdg Atx 3.0 SpecificationsToughpower GF3 series is fully compatible with Intel Atx 3.0 Specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards. The GF3 series can sustain up to 3x Gpu power excursion and 2x total power excursion.Made to Comply with the Latest Graphics CardsAs the power consumption of graphics cards has increased, so has their demand for power. The GF3 series is designed to support Nvidia and Amd graphics cards, ready to supply the graphics card according to their different ways of connections.PCIe Gen 5.0 ReadyToughpower GF3 1650W Gold comes with two 16pin connectors to offer powerful and stable performance allowing the Psu to run next-generation GPUs naturally.Ultra Quiet Smart Zero FanDesigned with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise.Extremely Strict Voltage Regulation 100% High Quality Japanese 105 Degree C/221 Degree F CapacitorsProviding great durability as well as offering the highest stability, while remaining reliable.High Amperage Single +12V Rail and High-Class TechnologiesPowerful single +12V rail can properly deliver the power you need for the best compatibility. The use of Llc and Dc to Dc circuit design provides very stable operation and enhanced voltage regulation.40mm Hydraulic Bearing FanFeaturing a 140mm hydraulic bearing fan to guarantee superior cooling performance.80 Plus Gold Certified and Intel C6/C7 States ReadyTough power GF3 series saves energy through its high energy efficiency up to 90% and is certified to 80 Plus Gold. The series has been optimized to work with all generations of Intel's processors to achieve maximum energy saving.Cybenetics - Efficiency Level Certification (Platinum)Toughpower GF3 1650W is certified to Cybenetics Platinum in 115V and 230V input in terms of efficiency level. The overall efficiency rating is defined as >=89% to <91% of 115V input and 230V input. There are six Eta certifications, covering an efficiency range from 82%.