Toughpower GF3 850W Gold-TT Premium Edition is PCIe Gen 5.0 ready and designed with up to 200% power excursion, 70% low load efficiency, native PCIe 12 4pin modular connector, and Intel ATX 3.0 specifications. The power supply is certified with 80 Plus Gold efficiency and features < 30mV low ripple noise design, ±2% voltage regulation, and >17ms hold up time, all for dependable continuous, stabilized power. A 100% high-quality Japanese capacitor is included along with other premium components. Additionally, the PSU is compatible with NVIDIA and AMD graphics cards and its ultra-quiet Smart Zero Fan means the fan won't spin until load exceeds 30%. Cybenetics Efficiency Level Certification-Gold further guarantees the product's quality.Toughpower GF3 1000W Gold is certified to CYBENETICS GOLD in 115V and 230V input in terms of efficiency level. The overall efficiency rating is defined as ≥87% to ＜89% of 115V input and 230V input. There are six ETA certifications, covering an efficiency range from 82%. Besides the overall efficiency of a PSU, ETA also takes into account its overall Power Factor readings along with the efficiency of the 5VSB rail and the power that the unit consumes in standby (also called phantom power).