# TUF Gaming 850W — Military-grade 80+ Gold ATX power supply > TUF Gaming 850W ゴールド(850ワット summary. ASUS TUF Gaming 850W Gold: military-grade durability, ATX 3.0, fully modular, 10-year warranty, 80+ Gold efficiency. Handles RTX 4070-class builds with ease. Tags: power-supply, asus, tuf-gaming, 850w, atx-3-0, 80-plus-gold Source: https://www.amazon.co.jp/dp/B0BK541686 Article page: https://web-autoai.com/articles/tuf-gaming-850w-850?lang=en Prices and ratings change over time — check the article page for the current values. --- This article covers TUF Gaming 850W ゴールド(850ワット. The ASUS TUF Gaming 850W Gold is a reliability-focused 80+ Gold certified power supply built with military-grade components and backed by a 10-year warranty. It features a fully modular cable design, ATX 3.0 compatibility, and a 135mm Axial Tech fan with dual ball bearings for long-term durability. The PCB is coated with a protective layer to resist moisture and dust. This PSU targets mid-to-high-end gaming PCs and workstations. Its 850W output comfortably handles a GeForce RTX 4070-class GPU paired with a Core i7 or Ryzen 7 processor, with headroom for overclocking and future upgrades. The unit uses the standard ATX form factor (150mm depth) and fits most mid-tower and full-tower cases. It is ATX 3.0 compliant and includes a native 12VHPWR (12+4 pin) connector, eliminating the need for adapters with NVIDIA RTX 40-series GPUs. Connector inventory: 24-pin ATX, dual 8-pin EPS (CPU), four 6+2-pin PCIe, eight SATA, and four peripheral connectors. Being fully modular, unused cables can be detached for cleaner cable management and better airflow. It achieves up to 92% efficiency under 80 PLUS Gold certification. Key components include Japanese capacitors rated for 105°C operation and 170,000-hour lifespan, plus a full PCB conformal coating. Market positioning is upper-mid-range. Compared to rivals like the Corsair RM850x (2023) and Seasonic Focus GX-850, the TUF offers a native 12VHPWR connector and a 10-year warranty as differentiators. Gaming PC builders: Ideal for systems with an RTX 4070 / 4070 Ti Super or RX 7800 XT. ATX 3.0 support future-proofs for next-gen GPUs. Long-term users: The 10-year warranty and military-grade components suit those who build once and expect years of trouble-free operation. The dual-ball-bearing fan extends service life. Silence-oriented creators: The Axial Tech fan runs nearly silently at low loads. High efficiency reduces heat output, keeping fan speeds low under moderate workloads. Who should skip: Budget builders with low-power components (e. g. , RTX 4060 + Core i5) will find 850W overkill. Also, ITX or compact cases may not accommodate a standard ATX PSU. Check your case's PSU clearance: the TUF Gaming 850W Gold is 150mm deep, which fits most mid-towers but may conflict with some smaller Micro-ATX or Mini-ITX cases. Competitors like the Corsair RM850x (2023) offer slightly quieter fan operation, while the Seasonic Focus GX-850 has a similar feature set but lacks a native 12VHPWR connector. If absolute silence is a priority, consider the ASUS ROG Thor series or be quiet! Dark Power 13. For extreme builds (RTX 4090 + Core i9-13900K), 850W may be insufficient under peak transient loads; a 1000W+ unit is recommended for such configurations. Q: What's the advantage of ATX 3.0 over older standards? The TUF Gaming 850W Gold meets this spec, ensuring stable operation with RTX 40-series cards without needing a separate adapter. Q: Is the 10-year warranty really valid? A: Yes, ASUS provides a 10-year warranty under normal use conditions. It's advisable to register the product on ASUS's support site after purchase to streamline any future claims. Q: Can this PSU power a future RTX 5090? A: While it has the correct 12VHPWR connector and ATX 3.0 compliance, the actual power draw of next-gen GPUs is unknown. If a future flagship GPU exceeds 450W, 850W may leave insufficient headroom for the rest of the system. A 1000W+ unit would be safer for such builds. ### Product Disclosure (Amazon) - Manufacturer: ASUS - Seller: EFI Global Store JP - ASIN: B0BK541686 - Note: This article covers a manufacturer-made product based on Amazon listing details.