1000W Gold rated power supply deal from ASUS is a strong and reliable PSU for a high-end PC build with plenty of future-proofing
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If you’re building a high-end PC with a powerful GPU like Nvidia’s RTX 5080, or if you’re looking for something that will allow for future component upgrades and expansion without needing to be replaced for some time, this 1000W ASUS TUF Gaming PSU is a great option. This power supply is part of ASUS’ gaming-focused TUF brand, and combines high power capacity, ATX 3.1 compliance, a 600W 16-pin GPU cable, fully modular cabling, and 80 Plus Gold efficiency for demanding gaming PCs and workstations. Its military-grade certified components, protective PCB coating, Axial-tech fan, and dual-ball bearings place a strong emphasis on durability as well as electrical performance. With a 10-year warranty and enough capacity for enthusiast-class hardware, it is particularly well suited to high-end builds where reliability, GPU upgrade flexibility, and substantial power headroom are priorities. Grab it now for 19% off the MSRP.
Take a look below for more detail on the various specifications of this PSU and why they impress us. Additionally, look further down the page for more deals on alternative power supplies if this one doesn’t tickle your fancy.
What we like about this ASUS TUF Gaming 1000W Gold PSU
1000W output for high-end gaming systems
The ASUS TUF Gaming 1000W Gold provides a substantial 1000W power budget, giving it enough capacity for demanding gaming PCs, powerful graphics cards, high-core-count processors, multiple storage devices, and extensive cooling hardware. The additional headroom is particularly useful in enthusiast builds where transient GPU power spikes can place greater demands on the PSU than average system consumption alone would suggest.
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Prices correct as of October 9th, 2026.
ATX 3.1 support with a 600W 16-pin GPU cable
ATX 3.1 compatibility makes this PSU well suited to modern high-performance graphics cards. ASUS includes a 16-pin PCIe power cable capable of supplying up to 600W, allowing compatible PCIe 5.0-generation GPUs to draw power through a single high-capacity connection rather than relying on multiple traditional PCIe power plugs.
80 Plus Gold efficiency
The TUF Gaming 1000W carries an 80 Plus Gold certification, indicating strong electrical efficiency across typical operating loads. Higher efficiency means less incoming power is wasted as heat, which can reduce thermal stress inside the PSU and improve overall system efficiency compared with lower-rated units.
Fully modular cable design
Every cable can be disconnected from the power supply, allowing users to install only the connections their system actually requires. This simplifies cable management, reduces unnecessary clutter inside the chassis, and can help improve airflow around components.
Military-grade certified components
ASUS states that the capacitors and chokes used in the PSU have passed demanding qualification tests to achieve its military-grade certification. For a power supply expected to operate continuously under high electrical loads, component quality is particularly important for long-term voltage stability and reliability.
Protective PCB coating and durable fan bearings
A protective coating is applied to the internal circuit board to help defend against dust, moisture, and challenging environmental conditions. Cooling is handled by a 120mm Axial-tech fan using dual-ball bearings, which ASUS says can provide up to twice the service life of conventional sleeve-bearing designs.
10-year warranty
The supplied 10-year warranty is particularly reassuring for a component that can potentially remain useful across several PC upgrade cycles. A high-quality 1000W PSU may outlast multiple CPU, motherboard, or GPU generations if future components remain within its electrical and connector capabilities.
Who should buy this 1000W Gold PSU
The ASUS TUF Gaming 1000W Gold is aimed at users building powerful gaming PCs and workstations where both high sustained power consumption and large transient loads need to be handled reliably. This PSU makes particular sense for systems using enthusiast-class graphics cards, especially newer models equipped with 16-pin power connectors. A 1000W rating also provides useful headroom for high-performance processors, liquid cooling, numerous fans, multiple drives, and other expansion hardware.
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