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Overview

The ASUS ROG Thor 1200W Platinum III PSU delivers high-efficiency power for premium gaming PCs and workstations. It features 80 Plus Platinum certification, ATX 3.1 support, GaN MOSFET technology, GPU-First intelligent voltage stabilization, magnetic OLED power display, Turbo Mode, ROG heatsinks, and a full aluminum enclosure. Outer packaging may vary for open box items.
Open Box

Open Box - ASUS ROG Thor 1200W Platinum III Power Supply, ATX 3.1 PSU, 80 Plus Platinum, GaN MOSFET, GPU-First Voltage Stabilizer, Magnetic OLED Display, Turbo Mode

Brand: ASUS
Model: ROG-THOR-1200P3-GAMI
Web Code: 19870444
Sold and shipped by | 4.3 seller rating (357 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

ASUS ROG Thor 1200W Platinum III power supply is designed for high-performance gaming PCs, enthusiast builds, custom desktops, workstations, and powerful graphics card setups.

1200W output wattage provides strong power delivery for demanding components, high-end GPUs, multi-drive systems, cooling hardware, and advanced PC builds.

80 Plus Platinum certified PSU offers high power efficiency to help reduce wasted energy and support stable system performance.

ATX 3.1 power supply design supports modern PC hardware requirements and is suitable for next-generation gaming and creator systems.

GaN MOSFET technology delivers improved power efficiency compared to standard MOSFET designs while supporting a cleaner internal layout for cooler operation.

GPU-First intelligent voltage stabilizer helps enhance voltage delivery to the graphics card for smoother gaming and dependable high-load performance.

Magnetic OLED display shows real-time power draw and can be placed on either side of the unit for fan-up or fan-down PSU installation.

Turbo Mode support uses premium components and a fine-tuned fan curve to help handle extended power demands during intensive gaming or workstation tasks.

ROG heatsinks help improve thermal control, supporting cooler and more reliable operation under heavy system loads.

Fully aluminum enclosure adds durability, premium build quality, and improved heat dissipation for advanced desktop builds.

Air cooling method helps maintain stable PSU temperatures while supporting efficient operation in compatible PC cases.

ATX connector and ATX form factor make this PSU suitable for compatible personal computer builds and gaming desktop installations.

ROG-THOR-1200P3-GAMING model is ideal for users building or upgrading a premium ASUS ROG gaming setup.

Packaging note: Outer packaging may vary or be different for open box items.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

We can only acceept returns that are in their original packaging and do recommend customers check manufacturer's warranties for exclusions.

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