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Overview

The MSI MAG A1000GL PCIE5 is a fully modular 1000W gaming power supply with 80+ Gold efficiency, ATX 3.1 and PCIe 5.1 support, and a native dual-color 12V-2x6 cable. Designed for high-performance gaming PCs, this compact PSU delivers reliable power and quiet operation .

MSI MAG A1000GL PCIE5, Fully Modular Compact Gaming 1000W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable

Model: MAGA1000GLPCIE5
Web Code: 19786732
Sold and shipped by | 4.0 seller rating (2 reviews)

Available for deliveryAvailable online only

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Warranty

Check with the manufacturer for details.

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

The MSI MAG A1000GL PCIE5 Fully Modular 1000W Power Supply is built to power high-end gaming rigs and performance-driven PC builds with stability, efficiency, and future-ready compatibility. Designed to meet the latest ATX 3.1 and PCIe 5.1 standards, this PSU ensures seamless support for next-generation hardware while delivering consistent and efficient performance.

With 1000 watts of continuous power output, the MAG A1000GL is ideal for enthusiast-level systems equipped with flagship CPUs and powerful graphics cards. Whether you’re running an overclocked processor or a high-end GPU such as RTX 4080, RTX 4090, or comparable Radeon models, this power supply provides the necessary headroom for gaming, streaming, content creation, and heavy multitasking.

Certified with 80+ Gold efficiency, the MAG A1000GL offers up to 90% efficiency under typical loads. This high efficiency rating reduces wasted energy, lowers heat generation, and helps maintain system stability during extended gaming sessions. Improved efficiency also contributes to quieter performance and longer component lifespan.

Fully compliant with ATX 3.1 specifications, the PSU is engineered to handle modern GPU power excursions and transient spikes. It includes a native dual-color 12V-2x6 cable, providing direct compatibility with PCIe 5.1 graphics cards. The dual-color connector design enhances installation safety by clearly indicating proper cable insertion, reducing the risk of improper connection.

The fully modular cable system allows you to connect only the cables required for your build. This results in improved cable management, better airflow, and a cleaner internal appearance—especially important for tempered-glass cases and premium gaming setups. The compact design further increases compatibility with a wide range of ATX cases, making it easier to build powerful systems even in space-conscious enclosures.

Product Condition
Brand New

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.

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Processing Time

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Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

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