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MSI MAG A1200PLS PCIE5, Fully Modular Gaming 1200W Power Supply, 80+ Platinum, Native 12V-2x6 Cables, GPU Safeguard, 105°C Main Capacitor, Fan Safeguard, ATX 3.1 & PCIe 5.1 Ready, 10 Year Warranty

MSI MAG A1200PLS PCIE5

Bottom line: The MSI MAG A1200PLS PCIE5 is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $189.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$189.99

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Buy on Amazon — $189.99 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Featuring ATX 3.1 and PCIe 5.1 support with native 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.

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SpecPicks Verdict

SpecPicks scored MSI MAG A1200PLS PCIE5 using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • GPU SAFEGUARD - This PSU provides real-time current protection. This proactive mechanism delivers an early alert if it detects the 12V-2x6 current in an abnormal status, allowing users to resolve the issue immediately.
  • 80 PLUS PLATINUM CERTIFIED – With 80 PLUS Platinum certification (up to 92% efficiency), this PSU is ideal for powering hardware with high energy demands, such as high-end GPUs and CPUs.
  • NATIVE 12V-2x6 CONNECTOR - Equipped with a native 12V-2x6 PCIe connector, it can deliver up to 600W of power to support PCIe 5.1 GPUs.
  • DURABLE DESIGN - This power supply is equipped with a 135 mm Fluid-dynamic bearing (FDB) fan, designed to enhance durability. The UL embossed jacket modular cables with premium copper alloy connectors to ensure reliable performance.
  • COMPACT SIZE - A compact 150 mm-long and 150 mm-wide ATX form factor ensures a comfortable and easy fit in most PC cases. This frees up more space for cable management and airflow to the rest of the system.
  • Cables included: 1 x Motherboard, 2 x CPU, 1 x 12V-2x6, 2 x PCIe, 1 x PCIe to dual PCIe, 2 x SATA, 1 x PERIPHERAL.

Full Specifications

Brandmsi
Wattage1200 watts
Model NameMAG A1200PLS PCIE5
Unit Count1 Count
Form FactorATX
CompatibilityPC
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage1200 watts
Cables included1 x Motherboard, 2 x CPU, 1 x 12V-2x6, 2 x PCIe, 1 x PCIe to dual PCIe, 2 x SATA, 1 x PERIPHERAL.
Item Dimensions11.89 x 8.86 x 5.08 inches
Number of Items1
Compatible DevicesComputer
Warranty Description10 Years
Item dimensions L x W x H11.89 x 8.86 x 5.08 inches
System Bus Connector TypeATX
Connector Type Used on CableATX
EU Spare Part Availability Duration10 years
Full listing titleMSI MAG A1200PLS PCIE5, Fully Modular Gaming 1200W Power Supply, 80+ Platinum, Native 12V-2x6 Cables, GPU Safeguard, 105°C Main Capacitor, Fan Safeguard, ATX 3.1 & PCIe 5.1 Ready, 10 Year Warranty

Ready to buy?

MSI MAG A1200PLS PCIE5, Fully Modular Gaming 1200W Power Supply, 80+ Platinum, Native 12V-2x6 Cables, GPU Safeguard, 105°C Main Capacitor, Fan Safeguard, ATX 3.1 & PCIe 5.1 Ready, 10 Year Warranty is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $189.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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MSI MAG A1200PLS PCIE5, Fully Modular Gaming 1200W Power Supply, 80+ Platinum, Native 12V-2x6 Cables, GPU Safeguard, 105°C Main Capacitor, Fan Safeguard, ATX 3.1 & PCIe 5.1 Ready, 10 Year Warranty
$189.99
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