msi
MSI MPG A1250GS PCIE5 II, Fully Modular Gaming 1250W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 8-pin PCIe x 3, 10 Year Warranty
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Featuring ATX 3.1 and PCIe 5.1 support with two 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.
SpecPicks Verdict
SpecPicks classifies MSI MPG A1250GS PCIE5 II, Fully Modular Gaming 1250W Power Supply, 80… as a category leader on buyer feedback in the power supplies category, based on 5 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. msi's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 5.0★ average across customer reviews
- ✓ Supports Nvidia GeForce RTX 50 series graphics cards
- ✓ Backed by msi's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Supports Nvidia GeForce RTX 50 series graphics cards
- 2 x native 12V-2x6 connector
- 100% all Server-grade 105oC capacitor
- Embossed jacket cables offer improved flexibility for easier bending and routing
- Optimized the sound level
- Industrial level protection with OCP/ OTP/ OPP/ SCP/ OVP/ UVP/ SIP/ NLO
Full Specifications
| Brand | msi |
|---|---|
| Wattage | 1250 watts |
| Model Name | MPG A1250GS PCIE5 II |
| Form Factor | ATX |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 1250 Watts |
| Item Dimensions | 11.89 x 10.04 x 5.08 inches |
| Compatible Devices | Computer |
| Warranty Description | 10 Years |
| Maximum Input Voltage | 240 Volts (AC) |
| Minimum Input Voltage | 110 Volts (AC) |
| Item dimensions L x W x H | 11.89 x 10.04 x 5.08 inches |
Ready to buy?
MSI MPG A1250GS PCIE5 II, Fully Modular Gaming 1250W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 8-pin PCIe x 3, 10 Year Warranty is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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