MSI Computer Japan Co., Ltd. will release the "MPG A1250GS PCIE5" power supply unit with support for ATX 3.1 and PCIe 5.1 on Friday, April 4, 2025.
Equipped with a fluid bearing cooling fan and Zero Fan mode, it achieves excellent quietness.
"MPG A1250GS PCIE5," Optimized for RTX 50 Series Graphics Cards

This product is a high-efficiency ATX power supply unit that has received GOLD certification from three power efficiency standards (80 PLUS, Cybenetics, PPLP).
By adopting a full modular design and embossed jacket cables, it offers excellent cable management inside the case.
By coloring the 16-pin (12V-2x6) connector yellow, it's easy to see the insertion depth, helping prevent incomplete connections.
Furthermore, with improvements to the internal thermal design and the adoption of a 135mm fluid bearing fan, it offers a comfortable gaming experience with excellent quietness.
As a power supply unit supporting PCIe 5.1 and ATX 3.1, it can handle the power excursions (power spikes) of the latest Nvidia GeForce RTXTM 50 series graphics cards, making it ideal for those considering a cutting-edge high-end gaming PC.
Main Features of "MPG A1250GS PCIE5"
- ATX power supply unit with support for PCIe 5.1 and ATX 3.1, with 80 PLUS GOLD certification.
- Equipped with a native 16-pin connector, optimized for use with the latest Nvidia GeForce RTXTM 50 series graphics cards.
- Safe design where the insertion depth of the 16-pin (12V-2x6) connector can be seen at a glance by making it yellow.
- Adopts highly flexible and easy-to-handle embossed jacket cables. Pre-installed cable organizer for neat cable management.
- Uses 100% Japanese manufacturer 105℃ capacitors, providing a 10-year long-term product warranty.
- Equipped with a fluid bearing fan and Zero Fan mode, offering a comfortable gaming experience with excellent quietness.
- Equipped with industrial-level protection features (OCP/ OTP/ OPP/ SCP/ OVP/ UVP/ SIP/ NLO).
For details on this product, please refer to the "MPG A1250GS PCIE5" product page.
Product Overview | |
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Form Factor | ATX |
Capacity | 1250W |
Dimensions (W x D x H) | 150x150x86mm |
Efficiency | 80 PLUS GOLD |
Fan | 135mm FDB Fan |
Cable Type | Full Modular (Embossed Jacket Cables) |
Power Excursion | Up to 2937W (235%) |
Protection Features | OCP,OVP,OPP,OTP,SCP,UVP,SIP,NLO |
PFC TYPE | Active PFC |
Warranty Period | 10 Years |
Price | 38,980 yen (tax included) |