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Rectangular black ATX power supply, 150 mm long, fully modular with sleeved cables and native 12V-2x6 connector

MSI

MSI MEG Ai1300P PCIE5 1300W power supply

SKU CH-NBBS-RKRA1 MPN MEG Ai1300P PCIE5

Fully modular 1300 W ATX unit with 80 PLUS Platinum efficiency, native 12V-2x6 connector, sleeved cables and 100 % Japanese capacitors

  • Max wattage1300 W
  • Power efficiencyup to 92%
  • Modular cablingFull Modular
  • Fan configurationHydro Dynamic Bearing
  • Power factor correctionActive
  • Main power connector24Pin

Model ATX 3.1 (1300W)

Show 3 more
  • 1300 W output keeps high-end builds stable
  • 80 PLUS Platinum certification cuts energy waste
  • Fully modular design with sleeved cables reduces clutter
  • Native 12V-2x6 connector supports PCIe 5.1 graphics cards
  • 100 % Japanese 105 °C capacitors ensure long-term reliability

Ready for ATX 3.1 and PCIe 5.1 builds

The MSI MEG Ai1300P PCIE5 is a fully modular 1300 W ATX power supply built for high-end gaming systems. It delivers up to 92 % efficiency under the 80 PLUS Platinum programme and uses 100 % Japanese 105 °C capacitors. A native 16-pin 12V-2x6 cable supports modern graphics cards without adapters.

Verify case length and cable routing

Confirm your chassis can accommodate a 150 mm deep unit and plan cable paths for the sleeved 24-pin, two EPS, six 6+2-pin PCIe and one 16-pin PCIe connectors. The unit requires a 100–240 V, 50/60 Hz mains supply and provides 16 SATA power plugs for drives and peripherals. A mini-USB link enables software monitoring with a compatible motherboard.

Sustained output with hydro-dynamic cooling

The single +12 V rail maintains stable voltage during extended loads while the hydro-dynamic bearing fan meets Cybenetics Standard ++ acoustic limits. Industrial-grade OCP, OVP, OPP, OTP, SCP and UVP circuits protect components through long sessions. DC-DC module design keeps regulation tight when the system draws continuous power.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $315.99
Pricier than about 79% of the 10,869 comparable items (median $142.99).
Max wattage 1300 W
Higher than about 91% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameMSI
Model nameMEG Ai1300P PCIE5
Product typeATX12 V
Ports & slots
PCIe power connectors8 × 6+2-Pin
SATA power connectors16
Power
Max wattage1300 W
Power efficiencyup to 92%
Modular cablingFull Modular
Power factor correctionActive
Main power connector24Pin
12V railsSingle
Power good signal100-500 ms
Efficiency certification80 PLUS PLATINUM Certified
Overvoltage protectionYes
Supply voltage100–240 V
AC input frequency50/60 Hz
Size & build
Product dimensions6.3 in × 5.91 in × 3.39 in
Shipping weight4.26 kg
Package size330 × 203 × 154 mm
Compatibility
PSU length limit150 mm
Environment & compliance
PSU noise ratingCybenetics Standard ++
More details
Fan configurationHydro Dynamic Bearing

Other versions of this model

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Questions about this item

What cables come with the MSI MEG Ai1300P PCIE5 and what must I buy separately?

The box includes a 24-pin ATX sleeved cable, two EPS cables (8-pin to 4+4-pin and 8-pin to 8-pin), six PCIe 6+2-pin sleeved cables, and a native 16-pin PCIe 5.1 cable. No extra cables are required for standard builds.

How do I choose between the available connectors for my GPU?

Use the single 16-pin 12V-2x6 cable for modern PCIe 5.1 graphics cards, or use the six 6+2-pin PCIe cables for older GPUs. Both connector types are included and fully modular.

What does the 1300 W rating mean when the unit is installed in a PC?

The unit can deliver 1300 W continuously with up to 92 % efficiency at 80 PLUS Platinum levels, handles 2x total power excursions and 3x GPU excursions per ATX 3.1, and runs quietly under Cybenetics Standard ++ noise certification.

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