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Black ATX power supply unit with 120 mm fan and sleeved modular cables

MSI

MSI MEG Ai1000P PCIE5 1000W power supply

SKU CH-1TZ9-5YYZB MPN MEG Ai1000P PCIE5

Fully modular 1000 W ATX unit with 80 PLUS Platinum efficiency, native 12VHPWR connector for PCIe 5.0 graphics cards, 120 mm fan rated Cybenetics Standard++, and a compact 160 mm depth

  • ColorBlack
  • TypeATX
  • Maximum Power1000 W
  • Fans1 x 120 mm
  • PFCActive
  • +12V RailsSingle
  • Ready for next-gen GPUs with native 12VHPWR connector
  • 80 PLUS Platinum certified for up to 92% efficiency
  • Fully modular design with sleeved cables reduces clutter
  • Single +12V rail delivers stable 1000 W power
  • Compact 160 mm depth fits most ATX cases

1000W ATX 3.0 power supply

The MSI MEG Ai1000P PCIE5 is a 1000 watt ATX 3.0 unit built for systems that demand high, stable output. Its fully modular design and sleeved cables suit builders who want a clean interior without unused leads. The native 16 pin 12VHPWR connector prepares the unit for current and upcoming graphics cards. It targets enthusiasts assembling high-end gaming or workstation platforms.

Cybenetics Standard ++ noise rating

A single 120 mm fan handles airflow while the Cybenetics Standard ++ certification indicates low acoustic output in typical operation. 80 PLUS PLATINUM efficiency reaches up to 92 percent, reducing waste heat and lowering overall power draw. Active PFC and a single +12V rail keep voltage steady across varying loads. Japanese 105 degree capacitors support long-term reliability at lower stress levels.

2x total and 3x GPU power excursion

Under sustained heavy load the supply can deliver twice its rated wattage for brief excursions and triple the GPU portion without shutting down. Protections including OCP, OVP, OPP, OTP, SCP and UVP engage before components risk damage. The 160 mm depth fits standard ATX cases while leaving room for cable routing. Builders needing more than 1000 watts or additional 12VHPWR headers should consider higher-capacity units.

Highlights

  • Ready for next-gen GPUs with native 12VHPWR connector
  • 80 PLUS Platinum certified for up to 92% efficiency
  • Fully modular design with sleeved cables reduces clutter
  • Single +12V rail delivers stable 1000 W power
  • Compact 160 mm depth fits most ATX cases

Specifications

BrandMSI
ModelMEG Ai1000P PCIE5
ColorBlack
TypeATX
Maximum Power1000 W
Fans1 x 120 mm
PFCActive
+12V RailsSingle
PCI-Express Connector8 x 6+2-Pin
SATA Power Connector12
Max PSU Length160 mm
ModularFull Modular
EfficiencyUp to 92%
Energy-Efficient80 PLUS PLATINUM Certified
PSU Noise LevelCybenetics Standard ++
ProtectionOCP,OVP,OPP,OTP, SCP,UVP
Connectors1 x 16 pin PCIe / 1 x 24 pin ATX / 1 x 8 pin (4+4) EPS (CPU) / 1 x 8 pin (6+2) PCIe / 1 x 8 pin CPU / 1 x Floppy / 12 x SATA / 4 x 4 pin Peripheral
Cable Spec1 x ATX Sleeved Cable
1 x EPS (8 PIN to 4+4 PIN) Sleeved Cable
1 x EPS (8 PIN to 8 PIN) Sleeved Cable
6 x PCIe (8 PIN to 6+2 PIN) Sleeved Cable
1 x PCIe (16 PIN to 16 PIN) Sleeved Cable
1 x PCIe (16 PIN to 6+2 PIN) Sleeved Cable
3 x SATA Sleeved Cable
1 x MOLEX/FDD Sleeved Cable
1 x MINI USB to 10PIN
1 x MINI USB to USB Type-A
Dimensions160 x 150 x 86mm / 6.3" x 5.9" x 3.4"
Shipping weight4.31 kg
Package size326 × 212 × 157 mm

Questions about this item

How do I connect the 12VHPWR cable so the 16-pin seats fully on the GPU?

Push the native 16-pin connector straight into the graphics card until the latch clicks; the sleeved cable only fits one way, so do not force it at an angle.

When should I clean the 120 mm fan and what should I check on the Japanese 105°C capacitors?

Blow dust from the fan every six to twelve months; visually inspect the capacitors for bulging or leakage during each cleaning.

At what load does the Cybenetics Standard++ noise rating become noticeable under sustained gaming?

The fan stays quiet up to roughly half load; beyond that the rpm rises to maintain the 92% efficiency target, so expect audible airflow during long 4080 or 4090 sessions.

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