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Black rectangular ATX power supply with matte finish and modular cable sockets

Corsair

Corsair RM650x CP-9020198-NA 650 W power supply

SKU CH-7RF6-Q5DXK MPN CP-9020198-NA

A fully modular 650 W ATX power supply with a 135 mm magnetic-levitation fan, 80 PLUS Gold efficiency and zero-RPM mode for quiet operation

  • TypeATX12V / EPS12V
  • Maximum Power650 W
  • Fans1 x 135mm Magnetic Levitation Fan
  • Main Connector20+4Pin
  • +12V RailsSingle
  • PCI-Express Connector4 x 6+2-Pin

Options ATX 80+ Gold (650W)

  • Clean cable routing with fully modular design
  • Quiet operation via 135mm magnetic levitation fan
  • Efficient power delivery with 80 PLUS GOLD certification
  • Reliable output using 105°C Japanese capacitors
  • Near-silent low-load performance through Zero RPM mode

Power for mid-range builds

The Corsair RM650x is a 650 W ATX12V unit built for systems that need reliable, efficient delivery without excess headroom. Its fully modular design lets you attach only the cables your build requires, keeping the interior tidy and airflow clear.

Replaces older non-modular or bronze units

If your current supply lacks modern sleep-state support or runs loud under light loads, the RM650x adds 80 PLUS Gold efficiency, a Zero RPM fan mode and Modern Standby compatibility. The jump is worth it when you want quieter operation and cleaner cable routing in an existing case.

Check clearance and connector needs

Verify the 160 mm length fits your chassis and that the single 12 V rail can handle your graphics card. Ensure you have room for the 24-pin, 8-pin EPS, four PCIe 6+2-pin and nine SATA connectors your components require.

Highlights

  • Clean cable routing with fully modular design
  • Quiet operation via 135mm magnetic levitation fan
  • Efficient power delivery with 80 PLUS GOLD certification
  • Reliable output using 105°C Japanese capacitors
  • Near-silent low-load performance through Zero RPM mode

Specifications

BrandCORSAIR
SeriesRMx Series (2021) RM650x
ModelCP-9020198-NA
TypeATX12V / EPS12V
Maximum Power650 W
Fans1 x 135mm Magnetic Levitation Fan
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector9
Max PSU Length160 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current10A - 5A
Output+3.3V@25A, +5V@25A, +12V@54A, [email protected] , +5VSB@3A
MTBF100;000 hours
Connectors1 x ATX 24-PIN (20+4)
1 x EPS/ATX12V 8-PIN (4+4)
4 x PCIe 8-PIN (6+2)
9 x SATA (3 SATA)
4 x PERIPHERAL (4-PIN)
1 x FLOPPY DRIVE ADAPTER (4-PIN)
FeaturesFully Modular: Only connect the cables your system needs, making clean and tidy builds easier.
135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
EPS12V Connector: For wide compatibility with modern graphics cards and motherboards.
100% All Japanese 105°C Capacitors: Premium internal components ensure unwavering power delivery and long-term reliability.
Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
80 PLUS Gold Certified: High ef
Dimensions3.39" x 5.91" x 6.30"
Weight3.31 lbs.
Package ContentRM650X, Safety Leaflet, AC Cable, DC Cable Set, Mounting Screws, Cable Ties
Shipping weight2.60 kg
Package size267 × 214 × 129 mm

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Questions about this item

How much clearance does the 160 mm length leave in a compact case?

The unit measures 160 mm long, so verify your chassis specification for power-supply depth before ordering.

Which cables must be attached first during a fully modular build?

Connect the 24-pin ATX and the 8-pin EPS cables to the motherboard, then add the PCIe and SATA leads your components require.

When should the 135 mm magnetic levitation fan be cleaned?

Use compressed air to clear dust from the fan blades and grille every 6 to 12 months depending on environment.

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