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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

  • Max wattage650 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm Magnetic Levitation Fan
  • Main power connector20+4Pin
  • 12V railsSingle
  • PCIe power connectors4 × 6+2-Pin

Model 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.

How it compares

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

Price $102.99
Cheaper than about 66% of the 10,869 comparable items (median $142.99).
Max wattage 650 W
Lower than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameCORSAIR
Product lineRMx Series (2021) RM650x
Model nameCP-9020198-NA
Product typeATX12 V / EPS12 V
Ports & slots
PCIe power connectors4 × 6+2-Pin
SATA power connectors9
Output type+3.3 V@25A, +5 V@25A, +12 V@54A, +5VSB@3A
Connection types1 x ATX 24-PIN (20+4)
1 x EPS/ATX12 V 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)
Power
Max wattage650 W
Modular cablingFull Modular
Main power connector20+4Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Supply voltage100–240 V
AC input frequency47–63 Hz
Rated input current10A - 5A
Size & build
Product dimensions3.39 in × 5.91 in × 6.3 in
Product weight3.31 lb (1.5 kg)
Shipping weight2.60 kg
Package size267 × 214 × 129 mm
Compatibility
PSU length limit160 mm
In the box
Included itemsRM650X, Safety Leaflet, AC Cable, DC Cable Set, Mounting Screws, Cable Ties
More details
Fan configuration1 × 135 mm Magnetic Levitation Fan
Mean time between failures100;000 h

Other versions of this model

5 more in the same range

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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