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Black rectangular ATX power supply with modular cable sockets and a 135mm fan grille

Corsair

Corsair RM1000x CP-9020201-NA 1000 W power supply

SKU CH-Z77Q-DR77P MPN CP-9020201-NA

A fully modular 1000 W ATX power supply with 80 PLUS Gold efficiency, a 135 mm rifle-bearing fan with zero-RPM mode, six PCIe 6+2-pin and fourteen SATA connectors.

  • TypeATX12V / EPS12V
  • Maximum Power1000 W
  • Fans1 x 135mm Rifle Bearing Fan
  • PFCActive
  • Main Connector24Pin
  • +12V RailsSingle

Options ATX 80+ Gold (1000W)

  • Fully modular design lets you connect only the cables your system needs
  • 135 mm rifle-bearing fan with Zero RPM mode keeps noise low at light loads
  • 80 PLUS Gold certified 90% efficiency reduces waste heat and running costs
  • Single +12V rail delivers 83.3 A for stable power to modern GPUs
  • 105 °C Japanese capacitors and LLC resonant topology ensure clean, reliable output

Fully modular 1000 W ATX power supply

The Corsair RM1000x CP-9020201-NA delivers 1000 W through a single +12 V rail and meets 80 PLUS Gold efficiency at 90 %. It uses 105 °C rated Japanese capacitors and a resonant LLC topology with DC-to-DC conversion for stable output. The unit supports Modern Standby sleep mode and includes over-voltage protection. Input voltage ranges from 100 to 240 V at 47 to 63 Hz.

Full modularity frees cable routing and case space

Only the required cables connect to the PSU, reducing clutter inside the chassis. The package provides a 610 mm 24-pin motherboard cable, three 650 mm 4+4-pin EPS cables, three PCIe cables each with two 6+2-pin connectors at 600 mm plus 150 mm, two SATA cables with four connectors at 505 mm plus 115 mm spacing, two SATA cables with three connectors at 520 mm plus 115 mm spacing, and eight peripheral cables. Maximum PSU length is 180 mm.

135 mm rifle bearing fan with Zero RPM mode

The fan stops completely at low to medium loads for near-silent operation. Under higher load the magnetic levitation bearing and custom rotors maintain airflow while keeping noise low. Active PFC and the LLC topology reduce coil whine. Typical output includes +12 V at 83.3 A, +3.3 V and +5 V at 20 A each, -12 V at .3 A, and +5 VSB at 3 A. MTBF is rated at 100000 hours.

Highlights

  • Fully modular design lets you connect only the cables your system needs
  • 135 mm rifle-bearing fan with Zero RPM mode keeps noise low at light loads
  • 80 PLUS Gold certified 90% efficiency reduces waste heat and running costs
  • Single +12V rail delivers 83.3 A for stable power to modern GPUs
  • 105 °C Japanese capacitors and LLC resonant topology ensure clean, reliable output

Specifications

BrandCORSAIR
SeriesRMx Series (2021) RM1000x
ModelCP-9020201-NA
TypeATX12V / EPS12V
Maximum Power1000 W
Fans1 x 135mm Rifle Bearing Fan
PFCActive
Main Connector24Pin
+12V RailsSingle
PCI-Express Connector6 x 6+2-Pin
SATA Power Connector14
SLISLI Ready
Haswell SupportYes
CrossFireCrossFire Ready
Max PSU Length180 mm
ModularFull Modular
Efficiency90%
Energy-Efficient80 PLUS GOLD Certified
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current12 - 6 A
Output+3.3V @ 20A, +5V @ 20A, +12V @ 83.3A, -12V @ 0.3A, +5VSB @ 3A
MTBF100,000 hours
ApprovalsFCC, ICES, CE, UL / CUL, CSA, C-Tick / RCM, TUV, CB, CU, KC Mark, RoHS, WEEE, RoHS (China), REACH.
Connectors1 x 24 pin ATX
3 x 8 pin (4+4) EPS (CPU)
6 x 8 pin (6+2) PCIe
14 x SATA
8 x 4 pin Peripheral
Cable Spec24Pin MB: One cable (610mm)
4+4Pin CPU: Three cables (650mm)
2 x PCI 6+2Pin: Three cables (600+150mm)
4 x SATA: Two cables (505+115+115+115mm)
3 x SATA: Two cables (520+115+115mm)
4 x 4pin PERIPHERAL: Two cables (450+100+100+100mm)
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 7.09"
Weight4.41 lbs.
Package ContentRM1000X
Safety leaflet
AC cable
DC cable set
Mounting screws
Cable ties
Shipping weight3.70 kg
Package size302 × 214 × 129 mm

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Questions about this item

How much power can the single +12 V rail deliver continuously?

The single +12 V rail is rated for 83.3 A, giving the full 1000 W capacity to graphics cards and CPU without multi-rail limits.

Does the 135 mm fan stay off at low load and how loud is it at full load?

Zero RPM mode stops the fan completely until internal temperatures rise; under sustained full load the rifle-bearing fan spins up but remains within the 80 PLUS Gold efficiency envelope.

Which cables are included in the box for a typical build?

The fully modular set includes one 24-pin ATX cable, three 4+4-pin EPS cables, three dual 6+2-pin PCIe cables, two four-SATA cables, two three-SATA cables and eight peripheral connectors.

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