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Black rectangular ATX power supply with 140mm fan and fully modular cable sockets

Corsair

Corsair HX1000i CP-9020259-NA power supply

SKU CH-0Z0F-J3NXZ MPN CP-9020259-NA

A fully modular 1000 W ATX 3.1 power supply with a 140 mm fluid dynamic bearing fan, 80 Plus Platinum efficiency and iCUE software control for custom fan curves and rail switching

  • TypeATX 3.0 Compatible
  • Maximum Power1000 W
  • Fans1 x 140 mm Fluid Dynamic Bearing Fan
  • PCI-Express Connector4 x 6+2-Pin
  • SATA Power Connector8
  • Max PSU Length180 mm

Options ATX 3.0 80+ Platinum (1000W)

  • Fully modular cabling keeps builds clean and tidy
  • ATX 3.1 and PCIe 5.1 compliance supports modern platforms
  • 140 mm fluid dynamic bearing fan runs quietly and lasts longer
  • iCUE software enables custom fan curves and OCP switching
  • Zero RPM mode stops the fan at low loads for silent operation

Corsair HX1000i 1000W Fully Modular PSU

The Corsair HX1000i is a 1000W fully modular ATX power supply built for high-performance desktop systems. It meets the ATX 3.1 and PCIe 5.1 standards, making it ready for modern graphics cards and platforms. The unit carries 80 Plus Platinum certification for 92% typical efficiency. Digital control via CORSAIR iCUE software allows custom fan curves and real-time monitoring.

Build Quality and Connector Layout

A 140mm fluid dynamic bearing fan supports a Zero RPM mode that stops the fan at low and medium loads for silent running. Japanese 105°C electrolytic capacitors and a fully digital LLC resonant topology with DC-to-DC conversion deliver clean power and reduce coil whine. The fully modular design includes a native 12VHPWR 12+4 pin cable, two 4+4 pin EPS cables, four 6+2 pin PCIe cables, and eight SATA connectors across two cables. The housing measures 180mm deep.

Compatibility Checks Before Ordering

Verify that your case can accommodate a 180mm deep ATX power supply and that the 610mm 24-pin ATX, 650mm EPS, and 650mm 12VHPWR cables reach your motherboard and GPU routing paths. Confirm your graphics card requires a 12VHPWR connection or standard 6+2 pin PCIe plugs. Ensure your mains supply operates within the 100-240V, 47-63Hz input range.

Highlights

  • Fully modular cabling keeps builds clean and tidy
  • ATX 3.1 and PCIe 5.1 compliance supports modern platforms
  • 140 mm fluid dynamic bearing fan runs quietly and lasts longer
  • iCUE software enables custom fan curves and OCP switching
  • Zero RPM mode stops the fan at low loads for silent operation

Specifications

BrandCORSAIR
SeriesHXi Series
ModelHX1000i 2023
Part NumberCP-9020259-NA
TypeATX 3.0 Compatible
Maximum Power1000 W
Fans1 x 140 mm Fluid Dynamic Bearing Fan
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector8
Max PSU Length180 mm
ModularFull Modular
Energy-Efficient80 PLUS PLATINUM Certified
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current13A-6.5A (100Va.c.-240Va.c.)
10A (200Va.c.-240Va.c.)
Output+3.3V@25A, +5V@25A, [email protected] , [email protected] , +5VSB@3A
Connectors1 x 12VHPWR (12+4) PCIe / 1 x 24 pin ATX / 2 x 8 pin (4+4) EPS (CPU) / 4 x 8 pin (6+2) PCIe / 8 x SATA
Cable Spec1 x ATX CABLE 24-PIN (24): 610mm
2 x EPS/ATX12V CABLE 8-PIN (4+4): 650mm
2 x PCIe CABLE 8-PIN (6+2): 675mm, 100mm
1 x PCIe CABLE 16PIN (12+4): 650 mm
2 x SATA CABLE (4 SATA - Straight)): 455mm, 115mm, 115mm, 115mm
2 x PATA CABLE (4-PIN): 450mm, 100mm, 100mm
1 x USB(TYPE C) to 10-1PIN: 525 mm
FeaturesFully modular cabling, so you connect only the cables your system needs.
Compliant with the ATX 3.0 power standard from Intel®, supporting the PCIe Gen 5 platform and resisting transient power spikes.
A 140mm fluid dynamic bearing (FDB) fan delivers extremely quiet and long-lasting fan performance.
Powerful CORSAIR iCUE software enables you to create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-the-fly.
Zero RPM fan mode for near-silent operation at low to medium loads.
100% Industrial-grade, 105°C rated Japanese e
Dimensions7.09" x 5.91" x 3.39"
Weight4.4 lbs
Package ContentHXi Series ATX Power Supply | Power cord | DC Cables | Mounting screws | Cable ties
Shipping weight3.67 kg
Package size310 × 213 × 132 mm

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Questions about this item

Will the 180 mm depth fit in a standard mid-tower case?

The unit measures 180 mm long; most mid-tower cases accept up to 200 mm, so it should fit, but verify your case's maximum PSU length before buying.

Does the included 12VHPWR cable support a PCIe 5.1 graphics card?

Yes, the box includes a 16-pin 12+4 cable rated for the PCIe 5.1 standard, so you can connect a Gen 5 GPU without an adapter.

Can I run the fan completely silent at idle?

Zero RPM mode stops the 140 mm fluid dynamic bearing fan at low and medium loads, giving near-silent operation until the load rises.

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