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Rectangular black ATX power supply with modular cable sockets and single fan grille

Corsair

Corsair CP-9020057-NA/RF AX1500i 1500W power supply

SKU CH-ZDVH-YE9S0 MPN CP-9020057-NA/RF

A 1500 W ATX unit with a single +12 V rail, full modular cabling and 80 PLUS Titanium efficiency at 94 %

  • TypeATX12V v2.4 / EPS 2.92
  • Maximum Power1500 W
  • Fans1
  • +12V RailsSingle
  • PCI-Express Connector10
  • SATA Power Connector20
  • Delivers 1500 W maximum power for demanding multi-GPU builds
  • 80 PLUS Titanium certification confirms 94% efficiency at real-world loads
  • Fully modular cabling reduces clutter and improves airflow
  • Single +12 V rail supplies 125 A for stable high-current delivery
  • DSP-controlled regulation provides clean power with real-time adjustments

1500W ATX Titanium PSU

The Corsair AX1500i is a fully modular ATX12V v2.4 power supply rated at 1500 W with a single +12 V rail capable of 125 A. It carries 80 PLUS Titanium certification and achieves 94% efficiency under typical loads. A Digital Signal Processor manages voltage regulation and enables real-time monitoring through Corsair Link software.

Multi-GPU builders and workstations

This unit suits systems that demand up to ten PCIe 6+2 pin connectors and twenty SATA power connectors for dense storage arrays. The Zero RPM fan mode allows silent operation at low load. Builders needing fewer connectors or a lower maximum wattage should consider a smaller power supply.

Single +12 V rail at 125 A

The single-rail design delivers the full 1500 W through one +12 V rail rated at 125 A, simplifying cable routing for high-current graphics cards. Over-voltage and overload protection are included. MTBF is rated at 100000 hours.

Highlights

  • Delivers 1500 W maximum power for demanding multi-GPU builds
  • 80 PLUS Titanium certification confirms 94% efficiency at real-world loads
  • Fully modular cabling reduces clutter and improves airflow
  • Single +12 V rail supplies 125 A for stable high-current delivery
  • DSP-controlled regulation provides clean power with real-time adjustments

Specifications

BrandCORSAIR
SeriesAX1500i
ModelCP-9020057-NA/RF
TypeATX12V v2.4 / EPS 2.92
Maximum Power1500 W
Fans1
+12V RailsSingle
PCI-Express Connector10
SATA Power Connector20
ModularFull Modular
Efficiency94%
Energy-Efficient80 PLUS TITANIUM Certified
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15 - 8A
Output+3.3V at 30A, +5V at 30A, +12V at 125A, -12V at 0.8A, +5Vsb at 3.5A
MTBF100,000 hours
ConnectorsMotherboard cable (20+4 pin): 1
CPU power Cable( 4+4-pin, works as either 4 or 8-pin: 2
PCIe 6+2 pin (GPU): 6
PCIe 6+2 pin (GPU): 6
4-pin peripheral cable: 3
SATA cable: 5
Floppy power adapter cable: 2
FeaturesDigital Signal Processor (DSP) for delivering extremely clean, efficient power with real-time adjustments.
Corsair Link Integration for monitoring and adjustment of performance, noise, and OCP settings.
80 PLUS Titanium Efficiency, delivering 94% energy efficiency at real world load conditions.
ZeroRPM mode for fanless operation at low loads and outstanding noise reduction.
140mm thermally controlled fluid dynamic bearing fan spins up as needed.
Fully Modular low profile cables for easy installation, less clutter, and helps maximize airflow through your computer’s chassis.
Engineered
Dimensions3.39" x 5.91" x 8.86"
Weight10.80 lbs.
Under Voltage ProtectionYes
Over Current ProtectionYes
Shipping weight5.67 kg
Package size450 × 226 × 152 mm

Questions about this item

Does the Corsair AX1500i come with all cables needed for a motherboard, two CPUs and six graphics cards?

The box includes one 20+4 pin motherboard cable, two 4+4 pin CPU cables, six PCIe 6+2 pin GPU cables, five SATA cables, three 4-pin peripheral cables and two floppy adapters.

The specs list ten PCIe connectors but only six GPU cables — how do I use the remaining four?

Each of the six supplied cables carries two 6+2 pin heads, giving twelve total heads; the ten-connector rating means the unit can power up to ten PCIe devices simultaneously.

What does the 1500 W rating mean when the +12 V rail is rated for 125 A?

The single +12 V rail can deliver 125 A, which equals the full 1500 W capacity, so the headline figure is available to GPUs and CPUs without rail balancing.

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