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Overview

Power your build with precision and efficiency using the Corsair RM1200e ATX modular power supply. With a fully modular design, this 1,200W unit delivers reliable, efficient, low-noise performance. The compact 150mm casing fits effortlessly into any power supply compartment while the 140mm rifle bearing fan minimizes noise, even under full load.

Corsair RM1200e 1200-Watt ATX Modular Power Supply

Model: CP-9020258-NA
Web Code: 19204109
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Manufacturer's Warranty

Check with the manufacturer for details or add Best Buy Protection for extra coverage.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • RM1200e ATX Power Supply
  • Power Cord
  • DC Cables
  • Mounting Screws
  • Cable Ties
  • Fully modular PSU provides reliable, efficient, and low-noise power, allowing you to connect only the cables required for your system build
  • 1,200W design makes this unit ideal for high-end gaming systems, workstations, or power users
  • ATX 3.1 compliance follows Intel's ATX 3.1 standard, supports the PCIe Gen 5 platform, and effectively handles transient power spikes
  • Compact 150mm casing easily fits into any power supply compartment and provides additional space for cables
  • 140mm rifle bearing fan with a specially calculated fan curve minimizes noise, even when operating at full load
  • Zero RPM fan mode ensures near-silent operation at lower loads
  • Modern Standby compatibility offers extremely fast wake-from-sleep times and improved efficiency at low loads
  • 105-degree Celsius-rated 100% Japanese electrolytic capacitors provide steady, reliable power and consistent electrical performance
  • Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power and supports more energy-efficient sleep states
  • 80 PLUS Gold certification ensures up to 90% efficiency, while Cybenetics Platinum certification reduces power consumption, noise, and temperatures, providing steady power output
Product Condition
Brand New
Power
1200 W
80 PLUS Certification
80 PLUS Gold

Configuration

Power Supply Form Factor
ATX
Modular Cables
Yes
Modular or Non-Modular
Modular
Fan Size
140 mm

Electric

Input Voltage
100V a.c.-240V a.c.
+3.3 V Rail
20 A
+5 V Rail
20 A
+12 V Rail
110A
+5 V Standby
3 A

Connectors

Motherboard Connector
24-pin
4-Pin/8-Pin EPS Connector
2
8-Pin PCI-E Connector
2
Other Connectors
1x Modular PCIe 5.0 (16-PIN) (12+4); 4x Modular PCIe Cable (8-PIN) (6+2)/(6+2); 4x Modular PATA Cable (4 PATA)

Physical Features

RGB Lighting
No
Width
16 cm
Height
11 cm
Depth
15 cm
Weight
1.8 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.