The Corsair RM1200x SHIFT (CP-9020254-NA) is a high-performance 1200W fully modular power supply built for enthusiast gaming PCs, workstations, and creator rigs. Its exclusive side-mounted SHIFT modular interface revolutionizes cable management—offering quick, clean access even in compact ATX cases. Delivering 80 PLUS Gold efficiency and ATX 3.0 + PCIe 5.0 readiness, it’s engineered for the latest GPUs and CPUs, featuring a native 12VHPWR (12+4 pin) 600W cable for NVIDIA RTX 4090/4080 and modern AMD Radeon graphics cards. Designed for silence and reliability, it includes a 140mm FDB fan with Zero RPM Mode and 105°C-rated Japanese capacitors for long-term stability—perfect for gaming enthusiasts, PC builders, and IT professionals seeking premium performance and efficiency.
Key Features & Benefits
- 1200W Continuous Output: Delivers ample headroom for high-end GPUs and overclocked systems
- ATX 3.0 & PCIe 5.0 Compliant: Future-proof design ready for next-generation components
- Native 12VHPWR Cable: 600W PCIe Gen5 connector supports RTX 4090/4080 GPUs without adapters
- SHIFT Side-Connector Interface: Unique design improves accessibility and airflow in tight cases
- 80 PLUS Gold Certified: Up to 90% efficiency reduces heat, noise, and power costs
- Fully Modular Cabling: Use only required cables for cleaner builds and easier maintenance
- 140mm Fluid Dynamic Bearing Fan: Quiet cooling with Zero RPM Mode at low loads
- Japanese 105°C Capacitors: Premium components ensure long-term durability and performance
- Advanced Voltage Regulation: DC-to-DC conversion for stable and precise power delivery
- Comprehensive Protections: OVP, OCP, OPP, SCP, OTP, and UVP safeguards
- Universal Compatibility: Fits all standard ATX cases—ideal for gaming, workstation, and creative builds
Specifications
- Brand: Corsair
- Series: RMx SHIFT Series
- Model: RM1200x SHIFT
- Part Number: CP-9020254-NA
- Power Output: 1200W continuous
- Efficiency: 80 PLUS Gold (up to 90%)
- Compliance: Intel ATX 3.0, PCIe 5.0 ready
- Connector: Native 12VHPWR (12+4) PCIe Gen5
- Cooling: 140mm FDB fan, Zero RPM Mode
- Modularity: Fully modular with side-mounted SHIFT interface
- Protections: OVP, OCP, OPP, UVP, SCP, OTP
- Input Voltage: 100–240V AC, auto-ranging
- Connectors: 24-pin ATX, dual 8-pin EPS, multiple PCIe 8-pin, SATA, and Molex
- Dimensions: 180 × 150 × 86 mm (L×W×H)
- Color: Black
- Condition: Like New (Open Box / Excellent Condition)
Frequently Asked Questions
- Is it compatible with RTX 4090/4080?
Yes. Includes a native 12VHPWR 600W PCIe 5.0 cable for RTX 4090/4080 and future GPUs. - Does it work with both AMD and Intel platforms?
Yes. ATX 3.0 compliance ensures full compatibility with Ryzen and Intel 13th/14th Gen builds. - How quiet is the fan?
The Zero RPM Mode keeps it silent during low and medium loads; the fan ramps smoothly under stress. - How does the SHIFT design improve installation?
The side-mounted connector panel makes cable access easier and airflow cleaner—especially in tight cases. - Is it suitable for professional or enterprise builds?
Absolutely. Ideal for CAD, 3D rendering, content creation, and IT workstations.