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corsair
Released 2023
psu category

RM1200x Shift

Hardware Component

MSRP
$239
Score
960
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Power & Efficiency

TDP / Wattage1200W

Quick Summary

The RM1200x Shift delivers solid performance with a score of 960. A reliable component for PC builds.

Advantages

  • Reliable performance for its class
  • Standard feature set

Considerations

  • Price may vary by region
  • Stock availability fluctuates

Performance Benchmarks

Synthetic & Real-world Tests
Overall Performance
Aggregated sub-scores
960 pts

Technical Specs

Wattage1200W
Rating80+ Gold
ModularFully Modular
ATX StandardATX 3.0

Value Proposition

Price per Point$0.25

Cost efficiency metric. Lower is better.

Our Verdict:A reliable mid-range PSU offering good value. It handles current generation workloads well, though it may show its age sooner than premium alternatives.

Understanding the RM1200x Shift

The RM1200x Shift delivers 1200W of power with a 80+ Gold efficiency rating. This certification means the unit converts wall power to usable DC power with minimal waste. Higher efficiency ratings like 80 Plus Gold, Platinum, and Titanium reduce electricity costs and heat output.

Fully Modular cabling options affect build aesthetics and airflow. Fully modular units let you use only necessary cables. This reduces clutter and improves cable management. Semi-modular units have permanently attached essential cables with optional connections for extras.

The ATX 3.0 standard ensures compatibility with current motherboards and graphics cards. ATX 3.0 power supplies include 12VHPWR connectors for modern GPUs. Verify your components' power requirements match available connections.

Choosing the Right Wattage

Calculate total system power draw before selecting a PSU. Add CPU TDP, GPU power requirements, and approximately 100W for other components. Online calculators from OuterVision provide detailed estimates based on specific hardware.

Running a PSU at 50 to 80 percent load optimizes efficiency. A 750W unit powering a 450W system operates in its sweet spot. Oversizing provides headroom for upgrades and transient power spikes that modern GPUs generate.

Quality matters more than wattage alone. A well-built 650W unit outperforms a cheap 850W unit. Reviews from Tom's Hardware and TechPowerUp analyze internal components, voltage regulation, and ripple suppression.

Frequently Asked Questions

What wattage is the RM1200x Shift?
The RM1200x Shift provides 1200W of power, enough for most gaming and workstation builds.
What efficiency rating does the RM1200x Shift have?
This unit carries a 80+ Gold certification, indicating power conversion efficiency levels.
Is the RM1200x Shift modular?
This power supply features Fully Modular cabling, affecting cable management flexibility.
Can the RM1200x Shift handle a high-end GPU?
Check total system power requirements. The wattage should exceed your components' combined draw by 20 to 30 percent.
What protection features does the RM1200x Shift include?
Quality units include over-voltage, over-current, and short circuit protection to safeguard your components.
Should I buy a higher wattage PSU?
Extra headroom allows for future upgrades and keeps efficiency in the optimal range. Slight oversizing makes sense.
How do I install the RM1200x Shift?
Mount the PSU in your case, connect main motherboard power, CPU power, and GPU power cables. Route excess cables neatly.
What warranty does the RM1200x Shift have?
Warranty details vary. Premium power supplies typically offer 7 to 12 year warranties.