corsair
Released 2018
psu category

SF750

Hardware Component

MSRP
$184
Score
960
Test in Calculator
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Power & Efficiency

TDP / Wattage750W

Quick Summary

The SF750 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

Wattage750W
Rating80+ Platinum
ModularFully Modular
ATX StandardSFX

Value Proposition

Price per Point$0.19

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 SF750

The SF750 delivers 750W of power with a 80+ Platinum 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 SFX 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 SF750?
The SF750 provides 750W of power, enough for most gaming and workstation builds.
What efficiency rating does the SF750 have?
This unit carries a 80+ Platinum certification, indicating power conversion efficiency levels.
Is the SF750 modular?
This power supply features Fully Modular cabling, affecting cable management flexibility.
Can the SF750 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 SF750 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 SF750?
Mount the PSU in your case, connect main motherboard power, CPU power, and GPU power cables. Route excess cables neatly.
What warranty does the SF750 have?
Warranty details vary. Premium power supplies typically offer 7 to 12 year warranties.