Corsair
RM750x
Best reliable power supply for quiet, high-performance custom PC builds.
The CORSAIR RMx White Series RM750x is a 750 Watt fully modular power supply unit designed for high-quality PC builds. It boasts 80 PLUS Gold certification, ensuring over 90% efficiency for reduced energy consumption, lower heat, and quieter operation. Featuring 100% Japanese capacitors for unwavering power and long-term reliability, this PSU also includes a Zero RPM fan mode that keeps the fan off at low to medium loads for silent performance. CORSAIR backs this power supply with a ten-year warranty, offering peace of mind and reliable operation for years to come.
$144.99
More RMx Options
Corsair RMx RPS0161 1000W Power Supply
$233.97
Corsair RM850x
$99.00
Corsair RM1000x 1000 Watt Power Supply
$179.99
Corsair RM750x 750 Watt Cybenetics ATX Fully Modular Power Supply - ATX 3.1 Compatible
$134.99
RMx Series RM1000x
$158.40
Corsair RM650x
$124.99
RM850x SHIFT 80 PLUS Gold Fully Modular ATX Power Supply
$179.99
RMx Series RM850x
$108.99
RM1000x (2021)
$234.99
RMx Series RM650x
$268.46
CORSAIR RM1000x Fully Modular ATX Power Supply
$189.99
RM1200x Shift
$254.99
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-84%
Below average
Continuous Power
750
/ Watt
Who it's for
- Eco-conscious users wanting lower electricity bills and cooler components
- Quiet-seeking builders who prioritize silence during light tasks
- Aesthetic-focused enthusiasts building a clean, white-themed PC
Who should skip it
- Budget-minded shoppers looking for the most affordable power option
- Builders working within cramped, small-form-factor PC cases
- Casual users with low-power systems that don't require high wattage
Performance breakdown
Energy Efficiency
Gold certification ensures minimal power waste during intensive computing tasks.
Acoustic Performance
Zero RPM mode keeps the system whisper-quiet during light workloads.
Component Reliability
Japanese capacitors provide exceptional stability and long-term hardware protection.
Cable Management
Fully modular design simplifies installation and keeps your case clutter-free.
Build Longevity
A decade-long warranty reflects the manufacturer's confidence in internal components.
Power Stability
Delivers consistent, clean voltage to sensitive components under heavy load.
Key Specs
Continuous Power
750 Watt
Weight
3.31kg
Modularity
Fully Modular
Certifications
80 PLUS Gold
Capacitors
100% All Japanese Capacitors
Fan Mode
Zero RPM Fan Mode
Warranty
Ten-Year Warranty
Features
- Delivers 80 PLUS Gold certified power with over 90% efficiency.
- Utilizes 100% Japanese capacitors for unwavering power and long-term reliability.
- Features Zero RPM fan mode for silent operation at low and medium loads.
- Backed by a ten-year warranty for reliable operation across multiple system builds.
What customers say
Customers consistently praise the Corsair RMx White Series RM750x for its exceptional reliability and premium build quality. Many highlight its quiet operation, even under load, contributing to a superior user experience. The striking white aesthetic is frequently mentioned as a key differentiator, perfectly complementing white themed PC builds. Users appreciate the fully modular design, simplifying cable management and installation. While a premium product, its long term performance and aesthetic appeal justify the investment for many, making it a highly recommended choice for discerning builders.
Know before you buy
Fully modular means every cable can be detached from the power supply unit. This allows you to use only the cables your components actually need, which significantly reduces cable clutter and improves airflow inside your case.
The fan remains completely stationary during low to medium workloads, providing silent operation. It only begins to spin once the power supply reaches a higher temperature or load threshold.
750 watts is typically sufficient for most single-GPU gaming builds, including high-performance configurations. However, you should check the specific power requirements of your CPU and graphics card to ensure they fall within this limit.
Japanese capacitors are widely considered the industry standard for quality and longevity. They are designed to handle high temperatures and provide stable, consistent power delivery, which helps extend the overall lifespan of your power supply.
This certification confirms that the unit operates at over 90% efficiency under typical loads. Higher efficiency means the unit wastes less electricity as heat, resulting in lower power bills and a cooler-running system.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$145