CORSAIR RMe Series RM750e - 750W - ATX 3.1 PCIe 5.1

The CORSAIR RMe Series RM750e is a fully modular, low-noise ATX power supply designed for modern P...

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Product Information

Full details

The CORSAIR RMe Series RM750e is a 750W fully modular, low-noise ATX power supply designed for modern PC builders. It offers robust performance with ATX 3.1 and PCIe 5.1 compliance, including a dedicated 12V-2x6 GPU power cable, ensuring compatibility with the latest high-demand components. This power supply delivers reliable power efficiently, minimizing noise and heat, and its compact size simplifies installation, though its 750W output might not be sufficient for the most extreme, multi-GPU or highest-TDP CPU/GPU combinations.

All features

Model Part NumberCP-9020295-UK
BrandCorsair

Extended Product Information

FAQs

What does 'fully modular' mean for the CORSAIR RM750e?

A fully modular power supply means all cables can be detached from the PSU. This allows you to connect only the necessary cables for your build, reducing clutter, improving airflow, and making installation and cable management much easier.

Is the RM750e compatible with the latest graphics cards like NVIDIA's RTX 40 series?

Yes, the CORSAIR RM750e is ATX 3.1 and PCIe 5.1 compliant and includes a dedicated 12V-2x6 (12+4 pin) power cable. This ensures full compatibility and stable power delivery for modern high-performance graphics cards, including the NVIDIA RTX 40 series, as long as your total system wattage remains within the 750W limit.

What is the 'Zero RPM Fan Mode' and how does it work?

Zero RPM Fan Mode allows the PSU fan to completely stop when the power supply is under low to medium loads. This results in silent operation. The fan will automatically spin up when the load or internal temperature increases to maintain optimal cooling, and then stop again when conditions allow.

What is the warranty period for the CORSAIR RMe Series RM750e?

The CORSAIR RMe Series RM750e comes with a seven-year warranty, covering defects in material and workmanship under normal use.

Can I use cables from another CORSAIR PSU or a different brand with the RM750e?

No, it is critically important to only use the modular cables that came specifically with your CORSAIR RMe Series RM750e power supply, or officially compatible CORSAIR cables purchased separately and verified for this model. Pinouts can vary between PSU models and brands, and using incompatible cables can severely damage your components.

What does 'Cybenetics Gold efficiency' mean?

Cybenetics Gold is an independent certification indicating a high level of power efficiency. It means the PSU converts a high percentage of AC power from your wall outlet into usable DC power for your PC, with less energy wasted as heat. This results in lower electricity bills, cooler operation, and a longer lifespan for the PSU.

How do I clean the CORSAIR RM750e?

To clean the PSU, first ensure your PC is powered off and unplugged from the wall. Then, use a can of compressed air to gently blow dust out of the fan grille and ventilation openings. It's recommended to hold the fan blades gently to prevent them from spinning too fast during cleaning, which can damage the bearings.

Troubleshooting

PC does not power on after installing the RM750e.
  1. Ensure the PSU's main power switch on the back is set to 'ON' (I). 2. Check that the AC power cord is securely plugged into both the PSU and the wall outlet. 3. Verify that the 24-pin ATX motherboard cable and the CPU power cable (4+4-pin or 8-pin) are firmly seated in their respective ports on the motherboard and PSU. 4. Confirm the case's power button cables are correctly connected to the motherboard.
The PSU fan is not spinning, even when the PC is on.

The RM750e features a 'Zero RPM Fan Mode'. The fan is designed to remain off under low to medium loads for silent operation. It will only spin up when the PSU reaches a certain temperature or load threshold. This is normal behavior. If the fan never spins up even under heavy load (e.g., gaming), check that the fan cable (internal to the PSU) is not obstructed and the PSU is getting adequate ventilation. If the issue persists, contact CORSAIR support.

System crashes or reboots under heavy load (e.g., gaming or benchmarking).
  1. Ensure all power cables, especially the GPU and CPU power cables, are securely connected at both the PSU and component ends. 2. Verify that your system's total power draw (especially during peak loads) does not exceed the RM750e's 750W capacity. Use an online PSU calculator to estimate your system's needs. 3. Check that your wall outlet or surge protector is functioning correctly and not overloaded.
Modular cables from my old PSU don't fit or seem incompatible.

NEVER mix PSU cables from different brands or even different models within the same brand unless explicitly stated as compatible by the manufacturer. Pinouts can vary, potentially causing severe damage to your components. Always use only the cables provided with your CORSAIR RMe Series RM750e PSU.

A specific component (e.g., new GPU) is not receiving power or performing correctly.
  1. Double-check that the correct modular cable for that component is used and fully seated in both the PSU's output port and the component's input port. 2. For GPUs, ensure you are using the dedicated 12V-2x6 cable if required, or the appropriate 6+2 pin PCIe cables. 3. Verify that the component itself is functional by testing it in another system if possible.

Pros and Cons

Pros

  • Fully modular cables enable excellent cable management and a clean build.
  • Low noise levels, often silent under typical loads due to Zero RPM mode.
  • Future-proof with ATX 3.1 and PCIe 5.1 standards, including a 12V-2x6 cable for modern GPUs.
  • High-quality industrial-grade components ensure superb electrical performance and reliability.
  • Cybenetics Gold efficiency reduces heat generation and energy consumption.
  • Compact form factor simplifies installation in various PC cases.

Cons

  • 750W might be limiting for the most extreme high-end PC builds with top-tier CPUs and GPUs running simultaneously at full load.
  • Seven-year warranty, while good, is not as long as some premium PSUs offering ten years or more.

Setup, Compatibility & Care

Proper setup, ensuring compatibility, and regular care are crucial for the optimal performance and longevity of your CORSAIR RMe Series RM750e power supply.

Setup Instructions

  1. Unboxing and Inspection: Carefully remove the PSU from its packaging and inspect it for any physical damage.
  2. Mounting: Install the PSU into the dedicated PSU bay in your PC case, typically at the bottom or top rear. Secure it with the four provided screws.
  3. Connect Main Power Cables: Attach the 24-pin ATX motherboard cable and the 4+4-pin (or 8-pin) EPS/CPU cable to your motherboard. Ensure they click firmly into place.
  4. Connect GPU Power Cables: For modern GPUs requiring a 12V-2x6 cable, connect the dedicated cable to the PSU and your graphics card. If your GPU uses traditional 6+2 pin PCIe cables, connect those instead. Only use the cables provided with your CORSAIR PSU.
  5. Connect Peripheral Cables: Attach SATA power cables for SSDs/HDDs and Molex cables for any other peripherals as needed.
  6. Route and Manage Cables: Utilize the fully modular design to route cables neatly behind the motherboard tray or along the case's cable management channels. Use cable ties or Velcro straps for organization.
  7. Final Power Connection: Ensure the PSU's power switch is in the 'OFF' (0) position. Connect the AC power cord to the PSU and then to a wall outlet or surge protector.
  8. Power On: Flip the PSU's power switch to 'ON' (I) and then power on your PC from the case power button.

Compatibility

  • Form Factor: Standard ATX power supply, compatible with most ATX-compliant PC cases.
  • Motherboard: Compatible with all ATX motherboards requiring 24-pin and 4+4-pin (or 8-pin) CPU power connectors.
  • Graphics Cards: Full compatibility with current and next-generation GPUs thanks to ATX 3.1 and PCIe 5.1 compliance, including the dedicated 12V-2x6 (12+4 pin) connector for high-power NVIDIA GPUs.
  • Storage/Peripherals: Standard SATA and Molex connectors for various storage drives and accessories.

Care and Maintenance

  • Dust Removal: Periodically (every 3-6 months, or more often in dusty environments), power off and unplug your PC. Use compressed air to gently blow dust out of the PSU fan grille and vents. Hold the fan still to prevent over-spinning during cleaning.
  • Airflow: Ensure there's adequate airflow around your PC case. Avoid placing the PC in confined spaces that restrict ventilation.
  • Cable Inspection: Occasionally check all modular cable connections to ensure they are seated firmly, especially after moving the PC.
  • Avoid Overloading: Do not exceed the PSU's rated 750W output. Monitor your system's power consumption if you suspect you're pushing its limits, especially with multiple high-draw components.

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