CORSAIR 75-004545 Modular Atx Power Supply Pin Pcie Sata RM850X 850W 6/2

( Brand: Corsair ), ( Manufacturer Part Number: 75-004545 ), ( Compatible Brand: Universal ), ( Voltage Compatibility: 100-240 V ), ( Cooling: 1 Fan ), ( Color: Black ), ( Compatible Model: Rm850x, Cp9020180 ), ( Item Length: - ), ( Maximum Input Current: 13a ), ( Connectors: 24 Pin, 4 4 Cpu, 6 2 Pci Express, Sata, 4 Pin Peripheral ), ( Form Factor: Atx ), ( Type: Fully Modular Power Supply ), ( Maximum Power: 850 W ), ( Features: Modular )

Review CORSAIR Fully Modular Atx Power Supply 850w Pin 6/2 Pcie Sata

The Corsair RM850x is an impressive 850-watt modular ATX power supply that delivers reliable and efficient power to your PC components. This power supply unit (PSU) is part of Corsair's RMx series, which is renowned for its quiet operation and high performance.

The RM850x is 80 PLUS Gold certified, ensuring an efficiency of 90% or higher under typical loads and 87% or higher under 20% load, minimizing energy waste and saving you money on electricity bills. The unit uses a single 12V rail, which can deliver up to 70A, making it capable of powering even the most demanding systems.

This power supply features a fully modular design, allowing you to connect only the cables you need, reducing clutter and improving airflow inside your case. It comes with a total of 16 12V cables, 2 x 4-pin EPS12V connectors, 2 x 6 2-pin PCIe cables, 10 x SATA power cables, and 4 x peripheral power cables.

The RM850x incorporates Corsair's Zero RPM fan technology, which keeps the fan at a standstill until the PSU reaches specific temperature thresholds, ensuring quiet operation under light loads. In addition, the fan uses hydrodynamic bearings for long-lasting performance.

This power supply is built with high-quality components, including Japanese capacitors, to provide exceptional reliability and stability. It also includes an over-voltage protection, over-current protection, short-circuit protection, and over-temperature protection to safeguard your components.

In conclusion, the Corsair RM850x is a high-performance, quiet, and efficient modular ATX power supply that is perfect for powering demanding PC systems. With its modular design, impressive efficiency ratings, and advanced safety features, it is an excellent choice for PC enthusiasts and professionals alike.

A Detailed Analysis of the Corsair RM850x Modular ATX Power Supply (Corsair 75-004545)

The Corsair RM850x is a high-performance, 850-watt modular ATX power supply. It is known for its quiet operation, high efficiency, and fully modular design. Here, we will discuss the pros and cons of this power supply to help you make an informed decision.

1. High Efficiency: The Corsair RM850x achieves an impressive 80 PLUS Gold certification, meaning it converts up to 90% of the input power into usable power for the computer.

2. Quiet Operation: Corsair's Zero RPM fan mode ensures that the fan only spins when necessary, providing near-silent operation under low to medium loads.

3. Fully Modular Design: Modular cables allow for easy cable management and the ability to configure the power supply according to the specific needs of your build.

4. 10-Year Warranty: Corsair offers a comprehensive 10-year warranty on the RM850x, providing peace of mind for potential customers.

5. High Amperage Rails: The power supply offers a 60A 12V rail and a 40A 5V rail, ensuring ample power for high-end components.

1. Price: The Corsair RM850x is priced at the higher end of the power supply market, which may be a deterrent for some potential customers.

2. Limited Connectors: The power supply comes with only a few PCIe and SATA connectors, which may not be enough for some builds. Additional cables can be purchased separately.

3. Size: The RM850x is larger than some competitors in its class due to its fully modular design and high efficiency.

The Corsair RM850x offers a combination of high efficiency, quiet operation, and a fully modular design, making it an excellent choice for high-end PC builds. While its price tag may be higher than some competitors, the benefits it provides justify the investment for many users.

If you're building a high-performance PC and are looking for a reliable, efficient, and quiet power supply, the Corsair RM850x is an excellent choice. Its modular design and comprehensive warranty make it a worthwhile investment for those who value silent operation and easy cable management. However, if budget is a concern, you may want to consider other options with similar specifications but lower price points.

Details:

As pictured, tested working pull.

part #: 75004545 prices

• $79.95-$99.99

specifications powsuppy:

• brand: Corsair
• mpn: 75-004545
• compatible brand: Universal
• voltage compatibility: 100-240 V
• cooling: 1 Fan
• color: Black
• compatible model: Rm850x, Cp9020180
• item length: -
• maximum input current: 13a
• connectors: 24 Pin, 4 4 Cpu, 6 2 Pci Express, Sata, 4 Pin Peripheral
• form factor: Atx
• type: Fully Modular Power Supply
• maximum power: 850 W
• features: Modular

seller powsuppy:

• city: New Bedford, Massachusetts
• # reviews: 107
• rating: 100.0%

general powsuppy:

• Computers/Tablet's Networking > Computer Components Parts > Power Supplies
• condition: Used

returns powsuppy:

• policy: No Returns

payments powsuppy:

• credit card: Mastercard
• other
• wallet: Paypal

shipping powsuppy:

• type: Calculated
• transit: 7-11 Days
• carrier: USPS
• cost: $15.98
• class: Standard
• service: USPS Ground Advantage

offer powsuppy:

• started: March 26, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock

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