CORSAIR 48-008667 Modular Power Supply RM850X 850W

( Brand: Corsair ), ( Manufacturer Part Number: 48-008667 ), ( Model: RM850X ), ( Maximum Power: 850 W ), ( Color: Gold ), ( Features: Modular ), ( Cooling: 1 Fan ), ( Rating: 80 Plus Gold ), ( Serial Number: 02630028654047 ), ( Form Factor: Atx ), ( Type: Power Supply, Fully Modular ), ( Manufacturer Warranty: No )

Review CORSAIR Plus Gold 850w Fully Modular Power Supply

The Corsair RM850x 80 Gold Certified 850W Modular Power Supply is an exceptional choice for powering high-performance computers and complex systems. This powerful and efficient unit offers a total output of 850 watts, making it capable of supplying enough power for multiple high-end components and peripherals. Its 80 Gold certification ensures an impressive efficiency level of up to 90% under typical loads and up to 92% under 20% load, translating into lower electricity consumption and reduced heat generation.

The RM850x features Corsair's renowned modular design, allowing users to connect only the cables they need, simplifying cable management within the case. The unit comes with a fully modular set of cables for the 24-pin ATX motherboard, four 12V CPUs, one 8-pin EPS12V, two 6 2-pin PCIe, two SATA, and two Molex connectors. This flexibility makes it a popular choice for those who value a clean and uncluttered build.

The RM850x's quiet operation is achieved through Corsair's Zero RPM fan mode, which allows the fan to remain off below specific temperature thresholds, ensuring a near-silent experience under light loads. When the fan does start, it operates at a low speed, minimizing noise and heat output.

This power supply is constructed with high-quality components, including 105 C Japanese capacitors, ensuring reliability and longevity. It also comes with a 10-year warranty, giving users peace of mind and protection against any potential manufacturing defects or issues.

In summary, the Corsair RM850x 80 Gold Certified 850W Modular Power Supply is a powerful, efficient, and quiet choice for powering demanding systems. Its modular design, impressive efficiency levels, and long-lasting components make it a solid investment for any PC build.

Corsair RM850x 80 Gold Modular Power Supply: A Detailed Analysis

The Corsair RM850x is a high-performance, 850-watt, 80 Gold certified modular power supply. In this analysis, we will examine its key features, advantages, and potential drawbacks to help you make an informed decision.

1. 850-watt capacity

2. 80 Gold certification

3. Fully modular design

4. Zero RPM fan mode

5. High efficiency

6. Active PFC

7. Single 12V rail

8. Multi-GPU support

9. Overvoltage, overcurrent, and short-circuit protection

1. High power capacity: The Corsair RM850x provides ample power for most high-end systems, allowing for future upgrades and expansion.

2. Modular design: The fully modular design allows users to configure the power cables as needed, reducing clutter and improving airflow within the case.

3. Quiet operation: The zero RPM fan mode ensures silent operation under light loads.

4. High efficiency: The 80 Gold certification guarantees a minimum efficiency of 90% under typical loads and a maximum efficiency of 92% under full load.

5. Active PFC: Active PFC ensures that the power supply draws power efficiently from the wall outlet and meets energy efficiency regulations.

1. Price: The Corsair RM850x is more expensive than some other power supplies with similar wattage and features.

2. Size: The dimensions of the power supply (150mm x 86mm x 160mm) may not fit in smaller cases or require additional clearance.

3. Limited connectors: The power supply comes with fewer PCIe connectors (two) compared to some competitors in its price range.

The Corsair RM850x is a reliable and efficient power supply with a high power capacity, modular design, and quiet operation. Its advantages, such as high efficiency, active PFC, and zero RPM fan mode, make it an excellent choice for high-end systems. However, its relatively high price and limited PCIe connectors may deter some users. Ultimately, if you're looking for a high-performance, quiet, and efficient power supply with a modular design, the Corsair RM850x is a solid recommendation.

Details:

Lightly used Corsair 850x 80 plus Gold.

part #: 48008667 prices

• $79.95-$99.99

specifications powsuppy:

• brand: Corsair
• mpn: 48-008667
• model: Rm850x
• maximum power: 850 W
• color: Gold
• features: Modular
• cooling: 1 Fan
• rating: 80 Plus Gold
• serial number: 02630028654047
• form factor: Atx
• type: Power Supply, Fully Modular
• manufacturer warranty: No

payments powsuppy:

• wallet: Paypal
• credit card: Diners-club
• other

seller powsuppy:

• city: Lancaster, California
• rating: 100.0%
• # reviews: 133

returns powsuppy:

• policy: No Returns

shipping powsuppy:

• transit: 7-13 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• cost: $15.73

offer powsuppy:

• started: May 21, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

general powsuppy:

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

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