Corsair SF850L 850W Modular


The Corsair SF850L is a fully modular low-noise SFX power supply that delivers 850 watts of power, meeting ATX 3.0 and PCIe 5.0 standards. With an 80 Plus Gold efficiency rating and a quiet 120mm PWM fan, it features a Zero RPM mode for silent operation and is built with 105°C-rated capacitors for durability.


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Specifications:

Model: Corsair SF850L 850W Modular

Watt: 850.0 W

ATX Version: ATX 3.0

Modular Design: Yes

Dimensions: N/A

Weight: 2.15

Power Efficiency Rating: Platinum

Cooling System: FDB

MTBF (Hours): 100,000 hours

Connectors: 1 ATX, 3 EPS, 12 SATA, 3 PATA, 3 PCIe

Protection Features: N/A

Safety Certifications: N/A

Zero RPM Mode: Yes

Manufacturer Page: Link


Review

The Corsair SF850L stands out as a robust solution for enthusiasts looking to power their advanced gaming setups or workstations. With a substantial 850-watt capacity, this power supply unit (PSU) is not only powerful but also boasts compliance with the latest ATX 3.0 & PCIe 5.0 standards, ensuring compatibility with current and upcoming hardware demands.

Key Features and Technical Specifications

The Corsair SF850L is designed as a fully modular power supply, which significantly enhances cable management within your PC build. The modular design allows users to attach only the cables necessary for their setup, reducing clutter and improving airflow. Featuring a quiet 120mm PWM fan, the PSU operates efficiently, maintaining a low-noise environment even during heavy load scenarios. Additionally, with the inclusion of the Zero RPM Mode, the fan halts entirely under low to moderate loads, creating a silent computing experience.

Rated for 80 Plus Gold efficiency, the Corsair SF850L promises remarkable energy savings, translating to lower electricity bills and reduced heat output—key considerations for any environmentally conscious user. The PSU is constructed with 105°C-rated capacitors, indicative of durability and reliability, promising a long service life.

User Experience and Industry Reviews

According to TechYard's review, the Corsair SF850L power supply earns high marks for its quiet performance and ease of installation. Users appreciate the PSU's ability to maintain low acoustic levels, even when powering demanding systems, due to its advanced cooling system powered by a Fluid Dynamic Bearing (FDB) fan. The high fan quality, coupled with the unit's modular nature, allows for seamless installation in SFX-compatible cases.

Performance Overview

A crucial aspect of any PSU is its capability to deliver stable and consistent power. The Corsair SF850L achieves this with aplomb. Its 850-watt output comfortably supports modern graphics cards and processors, and the multiple connectors available, including 1 ATX, 3 EPS, 12 SATA, 3 PATA, and 3 PCIe, cater to varied hardware setups. Whether you’re overclocking your GPU or running a multi-core processor at full tilt, the Corsair SF850L does not falter.

Pros and Cons

  • Pros: Fully modular design for superior cable management; ATX 3.0 & PCIe 5.0 compliant for future-proofing; Zero RPM mode for silent operation; 80 Plus Gold efficiency for energy savings; Durable 105°C-rated capacitors.
  • Cons: At a price of $153.63, it might be considered expensive as compared to other units in its category; its power capacity may be overkill for those with less demanding systems.

Conclusion

The Corsair SF850L is a noteworthy addition to any high-performance gaming or workstation setup. While it comes with a premium price tag, its features and specifications justify the cost. Its substantial power delivery, coupled with energy efficiency and noise reduction capabilities, make it a valuable investment for serious users. The power supply is not only a symbol of robust engineering but also a paragon of modern design tailored for future PC builds.


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