Best 850w Power Supplies

Tom's Hardware reviewed the EVGA SuperNOVA 850 G7 as an 80 Plus Gold certified power supply delivering 92% efficiency or higher under typical loads. The unit features 100% Japanese capacitors, full modularity for improved airflow, and a fluid dynamic bearing fan with Eco mode for quiet operation and longevity. EVGA backs it with a 10-year limited warranty, positioning it as a reliable choice for gaming rigs, content creation workstations, or general builds requiring stable power delivery. This PSU is ideal for users seeking high-quality, efficient power with extended warranty coverage.

The Corsair RM850e delivers reliable performance as part of Corsair's new RM series, offering fully modular cabling and native 12V-26 connectors for modern GPU support. Reviewers noted its efficient Cybenetics Gold-Certified design and quiet operation with zero RPM fan mode. While it provides solid power delivery and build quality, it trails competitors in warranty length, though KitGuru found only a £10 UK price difference over the 750W model. This PSU suits enthusiasts seeking a balance of efficiency and reliability without the premium warranty of flagship models.

The Thermaltake Toughpower GF A3 850W is a high-end PSU with Platinum efficiency certification and full ATX v3.0/PCIe 5.0 compatibility. It features a 160mm depth design, fully modular cabling, and semi-passive operation. It offers excellent efficiency and a decade-long warranty, and Tom's Hardware lists a 135mm fluid dynamic bearing fan.

The Cooler Master MWE Gold 850 V2 is a fully modular power supply with 80 Plus Gold certification, designed for high-performance systems. Tom's Hardware reviewed it as a reliable option for demanding builds, noting its fully modular design and two EPS connectors. The unit features an upgraded fan and comes with a five-year warranty. While reviewers praised its efficiency and build quality, specific drawbacks were not detailed in the cited reviews. This PSU is ideal for enthusiasts and professionals seeking a dependable power solution with modular flexibility and extended warranty coverage.

The MSI MAG A850GL PCIE5 is an 80 Plus Gold certified power supply designed for next-generation builds. It supports PCIe 5.0 and ATX 3.0 standards, featuring MSI Dragon branding on an understated look that LDLC says suits a dark tower better than a white one. The unit includes a comprehensive set of cables including 12VHPWR, PCIe, SATA, and legacy connections. Reviewers noted its solid build quality and compatibility with modern high-end components, though no significant drawbacks were identified in the cited reviews.

The Seasonic Focus GX-850 is a compact, fully modular 850W power supply designed for modern systems with ATX v3.1 and PCIe 5.1 support. It features a 10-year warranty and efficient operation with 80+ Gold certification. However, some users have reported fan noise issues, particularly under light load gaming conditions. This PSU is ideal for mid-tower builds and high-performance systems requiring reliable power delivery.

The ASUS ROG Strix 850G Aura delivers a robust build quality with its 1.5mm sheet metal construction and distinctive grille design that extends over the front with the fan. The PSU features an 80 Plus Gold efficiency rating and provides sufficient power for high-end gaming setups, though its 180mm length may impact case compatibility. cybenetics highlighted the inclusion of individually sleeved cables and a 10-year warranty, though acknowledged potential challenges with cable management.