This article covers 850W SuperNOVA P2 PSU.

Overview

The EVGA SuperNOVA 850 P2 is a fully modular ATX power supply with 850W of rated output and an 80 PLUS Platinum certification. It uses a single +12V rail design for stable delivery, which makes it a natural fit for high-end gaming rigs and content creation workstations. I have always valued efficiency ratings and warranty length over raw brand appeal, and this unit checks both without feeling overpriced for what it offers. In day-to-day use, the fully modular cabling keeps the interior neat, and the 135mm fan is paired with an ECO mode that stops the fan at low loads. A 10-year warranty adds long-term peace of mind, which matters if you plan to keep one PSU across multiple system rebuilds. This remains a solid "one and done" choice for builders who want reliable power without chasing the newest connector standard today.

Compatibility Guide

The SuperNOVA 850 P2 follows the standard ATX form factor, so it fits most conventional PC cases. The unit depth is around 165mm, meaning compact cases with tight drive cages or shallow cable compartments could make installation tougher. It includes a 24-pin ATX cable, two EPS 8-pin (4+4) cables, and several PCIe 6+2-pin connectors, which works with mainstream AMD AM5 and Intel LGA1700 motherboards. One caveat: there is no native 12VHPWR connector, so current-generation graphics cards will need the included adapter or an aftermarket conversion cable.

Product Info

Although this model has been on the market for years, it remains widely available through retail channels such as . The core specs are 850W rating, 80 PLUS Platinum efficiency, and a fully modular design, which still places it in the mid-high range of today's PSU market. EVGA backs it with a 10-year warranty, a sign of the engineering confidence behind this platform. In short, it started life as a flagship unit and has settled into a still-competitive mid-high role now, delivering solid efficiency on the single 12V rail design.

Best Use Cases

One ideal user is a gamer building around a current-generation high-end GPU and a power-hungry processor. 850W provides comfortable headroom, letting you ignore transient power spikes and keep the system stable under sustained gaming loads. A second fit is a creative professional running long video renders or 3D simulation tasks. High efficiency and the 135mm cooling solution keep heat and noise under control even when the machine pushes hard for hours. A third group is anyone planning to gradually upgrade their PC over the next several years. The 10-year warranty makes it smart to keep this PSU as a constant while swapping out motherboards, CPUs, and GPUs. On the other hand, a budget office build or a secondary PC using a low-power APU does not need 850W. Buying this unit for such a system is overkill, and you would be paying for capacity you never use.

Things to Consider

The biggest limitation is the lack of native ATX 3.x and 12VHPWR support. New GPUs often ship with adapters, but the added cables can complicate internal routing. Also, some listings are parallel imports or old stock, and the price may exceed the domestic-market reference in some cases, so double-check the seller and warranty paperwork. For a brand-new build, a modern ATX 3.x certified unit could be the better pick because it removes adapter dependency. The SuperNOVA 850 P2 remains a capable, long-warranty choice, but only if you go in aware of its connector situation. ## FAQ
Q: Can I use this PSU with the newest graphics cards? A: Yes, via an included adapter or a PCIe 6+2-pin to 12VHPWR conversion cable. The PSU does not have a native 12VHPWR connector. Q: Does it support dual-CPU boards? A: It has two EPS 8-pin (4+4) cables, which covers standard ATX boards. Server boards with extra EPS connectors may require additional adapters. Q: Is it quiet enough for daily use? A: The 135mm fan and ECO mode make it nearly silent at idle. Under heavy load, the high efficiency helps keep fan noise reasonable.

Product Disclosure (Amazon)

  • Manufacturer: EVGA
  • Seller: New Oriental Technology
  • Fulfilled by: New Oriental Technology
  • ASIN: B010HWDOH6
  • Note: This article covers a manufacturer-made product based on Amazon listing details.