be quiet! Straight Power 12 850W (2023)

Brand
be quiet!
Model
Straight Power 12 850W
$427–$471estimated range · from catalog price Nov 4, 2026

Be quiet! Straight Power 12 850W: Platinum, ATX 3.0, modular PSU with native 12VHPWR—launched June 2023 for quiet, efficient high-end GPU builds.

TierEnthusiast?GixCore tierWhat a part was built to do — not what it costs.EntryBudgetMainstreamHigh endEnthusiastFlagship A part can be cheap because it is an ageing flagship, or because it is a current entry-level model. The tier tells you which.
Released2023
As an Amazon Associate, GixCore earns from qualifying purchases.Pricing note?This range is based on our last recorded catalog price and is not a quote. Check Amazon for the current price.
Wattage850 W
Efficiency80+ Platinum
Form factorATX
ModularYes
GixCore Editorial

Product overview

Released in June 2023, the Straight Power 12 850W is part of be quiet!’s Straight Power 12 family built to the ATX 3.0 spec. It targets the enthusiast tier with 80+ Platinum efficiency and modular cabling—meant for builders who want quiet, efficient power for high-end GPUs without moving to 1000W+ units.

With 850W on a single 12V rail, ATX 3.0 transient handling, and modular cables, it’s a strong fit for high-end GPU builds, ATX 3.0 GPUs, and headroom/overclocking in standard ATX cases. The 850W model provides one native 600W 12VHPWR plus four 6+2‑pin PCIe connectors and carries a 10‑year warranty. Not discontinued. Unique: ATX 3.0 design with native 12VHPWR support.

Best for
  • high-end GPU builds
  • ATX 3.0 GPUs
  • headroom/overclocking
Pairing fit

Compatible Motherboards

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible Cases

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options

Specifications

At a glance iDots are a representative catalog sample. Farther right means a higher measured value, not necessarily a better fit.Measured against the power supplies catalog
Current modelCatalog sample
Wattage850 W
Higher than 73% of power supplies
Wattage
850 W
Efficiency
80+ Platinum
Modular
Yes
Eco Mode
No
Form factor
ATX