Hardware Spec Index

Caldera PW-4422 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4422-PRIME · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,202 (Power Supplies scale)
Category rank#49,820
Street price$69
Power850 W (rated)
Performance per dollar17.42
Released2024

Specifications

BrandCaldera
ModelCaldera PW-4422 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-7565 Plus 1000W 80 PLUS Titanium ATX Power Supply2,421$269Compare
Vantrel PW-9401 Plus 1000W 80 PLUS Gold ATX Power Supply2,340$289Compare
Caldera PW-1303 Pro 1200W 80 PLUS Titanium ATX Power Supply2,508$259Compare
Caldera PW-3567 XT 750W 80 PLUS Gold ATX Power Supply1,227$59Compare
Caldera PW-8834 Plus 850W 80 PLUS Gold ATX Power Supply1,662$119Compare
Novexa PW-2901 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,248$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4422 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/91310716 (accessed 2026-10-22).