Hardware Spec Index

Caldera PW-4366 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4366-PRIME · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,535 (Power Supplies scale)
Category rank#39,351
Street price$109
Power850 W (rated)
Performance per dollar14.08
Released2021

Specifications

BrandCaldera
ModelCaldera PW-4366 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-5805 Max 1000W 80 PLUS Titanium ATX Power Supply2,173$239Compare
Caldera PW-1648 Plus 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,319$259Compare
Vantrel PW-4038 Ti 1300W 80 PLUS Gold ATX Power Supply2,296$259Compare
Caldera PW-8419 Pro 650W 80 PLUS Bronze SFX Power Supply1,061$49Compare
Caldera PW-6377 Pro 1200W 80 PLUS Gold ATX 3.0 Power Supply2,049$199Compare
Teralux PW-4180 SE 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,899$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4366 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7073547 (accessed 2026-10-18).