Hardware Spec Index

Caldera PW-4220 Plus 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4220-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,797 (Power Supplies scale)
Category rank#33,655
Street price$149
Power850 W (rated)
Performance per dollar12.06
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4220 Plus
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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4518 Prime 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,667$299Compare
Vantrel PW-6347 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,190$209Compare
Novexa PW-9497 Plus 750W 80 PLUS Bronze SFX Power Supply1,007$49Compare
Novexa PW-8132 Prime 650W 80 PLUS Gold ATX Power Supply1,192$59Compare
Zephyra PW-8718 SE 550W 80 PLUS Gold ATX Power Supply715$39Compare
Caldera PW-5888 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply915$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4220 Plus 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7074906 (accessed 2026-10-19).