Hardware Spec Index

Caldera PW-4441 Plus 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4441-PLUS · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,813 (Power Supplies scale)
Category rank#38,871
Street price$129
Power850 W (rated)
Performance per dollar14.05
Released2019

Specifications

BrandCaldera
ModelCaldera PW-4441 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
Fan140 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
Teralux PW-3649 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,917$139Compare
Caldera PW-8633 Core 650W 80 PLUS Bronze ATX 3.1 Power Supply803$39Compare
Novexa PW-3988 Prime 750W 80 PLUS Bronze SFX Power Supply1,276$69Compare
Teralux PW-2948 Plus 850W 80 PLUS Bronze ATX 3.0 Power Supply1,254$79Compare
Caldera PW-3139 Plus 650W 80 PLUS Bronze ATX Power Supply1,073$49Compare
Caldera PW-4945 SE 650W 80 PLUS Gold ATX Power Supply879$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4441 Plus 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/17517026 (accessed 2026-10-19).