Hardware Spec Index

Caldera PW-5843 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW5843-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index1,407 (Power Supplies scale)
Category rank#5,439
Street price$89
Power850 W (rated)
Performance per dollar15.81
Released2022

Specifications

BrandCaldera
ModelCaldera PW-5843 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 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
Vantrel PW-7435 Core 650W 80 PLUS Gold SFX Power Supply767$39Compare
Caldera PW-7800 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,078$199Compare
Caldera PW-9821 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,647$119Compare
Novexa PW-8516 Ultra 550W 80 PLUS Gold ATX 3.0 Power Supply871$39Compare
Caldera PW-7790 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,327$69Compare
Teralux PW-1234 Pro 750W 80 PLUS Bronze ATX Power Supply1,199$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5843 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/7765890 (accessed 2026-10-24).