Hardware Spec Index

Caldera PW-8203 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8203-PRO · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index815 (Power Supplies scale)
Category rank#41,477
Street price$39
Power550 W (rated)
Performance per dollar20.90
Released2025

Specifications

BrandCaldera
ModelCaldera PW-8203 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan135 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
Teralux PW-4000 Plus 750W 80 PLUS Gold ATX Power Supply1,149$69Compare
Zephyra PW-7514 Core 1200W 80 PLUS Platinum ATX Power Supply2,544$259Compare
Novexa PW-9060 Ti 850W 80 PLUS Gold SFX Power Supply1,431$89Compare
Teralux PW-5043 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,311$239Compare
Teralux PW-9143 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,819$139Compare
Caldera PW-4393 Plus 1200W 80 PLUS Platinum ATX Power Supply2,615$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8203 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/4042389 (accessed 2026-10-22).