Hardware Spec Index

Caldera PW-5831 Plus 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW5831-PLUS · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,031 (Power Supplies scale)
Category rank#47,512
Street price$49
Power550 W (rated)
Performance per dollar21.04
Released2022

Specifications

BrandCaldera
ModelCaldera PW-5831 Plus
Rated output550 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-pin1×
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
Zephyra PW-2121 Core 850W 80 PLUS Platinum ATX Power Supply1,961$179Compare
Vantrel PW-5871 Core 650W 80 PLUS Bronze ATX Power Supply1,317$89Compare
Caldera PW-9799 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply2,142$209Compare
Novexa PW-3540 Ultra 850W 80 PLUS Gold SFX Power Supply1,548$89Compare
Caldera PW-5227 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,620$119Compare
Zephyra PW-6695 Ti 1300W 80 PLUS Gold ATX 3.1 Power Supply2,537$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5831 Plus 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/15519279 (accessed 2026-10-20).