Hardware Spec Index

Caldera PW-2345 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW2345-PLUS · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index861 (Power Supplies scale)
Category rank#14,241
Street price$49
Power550 W (rated)
Performance per dollar17.57
Released2022

Specifications

BrandCaldera
ModelCaldera PW-2345 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan140 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-9901 Max 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,813$299Compare
Vantrel PW-5259 Ti 1300W 80 PLUS Titanium ATX Power Supply2,980$359Compare
Vantrel PW-7124 Ti 550W 80 PLUS Bronze ATX Power Supply1,044$49Compare
Zephyra PW-3447 SE 550W 80 PLUS Bronze ATX Power Supply891$39Compare
Vantrel PW-7387 Ti 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,808$359Compare
Teralux PW-7519 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,601$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2345 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/50831655 (accessed 2026-10-20).