Hardware Spec Index

Caldera PW-4086 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW4086-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,034 (Power Supplies scale)
Category rank#16,822
Street price$49
Power550 W (rated)
Performance per dollar21.10
Released2021

Specifications

BrandCaldera
ModelCaldera PW-4086 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-8731 Edge 1000W 80 PLUS Platinum ATX Power Supply1,943$179Compare
Caldera PW-4203 Core 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,249$189Compare
Teralux PW-4616 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,155$189Compare
Novexa PW-2581 SE 550W 80 PLUS Gold SFX Power Supply764$39Compare
Teralux PW-6021 SE 550W 80 PLUS Bronze ATX Power Supply853$39Compare
Novexa PW-2143 Plus 1000W 80 PLUS Gold ATX Power Supply2,296$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4086 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/21240729 (accessed 2026-10-24).