Hardware Spec Index

Caldera PW-4086 Ultra 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW4086-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index904 (Power Supplies scale)
Category rank#10,365
Street price$49
Power550 W (rated)
Performance per dollar18.45
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4086 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully 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
Zephyra PW-5558 Core 1000W 80 PLUS Gold ATX 3.0 Power Supply2,056$159Compare
Teralux PW-5249 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,547$89Compare
Zephyra PW-3851 Core 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,538$339Compare
Caldera PW-7194 Prime 1300W 80 PLUS Titanium ATX Power Supply2,794$399Compare
Caldera PW-1971 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply717$39Compare
Caldera PW-9276 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply1,070$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4086 Ultra 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/11638569 (accessed 2026-10-19).