Hardware Spec Index

Caldera PW-3494 Ultra 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3494-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index817 (Power Supplies scale)
Category rank#39,826
Street price$39
Power550 W (rated)
Performance per dollar20.95
Released2020

Specifications

BrandCaldera
ModelCaldera PW-3494 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
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
Teralux PW-2255 Plus 850W 80 PLUS Bronze ATX 3.1 Power Supply1,283$79Compare
Teralux PW-2807 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,894$349Compare
Teralux PW-5402 Edge 550W 80 PLUS Gold ATX Power Supply1,092$59Compare
Teralux PW-1937 Ultra 850W 80 PLUS Gold ATX Power Supply1,706$129Compare
Vantrel PW-8958 Ultra 850W 80 PLUS Gold ATX Power Supply2,015$179Compare
Teralux PW-9293 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,494$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3494 Ultra 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/5977308 (accessed 2026-10-26).