Hardware Spec Index

Caldera PW-7402 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW7402-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index786 (Power Supplies scale)
Category rank#87
Street price$39
Power550 W (rated)
Performance per dollar20.15
Released2026

Specifications

BrandCaldera
ModelCaldera PW-7402 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 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-8676 Prime 850W 80 PLUS Gold ATX Power Supply2,062$179Compare
Teralux PW-1875 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,928$169Compare
Novexa PW-4258 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,822$139Compare
Vantrel PW-3840 Pro 750W 80 PLUS Gold SFX Power Supply1,328$69Compare
Vantrel PW-6406 Ultra 1000W 80 PLUS Gold ATX Power Supply1,997$159Compare
Vantrel PW-2900 SE 750W 80 PLUS Gold ATX 3.0 Power Supply1,084$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7402 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/30034016 (accessed 2026-10-19).