Hardware Spec Index

Caldera PW-9078 XT 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW9078-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index765 (Power Supplies scale)
Category rank#28,530
Street price$39
Power550 W (rated)
Performance per dollar19.62
Released2023

Specifications

BrandCaldera
ModelCaldera PW-9078 XT
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-9304 Ti 650W 80 PLUS Gold ATX Power Supply1,346$79Compare
Vantrel PW-5287 XT 750W 80 PLUS Gold ATX 3.1 Power Supply1,291$79Compare
Novexa PW-6238 Edge 1000W 80 PLUS Gold ATX Power Supply1,782$159Compare
Novexa PW-5109 Pro 850W 80 PLUS Gold ATX Power Supply1,635$99Compare
Zephyra PW-6883 Core 1200W 80 PLUS Gold ATX Power Supply2,193$199Compare
Novexa PW-9903 Prime 1000W 80 PLUS Titanium ATX Power Supply2,580$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9078 XT 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/618335 (accessed 2026-10-19).