Hardware Spec Index

Caldera PW-1073 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1073-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,543 (Power Supplies scale)
Category rank#30,972
Street price$99
Power850 W (rated)
Performance per dollar15.59
Released2023

Specifications

BrandCaldera
ModelCaldera PW-1073 Ultra
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan120 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-9705 Pro 550W 80 PLUS Bronze ATX Power Supply789$39Compare
Zephyra PW-8505 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply2,424$299Compare
Vantrel PW-7346 SE 1200W 80 PLUS Gold ATX 3.0 Power Supply2,164$239Compare
Teralux PW-2821 Ti 550W 80 PLUS Bronze SFX Power Supply992$49Compare
Zephyra PW-7139 Ti 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,278$219Compare
Novexa PW-5887 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply2,147$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1073 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/76971258 (accessed 2026-10-25).