Hardware Spec Index

Caldera PW-4566 Ultra 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4566-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,130 (Power Supplies scale)
Category rank#27,864
Street price$209
Power1000 W (rated)
Performance per dollar10.19
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4566 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-6378 Prime 1300W 80 PLUS Titanium ATX Power Supply2,690$339Compare
Novexa PW-1292 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply1,005$49Compare
Teralux PW-8854 Edge 1300W 80 PLUS Gold ATX 3.1 Power Supply2,510$259Compare
Zephyra PW-1466 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply2,175$199Compare
Teralux PW-3988 Prime 1300W 80 PLUS Titanium ATX Power Supply2,430$239Compare
Novexa PW-8389 XT 650W 80 PLUS Bronze ATX Power Supply916$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4566 Ultra 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3307964 (accessed 2026-10-24).