Hardware Spec Index

Caldera PW-4466 XT 850W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4466-XT · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,318 (Power Supplies scale)
Category rank#29,431
Street price$79
Power850 W (rated)
Performance per dollar16.68
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4466 XT
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 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-4002 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,165$199Compare
Teralux PW-6540 Pro 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,710$329Compare
Novexa PW-6274 Ti 1000W 80 PLUS Gold SFX Power Supply2,115$189Compare
Vantrel PW-5454 Prime 850W 80 PLUS Gold SFX Power Supply1,916$199Compare
Vantrel PW-3171 Edge 850W 80 PLUS Gold SFX Power Supply1,623$119Compare
Vantrel PW-9459 Pro 1200W 80 PLUS Titanium ATX Power Supply2,747$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4466 XT 850W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/8089109 (accessed 2026-10-23).