Hardware Spec Index

Caldera PW-4052 XT 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4052-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index1,397 (Power Supplies scale)
Category rank#25,779
Street price$89
Power850 W (rated)
Performance per dollar15.70
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4052 XT
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-5760 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply868$39Compare
Vantrel PW-2098 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,733$139Compare
Novexa PW-1349 Max 850W 80 PLUS Platinum ATX Power Supply1,956$149Compare
Zephyra PW-7641 Plus 1200W 80 PLUS Gold ATX 3.1 Power Supply2,236$199Compare
Teralux PW-4561 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,307$89Compare
Novexa PW-4329 Edge 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,879$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4052 XT 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/4211367 (accessed 2026-10-24).