Hardware Spec Index

Caldera PW-8566 XT 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW8566-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,134 (Power Supplies scale)
Category rank#37,362
Street price$59
Power850 W (rated)
Performance per dollar19.22
Released2019

Specifications

BrandCaldera
ModelCaldera PW-8566 XT
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-1046 Plus 1300W 80 PLUS Titanium ATX Power Supply2,852$319Compare
Caldera PW-7391 Max 1300W 80 PLUS Titanium ATX Power Supply2,391$219Compare
Novexa PW-8890 Max 1600W 80 PLUS Gold ATX Power Supply2,632$299Compare
Vantrel PW-1651 Prime 1600W 80 PLUS Gold ATX 3.1 Power Supply2,448$309Compare
Novexa PW-8983 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,261$199Compare
Vantrel PW-9536 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,393$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8566 XT 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6553141 (accessed 2026-10-19).