Hardware Spec Index

Caldera PW-8443 XT 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW8443-XT · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,877 (Power Supplies scale)
Category rank#44,471
Street price$189
Power850 W (rated)
Performance per dollar9.93
Released2020

Specifications

BrandCaldera
ModelCaldera PW-8443 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
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-7684 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply1,804$149Compare
Teralux PW-9145 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,982$159Compare
Zephyra PW-5019 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,935$139Compare
Teralux PW-3457 Max 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,608$339Compare
Vantrel PW-9003 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,584$289Compare
Zephyra PW-8394 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply1,867$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8443 XT 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6097343 (accessed 2026-10-26).