Hardware Spec Index

Caldera PW-8476 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW8476-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,460 (Power Supplies scale)
Category rank#30,243
Street price$99
Power850 W (rated)
Performance per dollar14.75
Released2021

Specifications

BrandCaldera
ModelCaldera PW-8476 Prime
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-8191 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,521$109Compare
Zephyra PW-9189 Core 650W 80 PLUS Bronze ATX Power Supply1,081$59Compare
Novexa PW-8254 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,598$109Compare
Novexa PW-8781 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,582$99Compare
Zephyra PW-1993 Plus 1000W 80 PLUS Platinum ATX Power Supply2,427$269Compare
Vantrel PW-4024 Prime 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,316$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8476 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/89931500 (accessed 2026-10-25).