Hardware Spec Index

Caldera PW-7671 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW7671-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,599 (Power Supplies scale)
Category rank#6,128
Street price$129
Power850 W (rated)
Performance per dollar12.40
Released2020

Specifications

BrandCaldera
ModelCaldera PW-7671 Ultra
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-3752 Pro 650W 80 PLUS Bronze ATX Power Supply1,003$49Compare
Caldera PW-9645 Prime 1000W 80 PLUS Gold ATX Power Supply1,753$139Compare
Vantrel PW-8520 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply893$39Compare
Teralux PW-6719 Max 1000W 80 PLUS Gold SFX Power Supply2,079$199Compare
Zephyra PW-3551 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,800$129Compare
Caldera PW-3400 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,073$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7671 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/93662285 (accessed 2026-10-20).