Hardware Spec Index

Caldera PW-4341 Ultra 850W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW4341-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,320 (Power Supplies scale)
Category rank#40,992
Street price$89
Power850 W (rated)
Performance per dollar14.83
Released2019

Specifications

BrandCaldera
ModelCaldera PW-4341 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityNon-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

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Cite this page: Hardware Spec Index, “Caldera PW-4341 Ultra 850W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/31313113 (accessed 2026-10-23).