Hardware Spec Index

Caldera PW-4900 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4900-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,810 (Power Supplies scale)
Category rank#40,049
Street price$139
Power850 W (rated)
Performance per dollar13.02
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4900 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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

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Cite this page: Hardware Spec Index, “Caldera PW-4900 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/8010039 (accessed 2026-10-22).