Hardware Spec Index

Caldera PW-8554 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8554-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,561 (Power Supplies scale)
Category rank#44,570
Street price$119
Power850 W (rated)
Performance per dollar13.12
Released2024

Specifications

BrandCaldera
ModelCaldera PW-8554 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Teralux PW-8985 XT 1000W 80 PLUS Gold ATX Power Supply1,916$169Compare
Vantrel PW-8964 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,494$269Compare
Teralux PW-8896 Ultra 850W 80 PLUS Gold ATX Power Supply1,665$119Compare
Teralux PW-7161 Core 550W 80 PLUS Gold ATX Power Supply856$39Compare
Novexa PW-6891 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply1,108$59Compare
Zephyra PW-7335 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,045$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8554 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/8099412 (accessed 2026-10-21).