Hardware Spec Index

Caldera PW-8911 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW8911-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,816 (Power Supplies scale)
Category rank#5,177
Street price$139
Power850 W (rated)
Performance per dollar13.06
Released2022

Specifications

BrandCaldera
ModelCaldera PW-8911 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-8951 SE 1300W 80 PLUS Gold ATX Power Supply2,626$319Compare
Zephyra PW-4207 Ultra 1600W 80 PLUS Platinum ATX Power Supply2,685$379Compare
Novexa PW-7577 XT 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,764$319Compare
Novexa PW-4542 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,289$69Compare
Teralux PW-3171 Ultra 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,726$359Compare
Vantrel PW-1349 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,829$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8911 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/54370353 (accessed 2026-10-20).