Hardware Spec Index

Caldera PW-9278 Max 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW9278-MAX · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,703 (Power Supplies scale)
Category rank#18,910
Street price$129
Power850 W (rated)
Performance per dollar13.20
Released2025

Specifications

BrandCaldera
ModelCaldera PW-9278 Max
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
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-7755 XT 550W 80 PLUS Bronze ATX Power Supply805$39Compare
Novexa PW-6425 Core 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,591$329Compare
Novexa PW-7447 Max 750W 80 PLUS Gold ATX Power Supply1,538$89Compare
Vantrel PW-9824 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,774$289Compare
Vantrel PW-4353 Prime 1200W 80 PLUS Titanium ATX Power Supply2,453$309Compare
Teralux PW-8817 XT 650W 80 PLUS Bronze ATX Power Supply1,341$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9278 Max 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/359556 (accessed 2026-10-19).