Hardware Spec Index

Caldera PW-6939 Core 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6939-CORE · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,582 (Power Supplies scale)
Category rank#20,964
Street price$89
Power850 W (rated)
Performance per dollar17.78
Released2019

Specifications

BrandCaldera
ModelCaldera PW-6939 Core
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-9168 XT 550W 80 PLUS Gold ATX Power Supply1,099$59Compare
Zephyra PW-9493 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,280$249Compare
Caldera PW-1176 XT 850W 80 PLUS Bronze ATX Power Supply1,169$69Compare
Zephyra PW-3138 Edge 650W 80 PLUS Gold ATX Power Supply1,187$69Compare
Novexa PW-9761 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,834$119Compare
Vantrel PW-2727 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply804$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6939 Core 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2746091 (accessed 2026-10-19).