Hardware Spec Index

Caldera PW-6309 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6309-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,636 (Power Supplies scale)
Category rank#49,885
Street price$119
Power850 W (rated)
Performance per dollar13.75
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6309 Pro
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
Fan120 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
Zephyra PW-2046 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,284$239Compare
Novexa PW-7625 Pro 850W 80 PLUS Bronze ATX 3.1 Power Supply1,342$79Compare
Novexa PW-2209 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply1,068$49Compare
Zephyra PW-2106 Edge 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,486$309Compare
Novexa PW-1009 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,032$49Compare
Zephyra PW-9155 Core 650W 80 PLUS Bronze ATX 3.1 Power Supply835$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6309 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/815654 (accessed 2026-10-20).