Hardware Spec Index

Caldera PW-5309 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5309-PLUS · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,508 (Power Supplies scale)
Category rank#43,997
Street price$99
Power850 W (rated)
Performance per dollar15.23
Released2025

Specifications

BrandCaldera
ModelCaldera PW-5309 Plus
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
Caldera PW-2509 XT 1200W 80 PLUS Gold ATX Power Supply2,313$249Compare
Zephyra PW-1878 Edge 850W 80 PLUS Gold ATX Power Supply1,869$159Compare
Teralux PW-2458 Prime 750W 80 PLUS Gold ATX 3.1 Power Supply1,561$119Compare
Vantrel PW-5658 Pro 850W 80 PLUS Gold ATX Power Supply1,559$99Compare
Caldera PW-5070 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,769$119Compare
Vantrel PW-5039 XT 1000W 80 PLUS Gold ATX Power Supply2,086$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5309 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/33035847 (accessed 2026-10-24).