Hardware Spec Index

Caldera PW-3309 Pro 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3309-PRO · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,566 (Power Supplies scale)
Category rank#18,962
Street price$349
Power1200 W (rated)
Performance per dollar7.35
Released2025

Specifications

BrandCaldera
ModelCaldera PW-3309 Pro
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 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
Novexa PW-9060 Core 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,794$369Compare
Zephyra PW-5994 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply1,583$109Compare
Novexa PW-5313 Ti 550W 80 PLUS Bronze ATX Power Supply1,080$59Compare
Teralux PW-3578 Pro 1000W 80 PLUS Titanium ATX Power Supply2,374$299Compare
Novexa PW-3632 Ti 850W 80 PLUS Gold ATX Power Supply1,553$119Compare
Novexa PW-3961 Core 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,980$389Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3309 Pro 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/24521723 (accessed 2026-10-24).