Hardware Spec Index

Caldera PW-3905 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3905-PLUS · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,653 (Power Supplies scale)
Category rank#9,923
Street price$329
Power1200 W (rated)
Performance per dollar8.06
Released2023

Specifications

BrandCaldera
ModelCaldera PW-3905 Plus
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-2747 Pro 650W 80 PLUS Bronze ATX Power Supply828$39Compare
Novexa PW-6138 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,954$149Compare
Teralux PW-4735 XT 750W 80 PLUS Gold ATX 3.0 Power Supply1,236$69Compare
Zephyra PW-6339 Core 1000W 80 PLUS Gold ATX 3.0 Power Supply1,770$139Compare
Vantrel PW-9468 Pro 1300W 80 PLUS Titanium ATX Power Supply2,980$399Compare
Novexa PW-6181 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,680$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3905 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/52591557 (accessed 2026-10-19).