Hardware Spec Index

Caldera PW-3839 Plus 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3839-PLUS · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index2,492 (Power Supplies scale)
Category rank#48,999
Street price$319
Power1200 W (rated)
Performance per dollar7.81
Released2025

Specifications

BrandCaldera
ModelCaldera PW-3839 Plus
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
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
Vantrel PW-4109 Ultra 1200W 80 PLUS Gold ATX Power Supply2,184$209Compare
Novexa PW-1209 Core 850W 80 PLUS Bronze ATX Power Supply1,329$89Compare
Caldera PW-9436 XT 1300W 80 PLUS Platinum ATX Power Supply2,582$299Compare
Vantrel PW-7800 Prime 1200W 80 PLUS Titanium ATX Power Supply2,674$339Compare
Teralux PW-7281 Plus 850W 80 PLUS Gold ATX Power Supply1,718$139Compare
Caldera PW-2821 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply1,169$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3839 Plus 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/5876205 (accessed 2026-10-22).