Hardware Spec Index

Caldera PW-4081 Pro 1000W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4081-PRO · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,332 (Power Supplies scale)
Category rank#6,263
Street price$289
Power1000 W (rated)
Performance per dollar8.07
Released2025

Specifications

BrandCaldera
ModelCaldera PW-4081 Pro
Rated output1,000 W continuous
Efficiency80 PLUS Titanium (94% 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
Fan140 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
Zephyra PW-1516 Prime 1000W 80 PLUS Gold ATX Power Supply2,092$199Compare
Novexa PW-6715 Prime 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,325$259Compare
Vantrel PW-7954 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply767$39Compare
Zephyra PW-5146 Ti 1200W 80 PLUS Platinum ATX Power Supply2,708$319Compare
Zephyra PW-5539 XT 1300W 80 PLUS Platinum ATX Power Supply2,600$349Compare
Vantrel PW-1140 Plus 850W 80 PLUS Platinum ATX Power Supply2,050$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4081 Pro 1000W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/46069468 (accessed 2026-10-25).