Hardware Spec Index

Caldera PW-4025 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4025-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,942 (Power Supplies scale)
Category rank#4,672
Street price$159
Power1000 W (rated)
Performance per dollar12.21
Released2023

Specifications

BrandCaldera
ModelCaldera PW-4025 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-3795 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,039$199Compare
Vantrel PW-4219 XT 1000W 80 PLUS Platinum ATX Power Supply1,776$149Compare
Novexa PW-8834 Prime 1200W 80 PLUS Platinum ATX Power Supply2,089$199Compare
Caldera PW-3335 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,051$189Compare
Caldera PW-1749 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,993$199Compare
Caldera PW-7501 Max 1300W 80 PLUS Gold ATX 3.1 Power Supply2,582$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4025 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/20000574 (accessed 2026-10-23).