Hardware Spec Index

Caldera PW-4020 Pro 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4020-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,225 (Power Supplies scale)
Category rank#16,030
Street price$259
Power1000 W (rated)
Performance per dollar8.59
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4020 Pro
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-1711 Plus 750W 80 PLUS Bronze ATX 3.0 Power Supply1,043$49Compare
Zephyra PW-3062 Core 1200W 80 PLUS Gold ATX Power Supply2,412$249Compare
Novexa PW-1049 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply2,120$169Compare
Teralux PW-6017 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,984$169Compare
Teralux PW-9016 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,211$59Compare
Zephyra PW-2435 SE 1000W 80 PLUS Gold SFX Power Supply2,174$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4020 Pro 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/4665083 (accessed 2026-10-19).