Hardware Spec Index

Caldera PW-4000 XT 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4000-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,148 (Power Supplies scale)
Category rank#38,412
Street price$199
Power1000 W (rated)
Performance per dollar10.79
Released2021

Specifications

BrandCaldera
ModelCaldera PW-4000 XT
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-8741 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,453$99Compare
Teralux PW-2223 Ti 550W 80 PLUS Gold SFX Power Supply807$39Compare
Novexa PW-8439 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,889$169Compare
Novexa PW-1147 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply1,118$69Compare
Teralux PW-5321 Max 850W 80 PLUS Platinum ATX 3.1 Power Supply1,862$139Compare
Novexa PW-3214 Max 850W 80 PLUS Gold SFX Power Supply1,356$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4000 XT 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/17567292 (accessed 2026-10-19).