Hardware Spec Index

Caldera PW-2976 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2976-XT · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index2,082 (Power Supplies scale)
Category rank#37,883
Street price$199
Power1000 W (rated)
Performance per dollar10.46
Released2024

Specifications

BrandCaldera
ModelCaldera PW-2976 XT
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% 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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-3743 Core 650W 80 PLUS Gold ATX 3.1 Power Supply1,287$69Compare
Vantrel PW-5098 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,899$149Compare
Teralux PW-3965 Pro 550W 80 PLUS Gold ATX 3.0 Power Supply1,071$59Compare
Caldera PW-7018 Core 1000W 80 PLUS Gold SFX Power Supply1,651$109Compare
Vantrel PW-1512 Ultra 850W 80 PLUS Gold SFX Power Supply1,713$149Compare
Novexa PW-2271 Max 1300W 80 PLUS Titanium ATX Power Supply2,828$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2976 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/81315964 (accessed 2026-10-26).