Hardware Spec Index

Caldera PW-2978 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2978-EDGE · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index2,542 (Power Supplies scale)
Category rank#8,202
Street price$309
Power1000 W (rated)
Performance per dollar8.23
Released2026

Specifications

BrandCaldera
ModelCaldera PW-2978 Edge
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
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
Teralux PW-6039 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,692$129Compare
Vantrel PW-9469 Ti 1000W 80 PLUS Gold SFX Power Supply2,181$169Compare
Caldera PW-9166 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply776$39Compare
Zephyra PW-3417 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,456$109Compare
Novexa PW-7805 Prime 850W 80 PLUS Gold SFX Power Supply1,228$69Compare
Caldera PW-4571 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply935$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2978 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/31928137 (accessed 2026-10-24).