Hardware Spec Index

Caldera PW-2946 SE 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW2946-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,953 (Power Supplies scale)
Category rank#16,700
Street price$169
Power1000 W (rated)
Performance per dollar11.56
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2946 SE
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
Fan135 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
Zephyra PW-3615 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,336$89Compare
Caldera PW-4013 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply1,333$79Compare
Zephyra PW-2678 Plus 650W 80 PLUS Bronze ATX 3.0 Power Supply947$39Compare
Novexa PW-5289 Ti 850W 80 PLUS Gold ATX Power Supply1,781$129Compare
Caldera PW-3575 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,071$179Compare
Teralux PW-8146 Plus 750W 80 PLUS Gold ATX Power Supply1,439$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2946 SE 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/95363 (accessed 2026-10-19).