Hardware Spec Index

Caldera PW-3947 Prime 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3947-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index2,185 (Power Supplies scale)
Category rank#19,250
Street price$209
Power1000 W (rated)
Performance per dollar10.45
Released2019

Specifications

BrandCaldera
ModelCaldera PW-3947 Prime
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
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-7792 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply1,023$49Compare
Caldera PW-2237 Core 850W 80 PLUS Bronze SFX Power Supply1,260$69Compare
Vantrel PW-8213 Ultra 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,798$349Compare
Teralux PW-1844 Prime 1000W 80 PLUS Gold ATX Power Supply1,957$179Compare
Teralux PW-8596 Core 750W 80 PLUS Gold ATX Power Supply1,408$79Compare
Caldera PW-2129 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply761$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3947 Prime 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6163722 (accessed 2026-10-23).