Hardware Spec Index

Caldera PW-3974 Core 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW3974-CORE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,367 (Power Supplies scale)
Category rank#33,906
Street price$69
Power650 W (rated)
Performance per dollar19.81
Released2020

Specifications

BrandCaldera
ModelCaldera PW-3974 Core
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-6713 Ti 1300W 80 PLUS Platinum ATX Power Supply2,618$269Compare
Novexa PW-8591 Max 1600W 80 PLUS Titanium ATX Power Supply2,779$319Compare
Zephyra PW-7106 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,637$129Compare
Teralux PW-6965 Edge 1000W 80 PLUS Gold ATX Power Supply2,124$189Compare
Teralux PW-1273 Edge 1000W 80 PLUS Platinum SFX Power Supply2,261$239Compare
Teralux PW-1679 XT 1200W 80 PLUS Platinum ATX Power Supply2,434$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3974 Core 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/21917268 (accessed 2026-10-25).