Hardware Spec Index

Novexa PW-6661 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW6661-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index910 (Power Supplies scale)
Category rank#35,830
Street price$49
Power650 W (rated)
Performance per dollar18.57
Released2022

Specifications

BrandNovexa
ModelNovexa PW-6661 Ultra
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-7923 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,902$399Compare
Vantrel PW-4016 Core 650W 80 PLUS Gold ATX Power Supply987$49Compare
Teralux PW-8305 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,607$319Compare
Caldera PW-6424 Edge 1300W 80 PLUS Gold ATX Power Supply2,434$249Compare
Zephyra PW-5642 SE 850W 80 PLUS Gold SFX Power Supply1,691$129Compare
Caldera PW-8672 SE 1200W 80 PLUS Titanium ATX Power Supply2,397$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-6661 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/10059705 (accessed 2026-10-23).