Hardware Spec Index

Novexa PW-9973 Max 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Novexa · SKU PW9973-MAX · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index849 (Power Supplies scale)
Category rank#8,595
Street price$39
Power650 W (rated)
Performance per dollar21.77
Released2021

Specifications

BrandNovexa
ModelNovexa PW-9973 Max
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularitySemi-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
Zephyra PW-5711 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply2,425$299Compare
Caldera PW-8539 Ti 550W 80 PLUS Bronze SFX Power Supply854$39Compare
Caldera PW-2844 XT 850W 80 PLUS Gold SFX Power Supply1,768$139Compare
Caldera PW-3258 Prime 1300W 80 PLUS Platinum ATX Power Supply2,646$259Compare
Zephyra PW-2905 Core 750W 80 PLUS Bronze ATX 3.0 Power Supply1,263$79Compare
Vantrel PW-9470 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,768$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9973 Max 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/92717915 (accessed 2026-10-25).