Hardware Spec Index

Novexa PW-3721 Pro 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW3721-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,064 (Power Supplies scale)
Category rank#38,634
Street price$49
Power650 W (rated)
Performance per dollar21.71
Released2021

Specifications

BrandNovexa
ModelNovexa PW-3721 Pro
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
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
Vantrel PW-3823 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,460$109Compare
Zephyra PW-6330 Plus 850W 80 PLUS Bronze ATX 3.1 Power Supply1,323$79Compare
Vantrel PW-4429 Edge 750W 80 PLUS Bronze ATX 3.1 Power Supply1,125$59Compare
Caldera PW-3586 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply1,363$89Compare
Zephyra PW-1128 Max 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,925$399Compare
Zephyra PW-4104 Prime 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,649$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3721 Pro 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/297758 (accessed 2026-10-21).