Hardware Spec Index

Zephyra PW-3403 Prime 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW3403-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index986 (Power Supplies scale)
Category rank#18,787
Street price$59
Power650 W (rated)
Performance per dollar16.71
Released2022

Specifications

BrandZephyra
ModelZephyra PW-3403 Prime
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 factorSFX-L
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-6695 XT 1000W 80 PLUS Gold ATX Power Supply2,157$179Compare
Teralux PW-1397 Plus 850W 80 PLUS Gold ATX Power Supply1,296$79Compare
Zephyra PW-4125 Plus 550W 80 PLUS Gold ATX Power Supply1,034$49Compare
Teralux PW-8866 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,683$339Compare
Zephyra PW-4460 Max 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,890$359Compare
Caldera PW-5424 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,591$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3403 Prime 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/817474 (accessed 2026-10-21).