Hardware Spec Index

Zephyra PW-3764 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3764-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index751 (Power Supplies scale)
Category rank#34,213
Street price$39
Power550 W (rated)
Performance per dollar19.26
Released2025

Specifications

BrandZephyra
ModelZephyra PW-3764 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan120 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
Caldera PW-3173 Pro 550W 80 PLUS Bronze ATX Power Supply1,134$49Compare
Caldera PW-4312 Edge 850W 80 PLUS Platinum ATX 3.1 Power Supply2,080$179Compare
Novexa PW-2737 Ti 1300W 80 PLUS Gold ATX 3.1 Power Supply2,616$339Compare
Teralux PW-5755 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,190$59Compare
Novexa PW-2683 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,749$139Compare
Caldera PW-6242 XT 850W 80 PLUS Gold ATX Power Supply1,582$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3764 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/5320167 (accessed 2026-10-23).