Hardware Spec Index

Zephyra PW-4286 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4286-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,335 (Power Supplies scale)
Category rank#3,536
Street price$79
Power650 W (rated)
Performance per dollar16.90
Released2022

Specifications

BrandZephyra
ModelZephyra PW-4286 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
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-5638 Core 1000W 80 PLUS Gold ATX Power Supply1,983$149Compare
Vantrel PW-8499 SE 650W 80 PLUS Bronze ATX Power Supply734$39Compare
Vantrel PW-7554 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,487$89Compare
Novexa PW-1677 Max 1200W 80 PLUS Gold ATX Power Supply2,184$189Compare
Novexa PW-6636 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply811$39Compare
Zephyra PW-8449 Max 1200W 80 PLUS Gold ATX 3.1 Power Supply2,398$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4286 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/2036751 (accessed 2026-10-21).