Hardware Spec Index

Zephyra PW-4733 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW4733-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index736 (Power Supplies scale)
Category rank#34,704
Street price$39
Power550 W (rated)
Performance per dollar18.87
Released2019

Specifications

BrandZephyra
ModelZephyra PW-4733 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-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-5522 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply1,766$119Compare
Novexa PW-7340 SE 1200W 80 PLUS Gold ATX 3.1 Power Supply2,323$249Compare
Zephyra PW-8923 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,547$99Compare
Zephyra PW-6709 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,633$109Compare
Zephyra PW-9567 SE 750W 80 PLUS Gold ATX Power Supply1,163$59Compare
Novexa PW-6821 Plus 650W 80 PLUS Gold ATX 3.1 Power Supply1,275$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4733 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/10072780 (accessed 2026-10-19).