Hardware Spec Index

Zephyra PW-9933 SE 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW9933-SE · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index724 (Power Supplies scale)
Category rank#45,990
Street price$39
Power550 W (rated)
Performance per dollar18.56
Released2025

Specifications

BrandZephyra
ModelZephyra PW-9933 SE
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 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
Teralux PW-5500 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply2,187$179Compare
Vantrel PW-3830 Pro 750W 80 PLUS Bronze ATX Power Supply1,112$59Compare
Caldera PW-7629 Max 1000W 80 PLUS Gold ATX Power Supply1,859$159Compare
Zephyra PW-2316 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,784$149Compare
Caldera PW-3209 Core 1600W 80 PLUS Platinum ATX Power Supply2,753$349Compare
Caldera PW-2287 Ultra 1200W 80 PLUS Gold ATX Power Supply2,167$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9933 SE 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/7699805 (accessed 2026-10-25).