Hardware Spec Index

Zephyra PW-9663 Plus 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW9663-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index801 (Power Supplies scale)
Category rank#25,971
Street price$39
Power550 W (rated)
Performance per dollar20.54
Released2022

Specifications

BrandZephyra
ModelZephyra PW-9663 Plus
Rated output550 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
ModularityNon-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
Teralux PW-6194 Ti 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,950$169Compare
Caldera PW-6209 XT 850W 80 PLUS Gold SFX Power Supply1,461$89Compare
Zephyra PW-3810 Plus 650W 80 PLUS Gold ATX 3.1 Power Supply1,111$59Compare
Vantrel PW-2035 XT 1000W 80 PLUS Platinum ATX Power Supply2,035$209Compare
Vantrel PW-4859 Pro 750W 80 PLUS Gold ATX Power Supply1,458$99Compare
Teralux PW-3995 SE 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,508$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9663 Plus 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/9750583 (accessed 2026-10-19).