Hardware Spec Index

Zephyra PW-9659 Plus 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW9659-PLUS · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index937 (Power Supplies scale)
Category rank#41,808
Street price$39
Power550 W (rated)
Performance per dollar24.03
Released2023

Specifications

BrandZephyra
ModelZephyra PW-9659 Plus
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully 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
Teralux PW-3081 Core 650W 80 PLUS Bronze ATX 3.1 Power Supply1,172$59Compare
Zephyra PW-5727 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply1,112$59Compare
Caldera PW-5173 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply925$49Compare
Zephyra PW-3280 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,233$279Compare
Zephyra PW-2757 Pro 1600W 80 PLUS Titanium ATX Power Supply2,899$329Compare
Zephyra PW-7499 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,670$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9659 Plus 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/17537349 (accessed 2026-10-19).