Hardware Spec Index

Novexa PW-8685 Pro 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW8685-PRO · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,219 (Power Supplies scale)
Category rank#25,449
Street price$69
Power550 W (rated)
Performance per dollar17.67
Released2023

Specifications

BrandNovexa
ModelNovexa PW-8685 Pro
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
Zephyra PW-7224 Pro 850W 80 PLUS Gold SFX Power Supply1,681$119Compare
Teralux PW-4858 Core 550W 80 PLUS Gold ATX Power Supply905$39Compare
Novexa PW-2260 Max 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,350$279Compare
Zephyra PW-1985 Edge 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,941$149Compare
Novexa PW-4408 Ti 550W 80 PLUS Bronze ATX 3.1 Power Supply929$49Compare
Caldera PW-2670 XT 650W 80 PLUS Gold ATX 3.0 Power Supply1,164$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8685 Pro 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/53472681 (accessed 2026-10-22).