Hardware Spec Index

Zephyra PW-8684 Core 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW8684-CORE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index915 (Power Supplies scale)
Category rank#31,556
Street price$39
Power550 W (rated)
Performance per dollar23.46
Released2019

Specifications

BrandZephyra
ModelZephyra PW-8684 Core
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-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
Teralux PW-5692 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply793$39Compare
Vantrel PW-9546 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,765$119Compare
Teralux PW-7730 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply1,850$129Compare
Zephyra PW-9971 Core 850W 80 PLUS Gold SFX Power Supply1,473$99Compare
Vantrel PW-7951 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply1,834$139Compare
Zephyra PW-7900 Core 850W 80 PLUS Gold ATX Power Supply1,464$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8684 Core 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/4937482 (accessed 2026-10-20).