Hardware Spec Index

Zephyra PW-8709 Max 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW8709-MAX · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,478 (Power Supplies scale)
Category rank#1,743
Street price$79
Power850 W (rated)
Performance per dollar18.71
Released2026

Specifications

BrandZephyra
ModelZephyra PW-8709 Max
Rated output850 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-pin2×
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
Novexa PW-9114 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,800$369Compare
Zephyra PW-5629 Ultra 1000W 80 PLUS Platinum ATX Power Supply1,803$159Compare
Caldera PW-4768 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply891$49Compare
Teralux PW-1206 Ti 1000W 80 PLUS Platinum ATX Power Supply2,110$209Compare
Caldera PW-5689 Core 1000W 80 PLUS Gold ATX 3.0 Power Supply1,956$139Compare
Caldera PW-1284 Plus 1200W 80 PLUS Gold ATX 3.0 Power Supply2,154$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8709 Max 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/43667025 (accessed 2026-10-20).