Hardware Spec Index

Zephyra PW-6840 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW6840-PLUS · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index1,608 (Power Supplies scale)
Category rank#16,937
Street price$119
Power850 W (rated)
Performance per dollar13.51
Released2023

Specifications

BrandZephyra
ModelZephyra PW-6840 Plus
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan140 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-3412 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,889$399Compare
Zephyra PW-8577 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,401$69Compare
Novexa PW-2131 Edge 850W 80 PLUS Platinum ATX 3.1 Power Supply1,909$159Compare
Teralux PW-3020 SE 550W 80 PLUS Bronze ATX Power Supply807$39Compare
Novexa PW-3848 Pro 1000W 80 PLUS Gold ATX Power Supply2,016$219Compare
Novexa PW-3233 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,691$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6840 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/150237 (accessed 2026-10-18).