Hardware Spec Index

Zephyra PW-8439 Max 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW8439-MAX · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,161 (Power Supplies scale)
Category rank#13,269
Street price$59
Power850 W (rated)
Performance per dollar19.68
Released2026

Specifications

BrandZephyra
ModelZephyra PW-8439 Max
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 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-2504 Plus 1200W 80 PLUS Platinum ATX Power Supply2,290$259Compare
Vantrel PW-5989 Plus 850W 80 PLUS Bronze ATX Power Supply1,374$89Compare
Vantrel PW-5102 SE 1300W 80 PLUS Titanium ATX Power Supply2,705$369Compare
Vantrel PW-1244 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply815$39Compare
Teralux PW-9108 Prime 550W 80 PLUS Gold SFX Power Supply795$39Compare
Vantrel PW-8536 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,569$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8439 Max 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/2945337 (accessed 2026-10-20).