Hardware Spec Index

Novexa PW-4859 Max 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW4859-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,647 (Power Supplies scale)
Category rank#43,330
Street price$129
Power850 W (rated)
Performance per dollar12.77
Released2025

Specifications

BrandNovexa
ModelNovexa PW-4859 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 factorATX
ModularityFully 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

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Cite this page: Hardware Spec Index, “Novexa PW-4859 Max 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/95529496 (accessed 2026-10-25).