Hardware Spec Index

Novexa PW-4839 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW4839-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,680 (Power Supplies scale)
Category rank#34,560
Street price$119
Power850 W (rated)
Performance per dollar14.12
Released2019

Specifications

BrandNovexa
ModelNovexa PW-4839 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-8324 Ti 650W 80 PLUS Bronze ATX 3.0 Power Supply983$39Compare
Teralux PW-3874 Core 1200W 80 PLUS Gold ATX 3.0 Power Supply2,236$199Compare
Vantrel PW-2502 Max 1300W 80 PLUS Gold ATX Power Supply2,531$279Compare
Caldera PW-4838 Edge 1000W 80 PLUS Gold ATX Power Supply1,756$109Compare
Zephyra PW-9622 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,583$119Compare
Novexa PW-2980 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply836$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4839 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/94823520 (accessed 2026-10-23).