Hardware Spec Index

Novexa PW-1833 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW1833-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,494 (Power Supplies scale)
Category rank#21,252
Street price$99
Power850 W (rated)
Performance per dollar15.09
Released2025

Specifications

BrandNovexa
ModelNovexa PW-1833 Ultra
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
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-6201 Pro 850W 80 PLUS Gold ATX Power Supply1,230$69Compare
Teralux PW-8227 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,316$79Compare
Novexa PW-6025 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,551$119Compare
Caldera PW-1713 SE 850W 80 PLUS Gold SFX Power Supply1,733$129Compare
Zephyra PW-2412 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply804$39Compare
Caldera PW-6440 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply1,999$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-1833 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/8632652 (accessed 2026-10-22).