Hardware Spec Index

Novexa PW-4321 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW4321-TI · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,309 (Power Supplies scale)
Category rank#29,523
Street price$79
Power850 W (rated)
Performance per dollar16.57
Released2024

Specifications

BrandNovexa
ModelNovexa PW-4321 Ti
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
Fan135 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
Zephyra PW-8147 Max 750W 80 PLUS Gold ATX Power Supply1,482$79Compare
Novexa PW-1552 Prime 850W 80 PLUS Gold ATX Power Supply1,452$99Compare
Zephyra PW-5141 Ti 1000W 80 PLUS Titanium ATX Power Supply2,326$209Compare
Teralux PW-6807 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,648$329Compare
Novexa PW-6837 Edge 1000W 80 PLUS Titanium ATX Power Supply2,270$239Compare
Novexa PW-2197 Edge 1000W 80 PLUS Platinum ATX Power Supply2,394$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4321 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/82322228 (accessed 2026-10-25).