Hardware Spec Index

Novexa PW-5143 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW5143-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,665 (Power Supplies scale)
Category rank#31,196
Street price$129
Power850 W (rated)
Performance per dollar12.91
Released2019

Specifications

BrandNovexa
ModelNovexa PW-5143 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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-1299 Prime 850W 80 PLUS Gold SFX Power Supply1,811$139Compare
Zephyra PW-9603 Max 850W 80 PLUS Gold SFX Power Supply1,796$119Compare
Vantrel PW-7802 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,857$159Compare
Zephyra PW-1915 XT 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,199$229Compare
Teralux PW-7470 Core 650W 80 PLUS Gold ATX 3.1 Power Supply1,271$69Compare
Novexa PW-8546 Ultra 850W 80 PLUS Bronze ATX Power Supply1,542$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5143 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7803892 (accessed 2026-10-23).