Hardware Spec Index

Novexa PW-5581 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW5581-CORE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,237 (Power Supplies scale)
Category rank#30,829
Street price$229
Power1200 W (rated)
Performance per dollar9.77
Released2025

Specifications

BrandNovexa
ModelNovexa PW-5581 Core
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 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
Vantrel PW-8578 Max 1200W 80 PLUS Platinum ATX Power Supply2,181$199Compare
Caldera PW-2657 Pro 750W 80 PLUS Gold ATX 3.0 Power Supply1,260$79Compare
Vantrel PW-1684 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,622$109Compare
Vantrel PW-4558 Plus 850W 80 PLUS Platinum ATX Power Supply2,034$169Compare
Novexa PW-6269 Pro 750W 80 PLUS Bronze ATX Power Supply1,035$49Compare
Teralux PW-5328 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,667$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5581 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/8774247 (accessed 2026-10-21).