Hardware Spec Index

Novexa PW-8421 XT 1300W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW8421-XT · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,930 (Power Supplies scale)
Category rank#24,666
Street price$369
Power1300 W (rated)
Performance per dollar7.94
Released2023

Specifications

BrandNovexa
ModelNovexa PW-8421 XT
Rated output1,300 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-7319 Ti 1600W 80 PLUS Platinum ATX Power Supply2,477$299Compare
Novexa PW-7260 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,791$129Compare
Zephyra PW-7352 Plus 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,474$289Compare
Teralux PW-6536 Ultra 1200W 80 PLUS Gold ATX Power Supply2,322$249Compare
Teralux PW-4034 Core 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,809$299Compare
Caldera PW-1024 Max 850W 80 PLUS Gold ATX Power Supply1,423$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8421 XT 1300W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/18186166 (accessed 2026-10-24).