Hardware Spec Index

Novexa PW-4357 XT 850W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW4357-XT · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,938 (Power Supplies scale)
Category rank#387
Street price$149
Power850 W (rated)
Performance per dollar13.01
Released2022

Specifications

BrandNovexa
ModelNovexa PW-4357 XT
Rated output850 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-pin2×
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
Teralux PW-6128 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,550$89Compare
Caldera PW-5203 Ti 1300W 80 PLUS Titanium ATX Power Supply2,780$309Compare
Caldera PW-8413 Plus 650W 80 PLUS Gold ATX 3.0 Power Supply1,120$59Compare
Novexa PW-3096 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply2,159$249Compare
Vantrel PW-1676 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,066$169Compare
Novexa PW-8635 XT 1000W 80 PLUS Platinum ATX Power Supply1,883$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4357 XT 850W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/3342232 (accessed 2026-10-26).