Hardware Spec Index

Novexa PW-3577 XT 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW3577-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,524 (Power Supplies scale)
Category rank#44,357
Street price$109
Power850 W (rated)
Performance per dollar13.98
Released2024

Specifications

BrandNovexa
ModelNovexa PW-3577 XT
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 factorSFX-L
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
Zephyra PW-2058 Ultra 550W 80 PLUS Bronze SFX Power Supply1,192$59Compare
Caldera PW-5965 Max 750W 80 PLUS Bronze ATX 3.0 Power Supply1,182$69Compare
Zephyra PW-2450 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,847$179Compare
Vantrel PW-1803 XT 850W 80 PLUS Gold SFX Power Supply1,506$79Compare
Caldera PW-3817 Core 750W 80 PLUS Bronze ATX Power Supply1,357$69Compare
Novexa PW-5966 Max 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,708$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3577 XT 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/45911257 (accessed 2026-10-19).