Hardware Spec Index

Novexa PW-6477 XT 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW6477-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,047 (Power Supplies scale)
Category rank#42,429
Street price$159
Power850 W (rated)
Performance per dollar12.87
Released2019

Specifications

BrandNovexa
ModelNovexa PW-6477 XT
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-8969 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply833$49Compare
Vantrel PW-6678 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,107$189Compare
Vantrel PW-4228 XT 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,104$219Compare
Zephyra PW-5161 SE 850W 80 PLUS Gold SFX Power Supply1,447$109Compare
Zephyra PW-2267 XT 1300W 80 PLUS Platinum ATX Power Supply2,827$329Compare
Vantrel PW-8183 SE 1600W 80 PLUS Titanium ATX Power Supply2,733$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-6477 XT 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/97273708 (accessed 2026-10-19).