Hardware Spec Index

Novexa PW-8647 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW8647-PRO · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index1,828 (Power Supplies scale)
Category rank#45,487
Street price$139
Power850 W (rated)
Performance per dollar13.15
Released2020

Specifications

BrandNovexa
ModelNovexa PW-8647 Pro
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
Novexa PW-8359 Ti 750W 80 PLUS Bronze ATX 3.1 Power Supply992$39Compare
Novexa PW-1678 Edge 650W 80 PLUS Bronze SFX Power Supply947$49Compare
Caldera PW-8623 SE 1000W 80 PLUS Platinum ATX Power Supply2,344$279Compare
Caldera PW-8337 SE 850W 80 PLUS Gold SFX Power Supply1,812$139Compare
Teralux PW-5677 Edge 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,853$399Compare
Vantrel PW-6911 Edge 650W 80 PLUS Bronze ATX Power Supply1,168$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8647 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2431972 (accessed 2026-10-18).