Hardware Spec Index

Novexa PW-7643 Core 850W 80 PLUS Platinum SFX Power Supply

Power Supplies · Novexa · SKU PW7643-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,922 (Power Supplies scale)
Category rank#39,467
Street price$169
Power850 W (rated)
Performance per dollar11.37
Released2025

Specifications

BrandNovexa
ModelNovexa PW-7643 Core
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-3214 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,709$129Compare
Novexa PW-7020 Ti 1000W 80 PLUS Gold SFX Power Supply1,981$179Compare
Vantrel PW-4351 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,343$89Compare
Vantrel PW-7481 Prime 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,768$339Compare
Teralux PW-1296 Prime 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,343$269Compare
Teralux PW-7288 Core 1200W 80 PLUS Titanium ATX Power Supply2,754$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7643 Core 850W 80 PLUS Platinum SFX Power Supply”, https://vextor7.com/item/341879 (accessed 2026-10-19).