Hardware Spec Index

Novexa PW-7640 Core 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW7640-CORE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,661 (Power Supplies scale)
Category rank#30,587
Street price$119
Power850 W (rated)
Performance per dollar13.96
Released2021

Specifications

BrandNovexa
ModelNovexa PW-7640 Core
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
Teralux PW-3646 Ti 550W 80 PLUS Bronze ATX 3.1 Power Supply1,061$49Compare
Zephyra PW-5409 Prime 850W 80 PLUS Bronze ATX Power Supply1,249$79Compare
Novexa PW-4076 XT 1200W 80 PLUS Gold ATX Power Supply2,590$269Compare
Novexa PW-2960 XT 850W 80 PLUS Gold SFX Power Supply1,287$69Compare
Caldera PW-4863 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,728$149Compare
Teralux PW-4784 Ultra 850W 80 PLUS Gold ATX Power Supply1,921$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7640 Core 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2187642 (accessed 2026-10-23).