Hardware Spec Index

Novexa PW-4444 Ultra 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW4444-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,213 (Power Supplies scale)
Category rank#27,225
Street price$59
Power650 W (rated)
Performance per dollar20.56
Released2019

Specifications

BrandNovexa
ModelNovexa PW-4444 Ultra
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

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Cite this page: Hardware Spec Index, “Novexa PW-4444 Ultra 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/13630640 (accessed 2026-10-19).