Hardware Spec Index

Novexa PW-4716 Ultra 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW4716-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index904 (Power Supplies scale)
Category rank#11,577
Street price$49
Power550 W (rated)
Performance per dollar18.45
Released2019

Specifications

BrandNovexa
ModelNovexa PW-4716 Ultra
Rated output550 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
Warranty7 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-4716 Ultra 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2348741 (accessed 2026-10-20).