Hardware Spec Index

Novexa PW-9907 XT 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW9907-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index894 (Power Supplies scale)
Category rank#18,233
Street price$49
Power550 W (rated)
Performance per dollar18.24
Released2023

Specifications

BrandNovexa
ModelNovexa PW-9907 XT
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-7029 Ti 1000W 80 PLUS Gold ATX Power Supply1,919$189Compare
Zephyra PW-5665 XT 850W 80 PLUS Platinum ATX 3.0 Power Supply1,856$179Compare
Teralux PW-7185 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,731$379Compare
Novexa PW-9553 Prime 550W 80 PLUS Bronze ATX Power Supply834$39Compare
Teralux PW-2791 Pro 1600W 80 PLUS Platinum ATX Power Supply2,796$369Compare
Caldera PW-2158 Core 850W 80 PLUS Bronze ATX 3.1 Power Supply1,370$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9907 XT 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/20117191 (accessed 2026-10-19).