Hardware Spec Index

Novexa PW-2338 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW2338-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index869 (Power Supplies scale)
Category rank#48,558
Street price$39
Power550 W (rated)
Performance per dollar22.28
Released2022

Specifications

BrandNovexa
ModelNovexa PW-2338 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan120 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
Caldera PW-2625 XT 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,654$309Compare
Novexa PW-5761 Pro 1200W 80 PLUS Gold ATX 3.1 Power Supply2,299$249Compare
Novexa PW-4127 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,835$149Compare
Zephyra PW-2656 Prime 550W 80 PLUS Gold ATX Power Supply840$39Compare
Teralux PW-1482 Ultra 750W 80 PLUS Gold ATX Power Supply1,139$59Compare
Zephyra PW-8490 Prime 1000W 80 PLUS Gold SFX Power Supply1,975$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-2338 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/30458580 (accessed 2026-10-22).