Hardware Spec Index

Novexa PW-9383 Prime 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW9383-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index890 (Power Supplies scale)
Category rank#44,244
Street price$39
Power550 W (rated)
Performance per dollar22.82
Released2021

Specifications

BrandNovexa
ModelNovexa PW-9383 Prime
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3909 XT 750W 80 PLUS Gold ATX 3.0 Power Supply1,250$59Compare
Novexa PW-1861 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,564$109Compare
Vantrel PW-7963 Max 1000W 80 PLUS Platinum ATX Power Supply2,137$219Compare
Novexa PW-5198 Edge 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,687$359Compare
Novexa PW-3311 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,873$129Compare
Zephyra PW-2923 Pro 1600W 80 PLUS Titanium ATX Power Supply2,980$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9383 Prime 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/8339031 (accessed 2026-10-21).