Hardware Spec Index

Novexa PW-4381 Prime 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW4381-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,255 (Power Supplies scale)
Category rank#13,889
Street price$79
Power650 W (rated)
Performance per dollar15.89
Released2020

Specifications

BrandNovexa
ModelNovexa PW-4381 Prime
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-7553 Core 650W 80 PLUS Gold ATX 3.1 Power Supply838$49Compare
Zephyra PW-5603 Max 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,121$199Compare
Novexa PW-7415 Pro 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,895$369Compare
Vantrel PW-9494 Prime 1300W 80 PLUS Gold ATX 3.1 Power Supply2,347$269Compare
Caldera PW-5309 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply1,114$59Compare
Novexa PW-7038 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,414$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4381 Prime 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/36021762 (accessed 2026-10-23).