Hardware Spec Index

Novexa PW-4945 SE 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW4945-SE · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index747 (Power Supplies scale)
Category rank#4,441
Street price$39
Power650 W (rated)
Performance per dollar19.15
Released2026

Specifications

BrandNovexa
ModelNovexa PW-4945 SE
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-5684 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,407$279Compare
Teralux PW-2538 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply1,982$179Compare
Zephyra PW-9559 Prime 750W 80 PLUS Bronze ATX Power Supply1,275$79Compare
Caldera PW-9090 Max 650W 80 PLUS Gold ATX Power Supply1,112$59Compare
Novexa PW-4714 Ti 1200W 80 PLUS Platinum ATX Power Supply2,096$199Compare
Vantrel PW-8851 Pro 650W 80 PLUS Gold ATX Power Supply1,335$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4945 SE 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/755710 (accessed 2026-10-26).