Hardware Spec Index

Novexa PW-3657 Prime 750W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW3657-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,507 (Power Supplies scale)
Category rank#46,790
Street price$89
Power750 W (rated)
Performance per dollar16.93
Released2019

Specifications

BrandNovexa
ModelNovexa PW-3657 Prime
Rated output750 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularityFully modular
Fan120 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-4505 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$379Compare
Caldera PW-7982 SE 850W 80 PLUS Gold ATX Power Supply1,655$119Compare
Zephyra PW-8009 SE 1000W 80 PLUS Titanium ATX Power Supply2,287$269Compare
Teralux PW-6897 XT 650W 80 PLUS Bronze ATX Power Supply686$39Compare
Teralux PW-7390 XT 550W 80 PLUS Gold ATX Power Supply819$39Compare
Zephyra PW-7772 Pro 850W 80 PLUS Bronze ATX Power Supply1,431$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3657 Prime 750W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/11117475 (accessed 2026-10-19).