Hardware Spec Index

Novexa PW-8257 Prime 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW8257-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index807 (Power Supplies scale)
Category rank#41,393
Street price$39
Power650 W (rated)
Performance per dollar20.69
Released2019

Specifications

BrandNovexa
ModelNovexa PW-8257 Prime
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-2562 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply709$39Compare
Teralux PW-9059 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply2,054$229Compare
Novexa PW-5328 Ti 650W 80 PLUS Gold SFX Power Supply879$49Compare
Novexa PW-8114 Ti 750W 80 PLUS Gold ATX Power Supply1,559$99Compare
Caldera PW-1570 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,239$69Compare
Zephyra PW-7460 Plus 850W 80 PLUS Bronze SFX Power Supply1,375$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8257 Prime 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/8433719 (accessed 2026-10-21).