Hardware Spec Index

Novexa PW-8057 Prime 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW8057-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index748 (Power Supplies scale)
Category rank#28,659
Street price$39
Power550 W (rated)
Performance per dollar19.18
Released2021

Specifications

BrandNovexa
ModelNovexa PW-8057 Prime
Rated output550 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
Zephyra PW-5066 Max 1200W 80 PLUS Gold ATX 3.0 Power Supply2,201$239Compare
Teralux PW-7022 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply918$39Compare
Caldera PW-2454 XT 1000W 80 PLUS Gold ATX Power Supply2,438$269Compare
Vantrel PW-1423 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply1,242$69Compare
Novexa PW-9906 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply1,506$109Compare
Novexa PW-8626 Pro 550W 80 PLUS Gold ATX Power Supply1,116$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8057 Prime 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/16248704 (accessed 2026-10-22).