Hardware Spec Index

Novexa PW-7705 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW7705-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,051 (Power Supplies scale)
Category rank#46,971
Street price$49
Power550 W (rated)
Performance per dollar21.45
Released2022

Specifications

BrandNovexa
ModelNovexa PW-7705 Prime
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-1817 Ti 1000W 80 PLUS Gold SFX Power Supply1,822$169Compare
Caldera PW-2673 Prime 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,178$209Compare
Vantrel PW-2502 Edge 850W 80 PLUS Gold ATX Power Supply1,410$99Compare
Novexa PW-3639 Edge 1600W 80 PLUS Platinum ATX Power Supply2,832$349Compare
Teralux PW-8636 Ti 1300W 80 PLUS Gold ATX 3.1 Power Supply2,456$289Compare
Caldera PW-7209 Ti 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,490$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7705 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/7670000 (accessed 2026-10-22).