Hardware Spec Index

Novexa PW-6551 Ti 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW6551-TI · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index799 (Power Supplies scale)
Category rank#7,701
Street price$39
Power550 W (rated)
Performance per dollar20.49
Released2023

Specifications

BrandNovexa
ModelNovexa PW-6551 Ti
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
Fan120 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-1494 Max 1600W 80 PLUS Platinum ATX Power Supply2,886$349Compare
Zephyra PW-3448 Pro 550W 80 PLUS Bronze SFX Power Supply797$39Compare
Caldera PW-8914 XT 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,289$199Compare
Vantrel PW-8747 XT 650W 80 PLUS Bronze ATX Power Supply773$39Compare
Novexa PW-6836 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,379$79Compare
Teralux PW-7199 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,916$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-6551 Ti 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/417846 (accessed 2026-10-20).