Hardware Spec Index

Vantrel PW-6577 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Vantrel · SKU PW6577-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,038 (Power Supplies scale)
Category rank#49,551
Street price$49
Power550 W (rated)
Performance per dollar21.18
Released2024

Specifications

BrandVantrel
ModelVantrel PW-6577 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-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
Vantrel PW-8474 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,723$399Compare
Caldera PW-9769 Prime 650W 80 PLUS Gold ATX Power Supply1,215$59Compare
Zephyra PW-4550 Max 750W 80 PLUS Bronze ATX Power Supply1,281$79Compare
Zephyra PW-8663 XT 550W 80 PLUS Bronze ATX Power Supply706$39Compare
Caldera PW-2287 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,423$249Compare
Vantrel PW-3728 Ti 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,636$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-6577 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/7064949 (accessed 2026-10-19).