Laptop USB Audio IO Board With Matching Ribbon Cable NS-B165 NF-B162 FRU 5C50N67253 DY510 DY511, Replacement Side Interface Daughterboard for Lenovo Legion Y720-15IKB Notebook

This replacement USB audio IO daughterboard with original matched flat ribbon cable is specially engineered for Lenovo Legion Y720-15IKB gaming laptops, fully matching official part codes NS-B165, NF-B162, FRU 5C50N67253, DY510 and DY511 as a direct drop-in repair spare part

The compact side panel PCB integrates two core functional interfaces: high-speed USB port for connecting flash drives, mouse, keyboard and game peripherals, plus universal 3.5mm TRRS combo audio jack compatible with headsets, microphones and external speakers. It perfectly resolves common notebook failures including unrecognizable USB devices, silent audio output, loose jack contact and broken original IO board damage from impact or frequent plugging.

Comes with a perfectly pin-matched ribbon cable consistent with factory wiring definition, no extra adapters, wire cutting or circuit modification required. All mounting hole positions, connector layouts and circuit chips adopt the same standard as original factory parts, supporting plug-and-play replacement without driver conflicts or hardware identification errors after installation.

Manufactured with premium circuit substrates and stable soldering craftsmanship, the board features built-in anti-static and anti-surge protection to avoid short-circuit damage during daily long-term gaming and office use. Every unit undergoes strict continuity and signal testing before shipment to guarantee 100% normal USB data transmission and synchronized audio input/output.

Ideal repair accessory for notebook maintenance technicians and individual Legion Y720-15IKB users. It quickly restores full side port functionality of your gaming laptop at low cost, replacing cracked, burnt or malfunctioning original USB audio boards efficiently.