To ensure system stability, always download BIOS files directly from the Official HP Support Page .

Yes. HP used AMI BIOS core for this series. The BIN file is an AMI Aptio 4.x image.

How do I obtain the HP Pro 3500 series MT BIOS bin file? A: You can obtain the BIOS bin file from the official HP website, HP support tools, or third-party sources.

Where to obtain safely

Most users searching specifically for the .bin file (as opposed to the standard .exe flash utility) are likely doing a BIOS recovery using a programmer (like a CH341A) because the PC is bricked.