This download record contains options for updating the BIOS of Intel® NUC Kit NUC6CAYH and NUC6CAYS.

Available Downloads

  • Windows 10, 64-bit*, Windows 11*
  • Size: 11.6 MB
  • SHA1: 92CA92E47AA5CD08B84FDF3358F0F9CBFA80672E
  • OS Independent
  • Size: 11.5 MB
  • SHA1: FB70CF324301D976351F68DE8EFD728BB73E49BC
  • OS Independent
  • Size: 11.3 MB
  • SHA1: 3375EA912DE38191A2C4019E500F8E8D16052F82
  • OS Independent
  • Size: 11.2 MB
  • SHA1: 4A41F8BDE11FFD37D87BD20AFEF89876F4798DE0

Detailed Description

This download record provides options for updating the BIOS of Intel® NUC Kit NUC6CAYH and NUC6CAYS. You only need to download one.

The readme includes BIOS update instructions for advanced users. If you need complete step-by-step instructions on how to use each of these BIOS update methods, refer to BIOS update instructions.

Which file should I choose?

  • Express BIOS update [AYAPLCEL.86A.0071.EB.msi]: Self-extracting Windows*-based update file, designed to be used on Windows systems.
  • Recovery BIOS update []: A .BIO file to be used for F7 BIOS Update method or a BIOS recovery process. In the unlikely event that a BIOS update is interrupted, it's possible the BIOS may be left in an unusable state. Use the recovery BIOS update to recover from this condition. It requires a USB flash device or CD.
  • iFlash BIOS update []: A DOS-based utility to update the BIOS regardless of operating system. It requires a USB flash device or CD.
  • UEFI BIOS update []: Allows updating of the BIOS from the EFI shell. It requires a USB flash device.

What’s new in this release?
See the release notes for installation instructions, supported hardware, what is new, bug fixes, and known issues in this BIOS version.


  • Due to the TXE firmware update in BIOS version 0066, you can’t downgrade to version 0064 or earlier.
  • Optional: The UQI list file included in this record provides UQI values that can be used by Intel Integrator Toolkit and VCUST.

Not sure if this is the right BIOS for your Intel® NUC?
Run Intel® Driver & Support Assistant to automatically detect updates.

Related topic
Troubleshooting BIOS Issues

This download is valid for the product(s) listed below.

Automatic Driver and Software Updates

Identify your products and install Intel driver and software updates for your Windows* system.