The HP 863806-001 heatsink is a replacement thermal component for an Intel DIS configuration. It is identified for Fangio23/27 systems, helping manage heat around the processor as part of the computer’s cooling assembly.
This part is listed under the exact HP number 863806-001. Its stated Intel DIS designation and Fangio23/27 association make its intended system family clear. The listing does not specify dimensions or package contents.