The HP L24981-006 is a 16 GB DDR4 ECC memory module for memory expansion or replacement in supported systems. Error-correcting memory is intended to detect and correct certain memory errors during operation.
It runs at 2666 MHz and uses a 1.2 V rating. The service guide identifies this exact part for the memory sockets beneath the system board in the HP ZBook 17 G6 Mobile Workstation; those sockets are not customer-accessible.
This variant is listed with a thermal pad, a detail that distinguishes it from the corresponding memory part for the sockets directly beneath the service door. Check system documentation for support and installation requirements.