HP P05531-001 is a 16 GB SODIMM memory module for adding or replacing memory in a compatible laptop or compact workstation. It uses DDR5 technology and is rated for 5600 MHz operation.
The compact SODIMM format is intended for smaller computer systems, while its capacity provides additional memory for everyday applications and multitasking. The listing identifies the memory as Hynix. It is intended for systems that support DDR5; the listing does not specify particular computer models.