Based on this product's specifications, here are some alternatives and similar models
Memory module HP Enterprise 64GB DDR4-2933 Registered DIMM 288-pin Dual Rank CAS21
Summary description:
Server/PC memory module HP Enterprise 64GB (1x64GB) DDR4-2933 Registered Smart Memory in 288-pin DIMM form factor. Dual rank x4 configuration with CAS latency 21 and 1.2 V operating voltage. Designed for use in compatible HPE servers and workstations to expand system RAM, improve multitasking and support memory-intensive applications.