Based on this product's specifications, here are some alternatives and similar models
Memory module Dell AA940922 16 GB (2 x 8 GB) DDR4 2666 MHz ECC 288-pin DIMM
Summary description:
Dell AA940922 is a 16 GB internal memory kit for PCs and servers, consisting of 2 × 8 GB DDR4 ECC modules. Operates at 2666 MHz with 1.2 V and fits 288‑pin DIMM sockets. Designed to provide error-correcting memory for systems that require ECC support, suitable for workstation and server reliability and multi‑tasking workloads.