16GB DDR3 RDIMM server memory module, 1866MHz with registered ECC support. Enterprise-grade server RAM designed for 24/7 continuous operation in rack and tower server environments. ECC (Error-Correcting Code) technology detects and corrects single-bit memory errors, ensuring data integrity for critical workloads. Ideal for: Virtualization hosts (VMware, Hyper-V, Proxmox), database servers (SQL, Oracle, MySQL), ERP and business applications, and high-memory workloads such as in-memory analytics. Compatible with Dell PowerEdge, HP ProLiant, IBM System x, Lenovo ThinkSystem, and Supermicro server platforms. Sold as a single module. Contact us for quantity pricing and compatibility check for your specific server model.