Samsung M321R2GA3PB0-CWM 16GB DDR5-5600 REG EC8 RDIMM PC5-44800R ECC Registered DIMM 288-Pin 1Rx8 1.1V Server Memory RAM Module

The Samsung M321R2GA3PB0-CWM is a 16GB DDR5-5600 ECC registered RDIMM for compatible servers, with a 288-pin, 1Rx8 design and CL46 latency. It suits server owners upgrading or replacing memory in systems that support DDR5 RDIMMs.

Recommended For

• Server administrators expanding memory in a DDR5 server that supports 16GB ECC registered RDIMMs; confirm the system’s memory compatibility list before buying.
• System integrators building or servicing supported ASUS server platforms that list this Samsung module as validated memory.
• Homelab or virtualization users whose server motherboard and CPU support DDR5 RDIMMs and who want to add memory in 16GB increments.

Real-World Use Scenarios

• When expanding a compatible DDR5 server for virtualization, this 16GB module adds memory for guest VMs; the practical benefit depends on the host’s existing RAM, workload, and supported DIMM configuration.
• For a database server experiencing memory pressure, adding supported RAM can give the database engine more physical memory for cached data pages, potentially reducing reads from storage; the result depends on the database and its configuration.
• In a server or workstation that supports DDR5 ECC RDIMMs, this module can be used as a replacement or incremental memory addition; ECC support and registered-DIMM operation are intended for compatible server platforms, not ordinary desktop memory slots.
• For a small server or lab host running several services or virtual machines, adding this module can provide extra memory headroom when the system is close to using all its RAM; one 16GB DIMM is an incremental upgrade, not a guarantee that every workload will run faster.