The Samsung M393A2K43DB3-CWE is a 16GB DDR4-3200 ECC Registered DIMM (RDIMM) module featuring a 2Rx8 (dual-rank x8) configuration at 1.2V, designed for enterprise servers and workstations from vendors like Dell, HPE ProLiant Gen10, Lenovo Think System, Supermicro X11/X12, and Cisco UCS M5/C-series. Operating at PC4-25600 speeds (3200 MT/s) with CL22 CAS latency in a standard 288-pin form factor, it incorporates error-correcting code for data integrity, on-die ECC, and thermal throttling across 0-85°C for reliable performance in virtualization, databases, and HPC workloads.