Samsung M393A2K43DB3-CWE is a 16 GB memory module for systems that use registered DDR4 DIMMs. Its DDR4-3200 specification identifies its memory generation and data rate, while the registered design is intended for supported server or workstation platforms.
The module uses a 288-pin DIMM format and has a 2Rx8 organization. ECC support can detect and correct certain memory errors in systems that support this feature. It operates at 1.2 V and has a listed height of 31.25 mm.
This is one 16 GB RDIMM. The source does not specify particular compatible system models, so compatibility is not stated here.