The Samsung M393A1K43DB2-CWE is an 8 GB memory module for systems that use registered DDR4 DIMM memory. Its registered design and ECC error correction make it a server memory option for compatible platforms.
The module uses a 288-pin DIMM form factor and is specified as DDR4-3200 (PC4-25600R). This identifies its memory generation, module class and rated data rate. Its stated organisation is 1Rx8, with 1Gx72 organisation, and its operating voltage is 1.2 V.
This is a single 8 GB module. It is intended for a system that supports registered ECC DDR4 DIMMs; the source does not specify individual compatible computer models.