Dell A9781929 32 GB memory module is a system-specific memory upgrade for selected Dell PowerEdge servers and Precision workstations. It adds 32 GB of RAM for supported configurations.
The module uses DDR4 SDRAM and runs at 2666 MHz (PC4-21300). Its 288-pin DIMM format is registered, dual rank and ECC-enabled, with X4 chip organization. These features identify it as server and workstation memory; compatibility depends on the supported system configuration.
It operates at 1.2 V. Dell lists systems including the PowerEdge R740 and Precision Workstation 7920 Tower among compatible models.