16GB DDR3-1866MHZ Rdimm TAA
Cisco Systems Part# UCS-MR-1X162RZA++=
RAM Modules – TAA Compliant – RAM Module - 1.50 V Memory Voltage - DDR3-1866/PC3-14900 - DDR3 SDRAM - 16 GB Memory Size - DIMM - 1866 MHz Memory Speed - Server - Registered - Cisco UCS C220 M3 High-Density Rack Server