With CISCO product ID 15-104066-01

CISCO 15-104066-01 - Cisco 16GB DDR4-2400-MHz RDIMM/PC4-19200/single

Also known as 

Micron MTA18ASF2G72PZ-2G3B1QI 16GB DDR4-2400/PC4-19200 RDIMM 288-Pin CL17 Single Rank x4 ECC Registered Memory Module

Two sticks, 32GB of memory.