Memory_Bo 16GB DDR4 2666MHZ UDIMM
Lenovo Part# 4X70R38788
RAM Modules – RAM Module - 1.20 V Memory Voltage - DDR4-2666/PC4-21300 - DDR4 SDRAM - CL19 - 16 GB Memory Size - DIMM - 2666 MHz Memory Speed - Non-ECC - 288-pin Pins - Unbuffered - China - 1 x 16GB Modules
SM 64GB DDR4 2400MHZ 4RX4
Lenovo Part# 46W0841
RAM Modules – RAM Module - 1.20 V Memory Voltage - DDR4-2400/PC4-19200 - DDR4 SDRAM - 64 GB Memory Size - LRDIMM - 2400 MHz Memory Speed - Server - Lenovo System x3650 M5 Server