64GB - Memory Capcity
DDR4 2666Mhz - Type and Speed
4R - Rank (Single, Dual, Quad and Octo)
4 - Data Bit (Organization)
LRDIMM - Module Type
ECC - Error-Correcting Code
1.2V - Voltage
Information
Lenovo Memory
64GB 4RX4 DDR4 2666Mhz LRDIMM RAM
01AG622 - 64GB 4Rx4 TruDDR4 2666MHz LRDIMM