16GB DDR3 1066Mhz PC3-8500 ECC RDIMM 4Rx4 1.5V 240pin Kingston Original Part # KTH-PL310Q/16G DDR5-SODIMM-Laptop RAM Manufacturer Cisco Memory Type DDR4

Manufacturer Cisco Memory Type DDR4 Capacity 32GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

Manufacturer Micron  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666Mhz  Bus Type  PC4-21300

Manufacturer Sumsung  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933MHz  Bus Type PC4-23400

16GB DDR3 1066Mhz PC3-8500 ECC RDIMM 4Rx4 1.5V 240pin Kingston Original Part # KTH-PL310Q/16G DDR5-SODIMM-Laptop RAM Manufacturer Cisco Memory Type DDR4Manufacturer Kingston Memory Type DDR3 Capacity 16GB Data Transfer Rate 1066Mhz Bus Type PC3 8500