4GB DDR4 2666MHz PC4-21300 SODIMM 1Rx16 1.2V 260pin Hynix Original Part # HMA851S6CJR6N-VK DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR3

Manufacturer Samsung Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

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

Manufacturer Cisco  Memory Type DDR4 Capacity 128GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Samsung  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

Manufacturer Hynix Memory Type DDR4 Capacity 128GB Data Transfer Rate 2666Mhz  Bus Type  PC4-21300

4GB DDR4 2666MHz PC4-21300 SODIMM 1Rx16 1.2V 260pin Hynix Original Part # HMA851S6CJR6N-VK DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR3Manufacturer Hynix Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666MHz Bus Type PC4 21300