8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA81GR7MFR8N-VK DDR5-NON ECC Desktop Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

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

Manufacturer Kingston  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

Manufacturer Sumsung Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type  PC4-21300

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA81GR7MFR8N-VK DDR5-NON ECC Desktop Manufacturer Samsung Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300