4GB DDR3 1333Mhz PC3L-10600 ECC RDIMM 2Rx4 1.35V 240pin Samsung Original Part # M393B5170-GB0-YH9 DDR5-NON ECC Desktop Manufacturer Kingston Memory Type DDR4

Manufacturer Kingston  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666Mhz  Bus Type  PC4-21300

Manufacturer Heatsink  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2133MHz  Bus Type PC4-17000

Manufacturer Micron  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1333Mhz  Bus Type PC3L-10600

Manufacturer Nanya Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type  PC3-12800

4GB DDR3 1333Mhz PC3L-10600 ECC RDIMM 2Rx4 1.35V 240pin Samsung Original Part # M393B5170-GB0-YH9 DDR5-NON ECC Desktop Manufacturer Kingston Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1333Mhz Bus Type PC3L 10600