8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Samsung Original Part # M393B1G73QBO-CMA capacity:8GB Manufacturer Cisco Memory Type DDR4

Manufacturer Cisco  Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

Manufacturer Heatsink  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666MHz  Bus Type  PC4-21300

Manufacturer Hynix Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2400MHz  Bus Type PC4-19200

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

Manufacturer Samsung Memory Type DDR4 Capacity 64GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Samsung Original Part # M393B1G73QBO-CMA capacity:8GB Manufacturer Cisco Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900