SK Hynix 16GB DDR4 SDRAM server memory(part number HMA42GR7AFR4N-TF).
Capacity: 16 GB
Memory Type: DDR4 SDRAM
Speed: 2133 MHz (PC4-17000)
Features: ECC (Error-Correcting Code) and Registered (RDIMM)
Compatibility: Designed for servers only; it will not work in standard desktop computers or laptops
100 % Work!