The Hynix HMAA8GL7AMR4N-VK is a 64GB DDR4 SDRAM memory module designed for server applications. It operates at a speed of 2666 MHz (PC4-21300) and has a CL19 latency. It is a Load Reduced DIMM (LRDIMM) with a 4Rx4 configuration, meaning it has four ranks and four data channels per rank. This memory module is commonly used in servers and workstations that require high memory capacity and performance. It is compatible with Intel platform systems. Here are some key features of the Hynix HMAA8GL7AMR4N-VK: Capacity: 64GB Speed: 2666 MHz (PC4-21300) Latency: CL19 Type: DDR4 SDRAM Form Factor: LRDIMM Configuration: 4Rx4 ECC: Yes Voltage: 1.2V Warranty: 60day