The Supermicro 8GB 288-Pin DDR4 2666 (HMA81GR7AFR8N-VK) server memory is designed for the latest high-performance systems. Each and every memory module are validated and Supermicro certified to ensure performance and reliability. This Supermicro 8GB DDR4 memory offers higher frequencies, greater bandwidth, and lower power consumption to maximize your performance. Memory Capacity 8 GB Memory Technology DDR4 Memory Speed 2666 MHz Voltage 1.2 V ECC ECC REG DIMM Rank 1 rank CAS Latency CL19