The memory-optimized EC2 R8G family, generally available since July 16, 2024, features the AWS Graviton4 processor with Neoverse V2 (aarch64) cores and DDR5-5600 memory. Designed for memory-intensive workloads, these instances scale up to 1.5TB of RAM and are EBS-only for storage. They provide up to 50 Gbps of enhanced networking and 40 Gbps of EBS bandwidth, also offering bare metal options.