The D2 instance family, designed for workloads requiring high sequential read/write access, features Intel Xeon E5-2676 v3 (Haswell) processors. D2 instances provide HDD-based local storage, up to 48 TB per instance, and deliver high disk throughput. Networking capabilities include support for Enhanced Networking, and they are EBS-optimized, ensuring efficient utilization of EBS volume IOPS. D2 instances are a previous generation instance type.