Before downloading, ensure your environment meets the minimum specifications to avoid performance bottlenecks. Requirement Virtual Machine (OVA) Gen-2 Appliance Gen-3 Appliance Varies by scale (e.g., 16 vCPUs) 10 Cores / 20 Threads 20 Cores / 40 Threads RAM 16 GB to 64+ GB Storage 200 GB to 1.2 TB 4 x 900 GB RAID 10 4 x 1.2 TB HDD / SSD Source: Cisco Prime 3.10 Quick Start Guide . Key Features in Version 3.10