Cisco SRW2048-K9-NA Model SG300-52 Small Business 300 Series 50-Port Managed Switch with 2 Combo mini-GBIC, Capacity in Millions of Packets per Second 77.38 mpps, Switching Capacity in Gigabits per Second 104.0 Gbps, 16 MB Flash, 128 MB CPU memory, Advanced security protects business assets, Quality of service optimizes network performance, Simple management and configuration tools make deployment easier, Auto Voice VLAN Capabilities, Energy saving technology optimizes power usage and reduces cost, IPv4 / IPv6 Support, Intuitive browser-based tools, mass deployment capabilities, and consistent features across all models simplify setup and configuration