Routing Table Size: 16000, Stacking: Physical and Virtual, Stacking Capacity: Physical (9), Virtual (32), Number of Ports: 48 - 52, PoE Type Required: PoE|PoE+, Stacking Bandwidth: 80 Gbps, Fans: 4, Jumbo Frame: 12K bytes, SFP ports: 4 Ports (Combo), Lifetime Limited Warranty, DGS-3630-52PC.