H3C S5136S 8 Ports Fanless Gigabit Access Switch With 10G SFP+ Uplink H3C S5136S Series 8 ports Gigabit Access Switches with IRF2 stacking support, designed for enterprise network access scenarios. Key Features Fanless silent design - Ideal for noise-sensitive environments like classrooms, hotels, and dormitories Dual-core 1.2GHz CPU with 2GB RAM - Supports static route, RIP and OSPF L3 routing protocols IRF2 virtual stacking - Supports up to 9 units as one logical device,