buySwitch Mikrotik CRS328-4C-20S-4S+RM Gigabit Ethernet White . The Mikrotik CRS328-4C-20S-4S+RM is a high-performance switch designed for professional environments and complex networks requiring extensive connectivity and stability. This device features a 32-bit ARM architecture and a single-core 800 MHz processor, ensuring efficient and smooth data traffic management. It offers a total of 20 SFP ports for fiber optic connections and 4 SFP+ ports providing higher speeds, ideal for high-speed links, along with 4 combo Ethernet ports and 20 RJ45 ports, facilitating integration with various network infrastructures. Its white plastic casing and dimensions of 443 x 200 x 44 mm contribute to neat rack installation thanks to its RM (rack-mountable) format. This model includes 512 MB RAM and 16 MB FLASH storage, housing the dual RouterOS/SwitchOS operating system with a level 5 license, allowing versatility for different network configurations and services. Additionally, it features advanced monitoring functions such as a CPU temperature monitor and voltage monitor, ensuring operational reliability across a certified temperature range from -20 °C to 60 °C. The switch is powered by dual AC inputs with a universal voltage range of 100-240 V and a maximum consumption of 43 W, providing redundancy and energy efficiency. Its panel also includes LED indicators and a configuration button for easy control and diagnostics. The Mikrotik CRS328-4C-20S-4S+RM positions itself as a robust and flexible solution for network infrastructures demanding high port capacity, speed, and operational stability in enterprise and telecommunications environments. Connectivity: Gigabit EthernetColour: WhiteCharacteristics: LED indicatorConnections: SFP x 4SFP+ x 4RJ45 x 20Recommended use: Rack CabinetSafety: IGMP