buy Switch D-Link DGS-3130-30PS/E . The DGS-3130-30PS/E from D-Link is a Layer 3 managed switch designed to provide robust and flexible connectivity in professional and business environments. It features 24 RJ-45 Gigabit Ethernet ports (10/100/1000 Mbps) for fast and stable connections to multiple devices, plus SFP+ ports for fiber optic links that ensure high speed and long-distance transmission. It includes a USB 2.0 port that facilitates system management and updates or configuration via external devices. This model supports advanced network standards such as IEEE 802.1D, 802.1Q, 802.1p, 802.1s, 802.1v, 802.1w, and 802.1x, providing quality of service (QoS), multiple VLANs, redundancy, and user authentication security—essential features for demanding enterprise networks. Its switching capacity of up to 168 Gbit/s and a MAC address table with 16,384 entries ensure efficient traffic processing and optimal performance, especially in complex infrastructures. Additionally, it supports Power over Ethernet (PoE), allowing compatible devices to be powered directly through the network cable, simplifying installation and reducing extra wiring. The switch has a gray finish and thermoplastic polyurethane housing, ensuring durability and resistance, along with a design suitable for rack mounting, facilitating integration into standard telecom cabinets. Overall, the DGS-3130-30PS/E represents an advanced and reliable solution for managing networks with high performance and flexibility demands, optimizing both connectivity and centralized management. Product with plug: YesType: SwitchStackableType of plug: Plug EUPower supply: Electric NetworkDCColour: GreyConnections: USB 2.0RJ45SFP+PoEEthernet LANRJ45 x 24Voltage: 100-240 V100 - 240 VVentilator: 3Frequency: 50-60 Hz50 - 60 HzMaterial: poliuretano termoplasticoHolder: Multi-supportNumber of slots: 4Power: 370 WCharacteristics: LED in operation indicatorData protection/PasswordWidth: 44 cmWorking range for humidity: 10 % - 90 %Approx. temperature: -40º / 70ºSafety: IGMPDiagonal of the screen (cm): 16,3 cm