MikroTik CRS112-8G-4S-IN 8-Port Gigabit Ethernet Smart Switch with 4 SFP Cages

The MikroTik CRS112-8G-4S-IN is a compact and versatile Smart Switch designed for reliable network connectivity in small to medium business environments, ISPs, offices, and advanced home networks. It features eight Gigabit Ethernet ports and four SFP cages for fiber connectivity, providing flexible copper and fiber networking options. Powered by a 400MHz CPU with 128MB RAM and running MikroTik RouterOS Level 5, the CRS112-8G-4S-IN supports advanced Layer 2 switching, VLAN management, traffic monitoring, and basic routing functions. Its fanless design, low power consumption, and passive PoE input support make it a reliable solution for efficient network deployments.

Product Features

Eight Gigabit Ethernet Ports

Equipped with eight 10/100/1000 Mbps Gigabit Ethernet ports for connecting computers, servers, access points, switches, and other network devices.

Four SFP Fiber Ports

Includes four SFP cages that support fiber optic modules for long-distance links, uplinks, and network expansion.

Smart Layer 2 Switching

Provides advanced switching features through MikroTik RouterOS, including VLAN configuration, port management, traffic monitoring, and switching control.

RouterOS Level 5 Support

Runs MikroTik RouterOS with Level 5 licensing, offering flexible configuration options, network monitoring, and advanced management features.

Dual Power Input Options

Supports both DC power input and passive PoE input, providing flexible installation options in different network environments.

Compact Fanless Design

Features passive cooling with no fans, ensuring silent operation, reduced maintenance, and improved reliability.

Hardware Monitoring Features

Includes voltage, current, and temperature monitoring for improved device management and operational awareness.

Flexible Network Deployment

Can operate as a managed switch or provide Layer 3 routing capabilities for specific network applications.

Product Specifications

• Model: CRS112-8G-4S-IN
• Product Type: Smart Managed Gigabit Ethernet Switch
• Architecture: MIPSBE
• Processor: QCA8511
• CPU Frequency: 400 MHz
• CPU Core Count: 1
• RAM: 128 MB
• Storage: 16 MB Flash
• Operating System: MikroTik RouterOS
• RouterOS License: Level 5
• Ethernet Ports: 8 × 10/100/1000 Mbps Gigabit Ethernet
• SFP Ports: 4 × SFP
• Switch Chip: QCA8511-AL1C
• Console Port: RJ45 Serial Console
• PoE Input: Passive PoE
• DC Input Voltage: 10–57 V
• Maximum Power Consumption: 10 W
• Cooling: Passive Fanless
• Dimensions: 200 × 143 × 44 mm
• Operating Temperature: -40°C to 70°C
• MTBF: Approximately 200,000 hours at 25°C
• Ideal Applications: Enterprise networks, fiber uplinks, ISP infrastructure, office networks, surveillance systems, and managed switching environments.