MikroTik CRS312-4C+8XG-RM 10G Layer 3 Managed Switch

The MikroTik CRS312-4C+8XG-RM 10G Layer 3 Managed Switch is a compact yet powerful 10G Layer 3 switch, designed for high-speed enterprise, studio, or data center environments. Featuring 8 dedicated 10G RJ45 ports and 4 combo 10G RJ45/SFP+ ports, it delivers exceptional versatility with a total of 12 usable 10G ports.

Built with a robust switch chip and powered by dual OS (RouterOS v7 and SwitchOS), it offers advanced VLAN, Layer 2+, and monitoring capabilities. Redundant PSU support and smart cooling make it an ideal rackmount switch for demanding network cores or aggregation layers.

Here are the very detailed specifications for the MikroTik CRS312‑4C+8XG‑RM

Product Overview

• Model: CRS312‑4C+8XG‑RM
• Product Type: Cloud Router Switch (Core/Aggregation)
• Form Factor: 1U Rackmount
• Dimensions: 443 × 183 × 44 mm
• Operating System: Dual-boot (RouterOS v7 / SwitchOS), License Level 5
• MTBF: ~200,000 hours @ 25 °C
• Operating Temperature: –30 °C to +70 °C
• Ingress Protection: IP20

CRS312-4C+8XG-RM 10G Layer 3 Managed Switch CPU & Memory

• CPU: QCA9531 single-core @ 650 MHz
• RAM: 64 MB
• Storage: 16 MB flash
• USB: 1 × USB Type-A (power reset up to 1 A)
• Console Port: 1 × RJ45 serial

Networking Interfaces

• Ethernet (Copper):
  • 8 × RJ45 10G (1G/2.5G/5G/10G), auto-negotiating
  • 4 × combo ports: RJ45 10G or SFP+ 10G (software selectable)
  • 1 × RJ45 10/100 Mbps management port
• Total Ports: Up to 12 active 10 Gbps links (8 fixed RJ45 + 4 combo)

Switching Performance

• Switch Chip: 98DX8212
• Layer 1 Throughput: 120 Gbps non-blocking
• Layer 2 Switching Capacity: 240 Gbps
• Forwarding Rate: ~178 Mpps
• Key Features: Supports VLANs, LACP, STP/RSTP/MSTP, ACLs, IGMP snooping, port mirroring, and basic RouterOS Layer 3 capabilities

Power & Cooling

• Power Inputs: 2 × AC 100–240 V (redundant)
• Max Power Draw: ~60 W
• Cooling: 4 × temperature-controlled fans

Peripherals & Monitoring

• USB Power Reset: Yes (up to 1 A)
• Voltage / Temperature Monitoring: Yes
• Fan Status Monitoring: Yes

Package Includes

• CRS312‑4C+8XG‑RM unit
• 2 × IEC power cords
• Rackmount ears (K-57 kit)
• Serial console cable

Ideal Use Cases

• Core or aggregation switch for multimedia, research, or data-heavy environments
• High-speed 10 GbE copper connectivity with optional fiber uplinks
• Redundant, rackmount-ready solution for studios, labs, or enterprise networks

Meta Description

MikroTik CRS312-4C+8XG-RM 10G Layer 3 Managed Switch with combo RJ45/SFP+ ports, dual OS, 240Gbps switching, and redundant PSU—perfect for high-performance enterprise and studio networks.

Datasheet