The
MikroTik CRS520‑4XS‑16XQ‑RM Layer 3 Switch is a high-performance, enterprise-grade Layer 3 switch tailored for
data centers, high-performance networks, and ISP cores. Featuring
16× 100G QSFP28,
4× 25G SFP28, and
2× 10G RJ45 ports, it is designed to provide
maximum throughput, flexible interface options, and
hardware-based routing offload.
With a powerful
quad-core 2 GHz ARM CPU,
4 GB RAM, and
dual redundant hot-swappable PSUs, it ensures reliable uptime in demanding environments.
General
- Model: CRS520-4XS-16XQ-RM
- Series: Cloud Router Switch (CRS)
- Form Factor: 1U Rackmount
- Operating System: RouterOS v7 (License Level 5)
- Use Case: Enterprise backbone, ISP core, data center switching, high-throughput routing
Hardware
- CPU: ARM 64-bit AL52400, quad-core at 2 GHz
- RAM: 4 GB DDR4
- Storage: 128 MB NAND
- Switch Chipset: Marvell 98CX8410
- Cooling: 4× hot-swappable intelligent fans
Ports
- 16 × 100G QSFP28
- 4 × 25G SFP28
- 2 × 10G RJ45 (10M/100M/1G/2.5G/5G/10G)
- 1 × RJ45 Serial Console Port
Performance
- Switching Capacity: 200 Gbps
- Forwarding Rate: 138 Mpps (64-byte packets)
- Hardware Offloading: Yes (Layer 3 routing acceleration, ACLs, jumbo frames)
- Advanced Routing Protocols: OSPF, BGP, MPLS (via RouterOS)
Power & Environmental
- Power Inputs: Dual AC (hot-swappable, 100–240V AC)
- Redundancy: Yes, with 2 hot-swappable power supply units
- Max Power Consumption: ~150 W (220 W with both PSUs installed)
- Cooling: 4× Hot-swap fans with temperature control
- Operating Temperature: -20°C to +50°C
Software Features
- RouterOS v7 Support:
- Layer 3 dynamic routing (OSPF, BGP, MPLS)
- VLAN, ACL, QoS, firewall
- VRRP, bonding, bridging, scripting
- SNMP, SSH, Web UI, NetFlow
- L3 Hardware Offload: Supported for routing acceleration
- Routing Table Capacity: Supports large-scale route sets
Physical Specifications
- Dimensions: 443 × 200 × 44 mm (1U height)
- Weight: Approx. 3.6 kg
- Chassis: Industrial-grade metal design
- Mounting: Rackmount ears and rear support included
Use Cases
- Core switch for 100G and 25G data center deployments
- ISP peering edge and routing platforms
- High-throughput backbone for cloud computing and storage
- Multimedia or content delivery infrastructure requiring low-latency transport
Meta Description
MikroTik CRS520‑4XS‑16XQ‑RM Layer 3 Switch is a 1U rackmount switch with 16× 100G QSFP28, 4× 25G SFP28, and 2× 10G RJ45 ports, powered by a quad-core 2 GHz CPU, 200 Gbps switching, dual hot-swappable PSUs, and full Layer 3 hardware offload—ideal for data centers and high-speed core networks.
Datasheet
