📦 Product Overview
The MikroTik CRS520‑4XS‑16XQ‑RM is a high‑performance 100 Gigabit Cloud Router Switch engineered for demanding enterprise networks, data centers, service provider cores, and high‑throughput aggregation layers. It combines ultra‑high port density with robust processing power and advanced software flexibility for both Layer 2 and Layer 3 networking tasks.
🚀 Key Features
🔗 Extreme High‑Speed Connectivity
- 16 × 100 Gbps QSFP28 ports — massive bandwidth for backbone links and server uplinks.
- 4 × 25 Gbps SFP28 ports — flexible multi‑rate connectivity (1G/2.5G/10G/25G).
- 2 × 10 Gbps RJ45 Ethernet ports — versatile copper connectivity for management or data.
🧠 Advanced Software & Routing
- RouterOS v7 with License Level 5 — powerful network OS with no recurring fees.
- Supports OSPF, BGP, ACLs, VPNs, jumbo frames, and hardware‑accelerated L3 routing.
- Quad‑core ARM 64‑bit CPU (2 GHz) and 4 GB DDR4 RAM — additional headroom for network services.
🛠 Enterprise‑Grade Reliability
- Dual hot‑swappable AC power supplies — ensures continuous uptime.
- 4 hot‑swappable fans — robust cooling under load.
- 1U rackmount design — standard form factor for data center installations.
- Operating Temperature Range: ‑20 °C to +50 °C for broad deployment conditions.
📊 Technical Specifications
| Specification | Details |
|---|---|
| Model | CRS520‑4XS‑16XQ‑RM |
| CPU | Quad‑Core ARM AL52400, 2 GHz |
| RAM | 4 GB DDR4 |
| Storage | 128 MB NAND |
| Operating System | RouterOS v7 (License Level 5) |
| 100G Ports | 16 × QSFP28 |
| 25G Ports | 4 × SFP28 |
| 10G Ethernet Ports | 2 × RJ45 |
| Switch Chip | Marvell 98CX8410 |
| Rackmount | 1U Metal Chassis |
| AC Power Inputs | Dual (100‑240 V) |
| Cooling | 4 Hot‑Swap Fans |
| Certifications | CE, EAC, RoHS |
| MTBF | ~200,000 hours |
| Operating Temp. | 20 °C to +50 °C |
| Sources: |
📌 Built‑In Networking Capabilities
✔ Layer 2 Switching at wire speed
✔ Layer 3 Hardware‑Accelerated Routing (L3HW)
✔ Advanced Access Control Lists (ACLs)
✔ Support for VLANs, RSTP/MSTP, interface aggregation
✔ VPN and security protocols via RouterOS
✔ Jumbo Frame support for efficient large‑packet traffic
🎯 Ideal Use Cases
✔ Data Center Core and Leaf Topologies
✔ Internet Service Provider Edge or Backbone Networks
✔ Enterprise Campus Aggregation Switching
✔ High‑Performance Server Farm Connectivity
✔ Multimedia Studios and High‑Bandwidth Workloads
✔ Cloud and Virtualized Environments requiring L3 routing
🔗 Useful Official & Reference Links
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📄 Download the Official MikroTik CRS520‑4XS‑16XQ‑RM Datasheet (PDF) — complete technical specification.
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🌐 MikroTik Main Product Page (CRS520 Series) — official overview, OS support, diagrams.
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📘 RouterOS v7 Documentation (MikroTik) — software features, protocols, and configuration guides.
** — visual product introduction (YouTube).
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