MikroTik CRS309-1G-8S+IN
The MikroTik CRS309-1G-8S+IN is a powerful and compact 10 Gigabit SFP+ switch designed for enterprise networks, data centers, ISPs, and high-speed fiber deployments. Equipped with 8×10G SFP+ ports and a dedicated Gigabit Ethernet management port, this switch delivers exceptional performance and flexible network management in a silent fanless design.
Powered by a dual-core 800MHz ARM CPU with 512MB RAM, the CRS309 provides advanced Layer 2 switching and Layer 3 functionality using MikroTik’s RouterOS or simplified SwOS operating systems.
Its compact desktop form factor, passive cooling system, and PoE-IN support make it ideal for modern professional networking environments.
Key Features
- 8× 10G SFP+ ports
- 1× Gigabit Ethernet management port
- Passive silent cooling
- Dual boot RouterOS & SwOS
- Enterprise-grade switching
- PoE-IN support
- High switching capacity
- Compact desktop design
- Layer 2 & Layer 3 support
- Fiber aggregation solution
- Low latency networking
- Rackmount support included
High-Speed 10G Connectivity
The CRS309 is built for demanding fiber networking environments.
| Interface | Quantity |
|---|
| 10G SFP+ Ports | 8 |
| Gigabit Ethernet Port | 1 |
Perfect for:
- enterprise backbone networks
- data center aggregation
- NAS connectivity
- virtualization environments
- ISP fiber deployments
- 10G server connectivity
Powerful Switching Performance
The CRS309 delivers enterprise-level throughput:
| Performance | Value |
|---|
| Switching Capacity | 162 Gbps |
| Non-Blocking Throughput | 81 Gbps |
This ensures:
- low latency
- stable traffic flow
- wire-speed forwarding
- reliable fiber networking
RouterOS & SwOS Dual Boot
Choose the operating system based on your deployment needs.
| Operating System | Purpose |
|---|
| RouterOS | Advanced routing & Layer 3 |
| SwOS | Simplified switching |
Supports:
- VLANs
- ACLs
- QoS
- traffic monitoring
- Layer 3 routing
- advanced firewalling
Silent Passive Cooling
The CRS309 features:
- fanless passive cooling
- silent operation
- compact metal enclosure
- low power consumption
Ideal for:
- offices
- studios
- server rooms
- enterprise desks
- quiet environments
Flexible Power Options
Supports:
- 802.3af/at PoE-IN
- DC power input
- redundant powering flexibility
Power range:
- 12V–57V DC
- PoE-IN: 18V–57V
Technical Specifications
| Feature | Details |
|---|
| Model | CRS309-1G-8S+IN |
| CPU | 98DX8208 |
| CPU Cores | 2 |
| CPU Speed | 800MHz |
| Architecture | ARM 32bit |
| RAM | 512MB |
| Storage | 16MB FLASH |
| 10G SFP+ Ports | 8 |
| Gigabit Ethernet | 1 |
| Operating System | RouterOS / SwOS |
| RouterOS License | Level 5 |
| Switching Capacity | 162 Gbps |
| Non-Blocking Throughput | 81 Gbps |
| Cooling | Passive |
| Max Power Consumption | 23W |
| Dimensions | 272 × 191 × 44 mm |
Ideal Applications
The MikroTik CRS309 is ideal for:
- 10G fiber networking
- enterprise switching
- ISP infrastructure
- data centers
- virtualization labs
- NAS aggregation
- high-speed backbone links
- server connectivity
- professional fiber deployments
Why Choose MikroTik CRS309-1G-8S+IN?
This switch provides:
- affordable 10G networking
- enterprise-grade reliability
- silent operation
- flexible RouterOS features
- scalable fiber connectivity
- high switching performance
- compact deployment
- low power usage
Making it an excellent solution for modern high-speed fiber networking environments.
