MikroTik CRS305-1G-4S+IN
The MikroTik CRS305-1G-4S+IN is a powerful and compact 10G SFP+ desktop switch designed for high-speed fiber networking, data-intensive environments, and enterprise connectivity. With four 10Gbps SFP+ ports and a dedicated Gigabit Ethernet management port, this switch delivers reliable ultra-fast networking in a silent fanless design.
Powered by a dual-core 800MHz CPU and 512MB RAM, the CRS305 supports advanced Layer 2 switching and Layer 3 features through MikroTik’s flexible RouterOS or simplified SwOS operating systems.
Its compact metal enclosure, passive cooling system, and redundant power options make it ideal for offices, labs, ISPs, server rooms, and high-performance networking setups.
Key Features
- 4× 10G SFP+ ports
- 1× Gigabit Ethernet port
- Compact desktop design
- Passive silent cooling
- Dual boot RouterOS & SwOS
- Layer 2 & Layer 3 features
- Dual-core ARM CPU
- Redundant power inputs
- PoE-IN support
- Low power consumption
- Fanless metal enclosure
- Enterprise-grade performance
High-Speed 10G Networking
The CRS305 features:
| Interface | Quantity |
|---|
| 10G SFP+ Ports | 4 |
| Gigabit Ethernet | 1 |
Perfect for:
- high-speed fiber uplinks
- NAS connectivity
- virtualization environments
- server networking
- ISP aggregation
- enterprise backbone links
Dual Boot Flexibility
The switch supports both:
| Operating System | Purpose |
|---|
| RouterOS | Advanced routing & Layer 3 |
| SwOS | Simplified switching |
This allows users to choose between:
- advanced enterprise routing
- lightweight switching management
- VLAN configuration
- ACL management
- traffic control
- flexible network deployment
Silent Fanless Design
The CRS305 uses:
- passive cooling
- compact metal enclosure
- no internal fans
- silent operation
Making it ideal for:
- offices
- studios
- desktop environments
- labs
- home data centers
Reliable Power Options
Supports:
- dual DC power inputs
- PoE-IN support
- redundant powering
- stable enterprise deployment
Power input range:
- 12V–57V DC
- 802.3af/at PoE-IN
Technical Specifications
| Feature | Details |
|---|
| Model | CRS305-1G-4S+IN |
| CPU | 98DX3236 |
| CPU Cores | 2 |
| CPU Speed | 800MHz |
| Architecture | ARM 32bit |
| RAM | 512MB |
| Storage | 16MB FLASH |
| 10G SFP+ Ports | 4 |
| Gigabit Ethernet | 1 |
| Operating System | RouterOS / SwOS |
| License Level | L5 |
| Cooling | Passive |
| Max Power Consumption | 18W |
| Dimensions | 141 × 115 × 28 mm |
Ideal Applications
The MikroTik CRS305 is ideal for:
- 10G fiber networking
- NAS & storage systems
- server rooms
- virtualization labs
- enterprise switching
- ISP deployments
- workstation aggregation
- small data centers
- high-speed backbone links
Why Choose MikroTik CRS305-1G-4S+IN?
This compact 10G switch offers:
- affordable 10G networking
- silent fanless operation
- enterprise-grade reliability
- flexible RouterOS features
- compact deployment
- dual operating systems
- low power usage
- scalable fiber connectivity
Making it an excellent solution for professional and high-speed network environments.
