MikroTik CRS328-4C-20S-4S+RM Cloud Router Switch
The MikroTik CRS328-4C-20S-4S+RM is a high-performance managed fiber switch built for enterprise, ISP, and data center environments. Equipped with 20 SFP ports, 4×10G SFP+ uplinks, and 4 combo Ethernet/SFP ports, this switch provides flexible fiber aggregation and high-speed backbone connectivity in a compact 1U rackmount form factor.
Powered by RouterOS and SwitchOS dual boot functionality, the CRS328 delivers reliable Layer 3 switching, advanced management, and scalable networking for modern infrastructure deployments.
Key Features
- 20× SFP fiber ports
- 4× 10G SFP+ uplink ports
- 4× Combo RJ45/SFP ports
- Dual boot RouterOS & SwitchOS
- Enterprise Layer 3 switching
- Dual redundant power supplies
- 1U rackmount design
- ARM 32-bit architecture
- 512MB RAM
- High-speed fiber aggregation
Flexible Combo Ports
The CRS328 includes:
Allowing users to choose between:
- Gigabit Ethernet RJ45
- SFP fiber connectivity
The combo ports can also be:
- software controlled
- script managed via RouterOS
Providing maximum deployment flexibility.
High-Density Fiber Connectivity
The switch offers:
Perfect for:
- fiber aggregation
- ISP distribution
- FTTH infrastructure
- campus networking
- enterprise fiber deployments
10G Uplink Performance
The CRS328 features:
Supporting ultra-fast connectivity for:
- core switching
- backbone uplinks
- NAS systems
- server connectivity
- inter-switch links
Dual Boot Flexibility
Choose between:
RouterOS
Ideal for:
- Layer 3 routing
- firewall
- VPN
- advanced traffic management
- scripting & automation
SwitchOS (SwOS)
Ideal for:
- simple switch management
- VLAN configuration
- lightweight deployments
Enterprise Layer 3 Features
Supported features include:
- VLANs
- ACL
- Link Aggregation
- QoS
- Port Isolation
- Traffic Monitoring
- Static Routing
- Jumbo Frames
Built for professional enterprise networking.
Reliable Hardware Design
The CRS328 comes with:
- dual AC power supplies
- failover protection
- dual cooling fans
- durable rackmount chassis
Ensuring stable operation in demanding environments.
Rackmount Form Factor
Designed in:
- compact 1U rackmount format
Ideal for:
- enterprise racks
- ISP cabinets
- server rooms
- fiber aggregation networks
Technical Specifications
| Feature | Details |
|---|
| Model | CRS328-4C-20S-4S+RM |
| SFP Ports | 20 |
| SFP+ Ports | 4× 10G |
| Combo Ports | 4× RJ45/SFP |
| CPU | 98DX3236 |
| CPU Cores | 2 |
| CPU Frequency | 800 MHz |
| RAM | 512 MB |
| Storage | 16 MB Flash |
| Operating System | RouterOS / SwitchOS |
| Power Supplies | Dual PSU |
| Cooling | 2 Fans |
| Form Factor | 1U Rackmount |
Included Accessories
Inside the box:
- Rackmount ears
- 2× IEC power cords
- K-54 mounting kit
Ideal Applications
The MikroTik CRS328-4C-20S-4S+RM is ideal for:
- ISP fiber aggregation
- enterprise fiber networks
- FTTH infrastructure
- data centers
- server room switching
- campus networking
- high-speed backbone deployments
- fiber distribution systems
Why Choose MikroTik CRS328-4C-20S-4S+RM
The CRS328-4C-20S-4S+RM combines:
- high-density fiber connectivity
- flexible combo ports
- 10G uplinks
- enterprise Layer 3 features
- dual OS support
- redundant power supplies
- excellent price-to-performance ratio
Making it a reliable and scalable solution for modern enterprise and ISP fiber networks.
