MikroTik
MikroTik CRS328-4C-20S-4S+RM - 20SFP Cloud Router Switch
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High-Density Fiber Connectivity with 10G Performance
The MikroTik CRS328-4C-20S-4S+RM is a high-performance, rack-mountable Cloud Router Switch designed for demanding network environments requiring extensive fiber optic connectivity. It features an impressive array of 28 independent ports, including twenty 1G SFP ports, four 10G SFP+ ports for high-speed uplinks, and four versatile combo ports that can be used as either SFP or Gigabit Ethernet RJ45 connections. This flexible configuration makes it an ideal solution for ISPs and large organizations.
Unmatched Flexibility and Control
A standout feature is the unique combo port group. You can choose to use the four combo ports as either SFP for fiber or RJ45 for copper connections. These ports are also software-selectable; if all eight cables are connected (four SFP, four RJ45), you can use scripting to decide which four ports will be active, offering dynamic control over your network configuration. The device also boasts a "Dual Boot" capability, allowing you to choose between the simplified, switch-only SwOS or the fully-featured RouterOS for Layer 3 routing capabilities.
Built for Reliability and Management
Housed in a 1U rackmount chassis, the CRS328-4C-20S-4S+RM is built for reliability, featuring two redundant 100-240V power supplies with failover functionality to ensure maximum uptime. Powered by an 800 MHz CPU and 512 MB of RAM, it delivers a non-blocking throughput of 64 Gbps and a switching capacity of 128 Gbps. For ease of management, a dedicated RJ45 console port is available for configuration and debugging.
Specifications Table
| Feature | Details |
|---|---|
| Product Code | CRS328-4C-20S-4S+RM |
| Architecture | ARM 32bit |
| CPU | 98DX3236 |
| CPU Core Count | 1 |
| CPU Nominal Frequency | 800 MHz |
| SFP Ports | 20 |
| SFP+ Ports | 4 |
| Ethernet/SFP Combo Ports | 4 |
| Non-Blocking Throughput | 64 Gbps |
| Switching Capacity | 128 Gbps |
| Forwarding Rate | 95.2 Mpps |
| Size of RAM | 512 MB |
| Storage Size | 16 MB |
| Storage Type | FLASH |
| Operating System | RouterOS / SwOS (Dual Boot) |
| RouterOS License | 5 |
| Number of AC inputs | 2 |
| AC Input Range | 100-240 V |
| Max Power Consumption | 43 W |
| Dimensions | 443 x 200 x 44 mm |
| Tested Ambient Temperature | -20°C to 60°C |
| Serial Console Port | RJ45 |
Manufacturer Technical Data
| Product Spec Sheet |
 Download |
|---|
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Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
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