- The CRS328-4C-20S-4S+RM is a 28 independent port switch with a combo group
- This device has twenty SFP ports, four SFP+ ports for 10G modules and four combo ports, where you can choose to use SFP or RJ45 ports from the combo group
- These ports can also be software selected, so if you have plugged in all eight cables, you can use scripting, to decide which four combo ports will be active
- The device comes in a 1U rackmount case with two 100-240 V power supplies with failover functionality
- A RJ45 console port is available for management and debugging, and a mode button can be customised to execute any RouterOS commands
- The device has a “Dual boot” feature that allows you to choose between two operating systems - RouterOS or SwOS

Specifications
- Architecture: ARM 32bit
- CPU: 98DX3236
- CPU core count: 1
- CPU nominal frequency: 800 MHz
- Dimensions: 443×200×44 mm
- License level: 5
- Operating System: RouterOS / SwitchOS
- Size of RAM: 512 MB
- Storage size: 16 MB
- Storage type: FLASH
- Tested ambient temperature: -20C to 60C

POWERING
- Number of AC inputs: 2
- AC input range: 100-240
- Max power consumption: 43 W

ETHERNET
- Ethernet Combo ports: 4

FIBER
- SFP ports: 20
- SFP+ ports: 4

PERIPHERALS
- Serial port: RJ45

OTHER
- CPU temperature monitor: Yes
- Voltage Monitor: Yes

INCLUDED PARTS
- IEC cord
- IEC cord
- Rackmount ears