CRS328-4C-20S-4S+RM
Smart Switch, 20 x SFP cages, 4 x SFP+ cages, 4 x Combo ports (Gigabit Ethernet or SFP), 800MHz CPU, 512MB RAM, 1U rackmount case, Dual Power Supplies, RouterOS L5 or SwitchOS (Dual Boot)
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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.
Switching results
| CRS328-4C-20S-4S+RM | |||||||
|---|---|---|---|---|---|---|---|
| Mode | Configuration | 64 byte | 512 byte | 1518 byte | |||
| kpps | Mbps | kpps | Mbps | kpps | Mbps | ||
| Switching | Non blocking Layer 2 throughput | 95,238.1 | 48,761.9 | 15,037.6 | 61,594.0 | 5,201.6 | 63,167.8 |
| Switching | Non blocking Layer 2 capacity | 95,238.1 | 97,523.8 | 15,037.6 | 123,188.0 | 5,201.6 | 126,335.5 |
| Switching | Non blocking Layer 1 throughput | 95,238.1 | 64,000.0 | 15,037.6 | 64,000.0 | 5,201.6 | 64,000.0 |
| Switching | Non blocking Layer 1 capacity | 95,238.1 | 128,000.0 | 15,037.6 | 128,000.0 | 5,201.6 | 128,000.0 |
Ethernet test results
| CRS328-4C-20S-4S+RM | 98DX3236A1 all port test | ||||||
| Mode | Configuration | 1518 byte | 512 byte | 64 byte | |||
| kpps | Mbps | kpps | Mbps | kpps | Mbps | ||
| Bridging | none (fast path) | 81.3 | 987.3 | 235 | 962.6 | 296 | 151.6 |
| Bridging | 25 bridge filter rules | 81.3 | 987.3 | 90.7 | 371.5 | 90.9 | 46.5 |
| Routing | none (fast path) | 81.3 | 987.3 | 235 | 962.6 | 261.9 | 134.1 |
| Routing | 25 simple queues | 81.3 | 987.3 | 112.6 | 461.2 | 111.5 | 57.1 |
| Routing | 25 ip filter rules | 59.8 | 726.2 | 61.4 | 251.5 | 59.5 | 30.5 |
- CPU
- 98DX3236
- Product code
- CRS328-4C-20S-4S+RM
- Architecture
- ARM 32bit
- CPU core count
- 1
- CPU nominal frequency
- 800 MHz
- Dimensions
- 443 x 200 x 44 mm
- License level
- 5
- Operating System
- RouterOS / SwitchOS
- Size of RAM
- 512 MB
- Storage size
- 16 MB
- Storage type
- FLASH
- Tested ambient temperature
- -20 + 60 degrees C
- Max Power consumption
- 43
- Number of AC inputs
- 2
- AC input range
- 100-240
- Ethernet Combo ports
- 4
- SFP ports
- 20
- SFP+ ports
- 4
- Serial port
- RJ45
- CPU temperature monitor
- Yes
- Voltage Monitor
- Yes
- Max power consumption without attachments
- 43W
