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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.
| Forwarding rate | 95.2 Mpps | Jumbo frames | 10218 |
| Jumbo frames support | Yes | MAC address table | 16000 entries |
| Switching capacity | 128 Gbit/s | ||
| Form factor | 1U | LED indicators | Yes |
| Product colour | White | Rack mounting | Yes |
| Country of Origin | Taiwan | EU ECCN Code | N/A |
| Tariff No. | 8517620000 | UNSPSC Code | 43222612 |
| US ECCN Code | 5A992 | ||
| Switch layer | L2/L3 | Switch type | Managed |
| 10G support | Yes | Broadcast storm control | Yes |
| Link aggregation | Yes | Networking standards | IEEE 802.1Q, IEEE 802.3ad |
| Port mirroring | Yes | VLAN support | Yes |
| Operating temperature (T-T) | -20 - 60 °C | Depth Verified | 31.4 cm |
| Gross Weight Verified | 2.594 kg | Height Verified | 6.6 cm |
| Width Verified | 49.4 cm | ||
| Cables included | AC | Rack mount kit | Yes |
| Built-in processor | Yes | Flash memory | 16 MB |
| Internal memory | 512 MB | Processor frequency | 800 MHz |
| Combo SFP ports quantity | 4 | Console port | RJ-45 |
| Installed SFP modules | 20 | Installed SFP+ modules | 4 |
| SFP module slots | 20 | SFP+ module slots | 4 |
| AC input voltage | 100 - 240 V | Power supply units | 1 |
| Power consumption (max) | 43 W | Power supply included | Yes |
| Power over Ethernet (PoE) | No | ||
| Net Weight (Product, kg) | 2.1 kg | Product Depth | 20 cm |
| Product Height | 4.4 cm | Product Width | 44.3 cm |
| Access Control List (ACL) | Yes | IGMP snooping | Yes |
| Brand Name | MikroTik | Warranty | 15 Month(s) |
| Main category | Network | Subcategory | Wired Network |
| Subcategory | Network Switches | Subcategory | Network Switches |
| Description | Downloads |
|---|---|
| MikroTik Fiber Switch 20xSFP 4xSFP+ 4xCombo Dual Boot Rackmount | CRS328-4C-20S-4S+RM DataSheet | Download |
| MikroTik Fiber Switch 20xSFP 4xSFP+ 4xCombo Dual Boot Rackmount | CRS328-4C-20S-4S+RM User Manual | Download |
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