Description
The Cisco SX350X-12-K9-EU is a compact 10G switch for server rooms, storage networks and high-speed aggregation. It has 12 × 10GBase-T copper ports, and 2 of them are combo ports with SFP+ slots for fiber. That gives you 10G to servers, NAS and other switches over standard copper cabling. It handles up to 240 Gbps of switching capacity at full speed on every port. You can stack up to 4 units and manage them as one switch.
Key features
- 12 × 10GBase-T ports, including 2 combo 10G copper/SFP+ ports
- Dedicated 1G out-of-band management port
- 240 Gbps switching capacity, 178.56 Mpps forwarding rate
- Stack up to 4 units and manage them as one switch
- Layer 3 static routing between VLANs
- Web UI, CLI and SNMP management
- Jumbo frames up to 9,000 bytes for storage and virtualization traffic
| Spec | Value |
|---|---|
| Part number | SX350X-12-K9-EU |
| Ports | 12 × 10GBase-T (100M/1G/10G) |
| Combo ports | 2 × 10GBase-T / SFP+ (shared) |
| Management port | 1 × 1G out-of-band |
| Switching capacity | 240 Gbps |
| Forwarding rate | 178.56 Mpps (64-byte packets) |
| MAC address table | 32K |
| Packet buffer | 3 MB |
| VLANs | 4,094 active (voice VLAN, private VLAN) |
| Routing | Layer 3 static routing |
| Stacking | Up to 4 units |
| Jumbo frames | Up to 9,000 bytes |
| PoE | No |
| Power consumption | ~64 W (worst case) |
| Power supply | Internal, 100–240 V AC |
| Form factor | 1U rack-mount |
| Dimensions | 440 × 44 × 203 mm |
| Weight | 2.93 kg |
Ideal for: server rooms, storage and NAS connections, virtualization hosts and 10G aggregation.









