NCS1K4-1.2T-L-K9 Overview
Cisco’s NCS1K4-1.2T-L-K9 is a top-tier 12x QSFP28 2 Trunk C-Band DWDM card that comes licensed and ready to deploy. Ideal for data centers and large-scale network environments, it ensures optimized data transmission and high performance. This product is best suited for IT professionals seeking reliable and scalable networking hardware for their high-capacity infrastructure.
NCS1K4-1.2T-L-K9 Product Highlights
- 12x QSFP28 ports
- 2 Trunk C-Band DWDM
- Licensed
- High capacity
- Data center optimized
Product Features Comparison
| Feature | Cisco NCS1K4-1.2T-L-K9 | Cisco NCS2006-304 | Cisco NCS1002 | Cisco NCS5501 | Cisco NCS1004 | Cisco NCS5001 | Cisco NCS540 |
|---|---|---|---|---|---|---|---|
| Ports | 12x QSFP28 | 4x QSFP28 | 36x QSFP28 | 24x 100GE | 4x 100G | 1x 100GE + 8x10GE | 24x 10GE |
| Trunks | 2 Trunk | Single Trunk | Multi-Trunk | Dual Trunk | Multi-Trunk | Single Trunk | Dual Trunk |
| DWDM Compatibility | C-Band | Supports | Supports | No | Yes | Yes | Supports |
| Licensed | Yes | No | Yes | No | Yes | No | Yes |
| Capacity | 1.2Tbps | 1Tbps | 3.6Tbps | 2.4Tbps | 4.8Tbps | 0.8Tbps | 2.4Tbps |
| Data Center Optimized | Yes | No | Yes | Yes | Yes | No | Yes |
NCS1K4-1.2T-L-K9 Product Application Scenarios
- High-capacity data centers
- Enterprise network backbones
- Service provider infrastructure
Optional Add-ons
| Model | Description |
|---|---|
| Cisco QSFP-100G-SR4-S | 100G QSFP Transceiver Module |
| Cisco DWDM-SFP10G-40.59 | 10GBase-DWDM SFP+ |
| Cisco NCS1K4-FAN | Spare cooling fan |


























