| Width | 18.4 Mm |
| Depth | 72.4 Mm |
| Height | 13.5 Mm |
Cisco 100GBASE CWDM4 LITE QSFP Transceiver, 2KM, 100Gbps

Key Benefits
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- Delivers ultra-fast 100Gbps speeds for bandwidth-intensive networking environments.
- Supports extensive 2KM range over single-mode fiber, ideal for mid-range data center interconnects.
- Form factor and TAA compliance ensure compatibility and suitability for secure IT deployments.
Product Overview
The Cisco 100GBASE CWDM4 LITE QSFP Transceiver, model QSFP-100G-SM-SR=, enables 100Gbps Ethernet connectivity across up to 2 kilometers via single-mode fiber (SMF). Operating within the 1276.1–1331 nm wavelength range, it is housed in a space-efficient QSFP form factor, combining performance with compact design. The module supports a wide temperature range (10–60°C) and meets TAA compliance, making it well-suited for secure government and enterprise networks. With production across multiple countries, it offers sourcing flexibility while delivering robust performance for demanding networking environments.
Specifications
Dimensions&Miscellaneous
Service&Support
| Service & Support Type | Standard warranty: 5 years |
UNSPSC Code
| UNSPSC Code | 43222608 |
Primary Information
| Features | Hot-swappable input/output device that plugs into a 100G Gigabit Ethernet Cisco QSFP port. |
| Form Factor | QSFP |
| Device Type | Transceiver |
| Cabling Type | SMF |
| Data Transfer Rate | 100 Gbps |
| Connectivity Technology | Wired |
| Wave Length | 1271nm, 1291nm, 1311nm, 1331nm |
| Max Transfer Distance | 2 Km |
| Interfaces | Duplex LC connectors |
Special Feature
| COO | CHINA / MALAYSIA / TAIWAN / UNITED STATES |
| TAA compliance | Yes |
Networking
| Data Link Protocol | Gigabit Ethernet |
| Networking Compliant Standards | IEEE 802.3bm |