Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver
Brand: Cisco | Category: Transceivers & Cables
SKU: CSC-QSFP-100G-CWDM4-S | Part #: QSFP-100G-CWDM4-S | MPN: QSFP-100G-CWDM4-S
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About the Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver
The Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver from Cisco is enterprise-grade Transceivers & Cables hardware built for data centers. It features 100GbE interface. The Cisco QSFP-100G-CWDM4-S is a 100 Gigabit Ethernet QSFP28 form-factor optical transceiver designed for high-density data center and enterprise core interconnects. It employs Coarse Wavelength Division Multiplexing (CWDM4) technology, transmitting four 25 Gbps lanes across two single-mode fiber strands using four distinct wavelengths (1271 nm, 1291 nm, 1311 nm, and 1331 nm), aggregating to a full 100 Gbps duplex link. The module supports reaches up to 2 km over OS2 single-m Available in brand new condition. Cisco transceivers & cables products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Cisco |
| Category | Transceivers & Cables |
| SKU | CSC-QSFP-100G-CWDM4-S |
| Part Number | QSFP-100G-CWDM4-S |
| Condition | New |
| Interface | 100GbE |
| Manufacturer Part Number | QSFP-100G-CWDM4-S |
| Form Factor | QSFP28 |
| Data Rate | 100 Gbps |
| Ethernet Standard | 100GBASE-CWDM4 |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | LC Duplex |
| Maximum Reach | 2 km |
| Number of Lanes | 4 x 25 Gbps |
| Wavelengths | 1271 nm, 1291 nm, 1311 nm, 1331 nm |
| Multiplexing Technology | CWDM4 (Coarse Wavelength Division Multiplexing) |
| Cable Standard | OS2 Single-Mode Fiber |
| Digital Optical Monitoring (DOM) | Yes |
| Compliance Standards | IEEE 802.3bm 100GBASE-CWDM4, CWDM4 MSA |
| Firmware Integrity Check | Cisco IOS / NX-OS digitally signed — passes integrity validation |
| Compatible Platforms | Cisco Nexus, Cisco Catalyst, Cisco ASR series (QSFP28-capable line cards and modules) |
| Operating Case Temperature | 0°C to 70°C |
| Encoding | 64B/66B per lane |
Frequently Asked Questions about Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver
What does the Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver do?
The Cisco QSFP-100G-CWDM4-S Cisco SFP/SFP+/QSFP/XFP transceiver is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.