Cisco QSFP-100G-LR4-S — Genuine Cisco 100G QSFP28 Transceiver with 10-Year Warranty

Save significantly over new list price with this Cisco Original (NOT third-party) QSFP-100G-LR4-S transceiver module. Professionally refurbished and rigorously tested on Cisco QSFP-100G ports, this 100GBASE-LR4 QSFP28 optic delivers enterprise-grade 100 Gigabit Ethernet connectivity you can trust — backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: QSFP-100G-LR4-S (Cisco Original with Hologram)
• Form Factor: QSFP28 — hot-swappable plug-in module
• Data Rate: 100Gbps (4x 25Gbps LAN-WDM lanes)
• Wavelength: 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm
• Connector: Duplex LC/UPC
• Fiber Type: Single-Mode Fiber (SMF, ITU-T G.652)
• Max Distance: 10km (6.2 miles)
• Standards: IEEE 802.3bm 100GBASE-LR4, SFF-8665, SFF-8636
• Power Consumption: ≤3.5W
• Operating Temperature: 0°C to 70°C (commercial)
• DOM: Digital Optical Monitoring supported

Platform Compatibility

Fully compatible with Cisco Nexus, Catalyst, and ASR series switches and routers equipped with QSFP28 100G ports. Interoperable with other IEEE-compliant 100GBASE-LR4 interfaces.

Ideal Use Cases

• Data center core and spine-leaf interconnects
• Enterprise campus backbone links
• Service provider aggregation and metro networks
• High-performance computing (HPC) cluster fabrics

Free shipping on orders over $300. Every refurbished transceiver from Reef Telecom is backed by our 10-year warranty — the longest in the industry. Buy with confidence.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.