StarTech 1000BASE-SX SFP Fiber Transceiver Module - MM LC 550m
The StarTech.com 1000BASE-SX SFP transceiver (Cisco GLC-SX-MMD compatible) delivers reliable multimode gigabit connectivity for switches, routers and media converters. Designed for short-reach links up to 550 meters over multimode fiber with LC connectors, it provides plug-and-play simplicity for fast network upgrades and repairs.
- Cisco GLC-SX-MMD compatible: Ensures broad interoperability with Cisco and other SFP-equipped network devices for straightforward replacements and expansions.
- Gigabit performance: Supports 1000BASE-SX speeds for high-throughput links between switches, routers and servers.
- Multimode LC interface: Dual LC connector provides a compact, industry-standard fiber connection for easy integration.
- Short-reach reliability: Supports multimode fiber links up to 550 meters (1,804 ft) - ideal for data center aisles, closet-to-closet links and campus buildings.
- Hot-swappable SFP form factor: Enables fast, tool-free installation and upgrades with minimal network disruption.
- Vendor-friendly alternative: Cost-effective third-party module that matches the functionality of the Cisco GLC-SX-MMD
| Brand | StarTech.com |
| Compatible Model | Cisco GLC-SX-MMD |
| Standard | 1000BASE-SX |
| Form Factor | SFP (Small Form-factor Pluggable) |
| Fiber Type | Multimode (MM) |
| Connector | LC |
| Maximum Reach | 550 meters (1,804 ft) |
| Data Rate | 1 Gbps |
Orders are dispatched within 2–4 business days from the date of purchase.
Delivery times vary depending on your location. Estimated delivery timeframes are outlined below:
Metro: 2–7 business days
Regional: 2–10 business days
If you are unavailable at the time of delivery, re-delivery fees may apply.
We want you to be happy with your purchase. If you are not completely satisfied, please let us know.
Most products are covered by a 30-day change of mind return policy. If you wish to return an item within 30 days of purchase, please contact us for return approval. Once the item is received and inspected, we will arrange an appropriate resolution.
Please Note
Return postage is the responsibility of the customer
Items must be returned in original packaging with all accessories included
Webb Ventures is not responsible for items lost or damaged in transit; we recommend tracked or insured shipping
Fees may apply
Warranty Claims
Most products are covered by a 12-month manufacturer’s warranty for faults or defects. Some products may have a different warranty period — please refer to the product description for details. If you experience an issue with your order, contact us to lodge a warranty claim.



