Cisco MGBSX1-RF Gigabit SX Mini-GBIC SFP | Multimode, 850 nm — MGBSX1-RF

Maintain dependable Gigabit Ethernet connectivity with the Cisco MGBSX1-RF Mini-GBIC SFP. This Cisco certified refurbished SX transceiver is designed for multimode fiber environments where short-reach optical links are preferred for switch uplinks, server room interconnects, and campus access layers. The LC connector and hot-swappable SFP design make it straightforward to install or replace during maintenance windows, while the compact footprint supports dense switch environments. For teams standardizing on Cisco optics, this module offers a practical way to keep spare inventory aligned with production hardware without paying for unnecessary reach or features. Because it is a refurbished Cisco unit, it can help procurement teams preserve budget for higher-value infrastructure work while still keeping compatibility expectations clear. When the network only needs SX multimode performance, this module delivers the right fit for short-distance Gigabit links in Cisco-based environments. Ideal For Add Gigabit uplinks between access switches and aggregation switches Replace failed SX optics in Cisco switch stacks Support short-reach fiber runs in server rooms and wiring closets Stock standardized spare transceivers for Cisco network operations Why This Product 1 Gigabit SX multimode reach versus long-haul single-mode optics 2 Mini-GBIC compactness versus larger transceiver formats 3 Cisco certified refurbished pricing versus new OEM modules 4 LC-based short-reach design versus copper uplink alternatives