Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco SFP-GE-S (MPN: SFP-GE-S) is a 1000BASE-SX Small Form-Factor Pluggable (SFP) transceiver designed for Gigabit Ethernet applications over multimode fiber (MMF). This industry-standard optic module delivers reliable, high-speed connectivity for enterprise switches, routers, and other Cisco-compatible networking equipment. Ideal for data center, campus, and enterprise LAN environments where dependable fiber connectivity is essential.
Technical Specifications
Manufacturer / Vendor
Cisco
Interface
1000BASE-SX Gigabit Ethernet
Fiber Type
Multimode Fiber (MMF)
Form Factor
SFP (Small Form-Factor Pluggable)
Ideal Use Cases
High-Speed Inter-Device Links
Optical uplinks between switches, routers, and servers at distance beyond copper.
Data Center Backbone
High-density optical backbone connectivity.
What's Included
✔ Cisco SFP-GE-S Refurbished Optical Transceiver (1x)
✔ Protective dust caps installed
✔ WhaleyComm ISO 9001-certified inspection certificate
✔ WhaleyComm Lifetime Warranty
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. No time limits, no expiration, no hidden conditions. Backed by 25 years and 5,000+ satisfied customers.