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 Arista SFP-1G-SX is a high-performance 1000BASE-SX SFP transceiver designed for Gigabit Ethernet applications over multimode fiber. Engineered to meet or exceed Arista's stringent factory specifications, this module delivers reliable, low-latency connectivity in enterprise data centers, campus networks, and high-density switching environments. Whether you're expanding your Arista network infrastructure or replacing aging optics, this SFP module provides seamless plug-and-play compatibility.
Technical Specifications
Standard
1000BASE-SX (IEEE 802.3z)
Data Rate
1 Gbps (Gigabit Ethernet)
Fiber Type
Multimode Fiber (MMF)
Typical Reach
Up to 550m on 50/125µm MMF; up to 275m on 62.5/125µm 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
✔ Arista SFP-1G-SX New 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.