Arista SFP-1G-SX 1000BASE-SX SFP Transceiver Module
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.

Arista SFP-1G-SX 1000BASE-SX SFP Transceiver Module
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.
Product Details
- MPN: SFP-1G-SX
- Vendor / Brand: Arista
- Product Type: Optics / SFP Transceiver
- Standard: 1000BASE-SX (IEEE 802.3z)
- Data Rate: 1 Gbps (Gigabit Ethernet)
- Fiber Type: Multimode Fiber (MMF)
- Wavelength: 850nm
- Typical Reach: Up to 550m on 50/125µm MMF; up to 275m on 62.5/125µm MMF
- Connector Type: LC Duplex
- Form Factor: SFP (Small Form-factor Pluggable)
- Condition: New
Why Choose WhaleyComm?
At WhaleyComm, every unit is thoroughly inspected and tested to factory specifications before it leaves our facility. With over 25 years of experience and more than 5,000 satisfied enterprise customers, we are a trusted source for networking hardware you can depend on.
Compatibility
The Arista SFP-1G-SX is compatible with a wide range of Arista switches and routers that support standard SFP 1G slots, including the Arista 7000 series and other SFP-capable platforms. Always verify compatibility with your specific hardware configuration before purchasing.
Lifetime Warranty
No Time Limits. No Questions Asked. Every WhaleyComm unit ships with a Lifetime Warranty. If your unit fails under normal operating conditions at any point — whether that's next year or in a decade — we replace it. Period. That's the WhaleyComm guarantee, backed by 25 years of enterprise trust.
Shipping & Returns
- Shipping: Orders ship within 1–2 business days from our warehouse.
- Returns: Contact our support team for any DOA (Dead on Arrival) or warranty-related issues. We make it easy.
Looking for bulk pricing or have questions about compatibility? Contact the WhaleyComm team — we're here to help you build a reliable network.