'10 GBPS'}
Cisco SFP-10G-SR-S Refurbished Optics WhaleyComm
Cisco

Cisco SFP-10G-SR-S 10GBase-SR 850nm MMF SFP+ Transceiver Module - Refurbished

MPN: SFP-10G-SR-S
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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-10G-SR-S is a high-performance 10GBase-SR SFP+ transceiver module designed for short-reach multimode fiber (MMF) applications. Operating at an 850nm wavelength, this module delivers reliable 10 Gigabit Ethernet connectivity ideal for data center, enterprise core, and high-density switching environments. This unit is professionally refurbished and tested to original Cisco factory specifications — offering enterprise-grade performance at a fraction of the cost of new.

Product Details

  • MPN: SFP-10G-SR-S
  • Vendor / Brand: Cisco
  • Product Type: Optics / SFP+ Transceiver
  • Standard: 10GBase-SR
  • Wavelength: 850nm
  • Fiber Type: Multimode Fiber (MMF)
  • Form Factor: SFP+
  • Data Rate: 10 Gbps
  • Condition: Refurbished — Inspected, cleaned, and tested to factory specifications

Compatible Applications

  • 10 Gigabit Ethernet data center interconnects
  • High-density server and storage networking
  • Enterprise campus and core switching
  • Compatible with Cisco Catalyst, Nexus, and ASR platforms supporting SFP-10G-SR-S

Looking for more enterprise networking hardware? Browse the full WhaleyComm catalog for switches, routers, optics, and more — all backed by our industry-leading Lifetime Warranty.

Technical Specifications
{'Manufacturer Part Number'
'SFP-10G-SR-S', 'Brand': 'Cisco', 'Product Type': 'Optics / SFP+ Transceiver', 'Condition': 'Refurbished — Inspected, cleaned, and tested to factory specifications', 'MPN': 'SFP-10G-SR-S', 'Vendor / Brand': 'Cisco', 'Standard': '10GBase-SR', 'Wavelength': '850nm', 'Fiber Type': 'Multimode Fiber (MMF)', 'Form Factor': 'SFP+', 'Data Rate': '10 Gbps'}
Ideal Use Cases
Inter-Switch Links and Uplinks
Optical transceivers enable high-speed connections between switches, servers, and storage devices where copper is insufficient for the required distance or bandwidth.
Data Center Backbone
Ideal for backbone links between core, distribution, and access switches in data center and campus environments at significant savings versus OEM pricing.
What's Included
✔ Cisco SFP-10G-SR-S Refurbished Optical Transceiver (1x)
✔ Protective dust caps installed
✔ WhaleyComm ISO 9001-certified inspection and testing 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.
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Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
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Platform Compatibility

  • Cisco Switches: Catalyst 3750X, 3850, 4500, 6500, 6800, 9300, 9400, 9500 and Nexus 3000, 5000, 7000, 9000 Series with matching optical slots
  • Cisco Routers: ASR 1000, ISR 4000 Series with matching module slots
  • Fiber: Verify single-mode (SMF) or multimode (MMF) per transceiver model
  • Note: Verify compatibility with target IOS/NX-OS software release before deployment
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Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
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Shipping
Orders ship within 1-2 business days from our facility in Texas. Overnight and expedited shipping available at checkout.
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Returns
Contact our support team for any DOA or warranty issues. Every WhaleyComm unit is covered by a Lifetime Warranty — we make it right, fast.
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Contact
+1 214 607-4800 | Mon-Fri 8am-6pm CST
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Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
Refurbished means this Cisco SFP-10G-SR-S was previously deployed and has since been professionally inspected, cleaned, tested, and verified to meet original factory specifications by WhaleyComm's in-house engineers. It performs identically to a new unit at a significantly lower cost.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty — no time limits, no questions asked. If your Cisco SFP-10G-SR-S fails under normal operating conditions at any point, we replace it at no cost.
Every unit WhaleyComm ships undergoes an ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. Backed by 25 years of experience and 5,000+ enterprise customers.
Cisco SFP-10G-SR-S 10GBase-SR 850nm MMF SFP+ Transceiver Module - Refurbished
$9.00
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