WhaleyComm SFP-25G-SR-S-WC 25G SFP28 Short Range Optical 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.

WhaleyComm SFP-25G-SR-S-WC 25G SFP28 Short Reach Optical Transceiver
Tested to factory specification. Backed by 25 years of enterprise trust.
The WhaleyComm SFP-25G-SR-S-WC is a high-performance 25 Gigabit SFP28 short-range optical transceiver engineered for modern data center and enterprise networking environments. Designed to deliver reliable, low-latency 25GbE connectivity over multimode fiber (MMF), this module is fully compatible with industry-standard 25G SFP28 switch ports and network interface cards.
Every unit is tested to factory specifications before shipment, ensuring plug-and-play reliability and optimal performance in your network infrastructure. As a WhaleyComm brand product, you get enterprise-grade optics at a fraction of OEM pricing — backed by our unmatched lifetime warranty.
Product Specifications
- MPN: SFP-25G-SR-S-WC
- Vendor / Brand: WhaleyComm (Wci)
- Product Type: Optical Transceiver (Optics)
- Form Factor: SFP28
- Data Rate: 25 Gbps
- Wavelength: 850nm
- Fiber Type: Multimode Fiber (MMF)
- Reach: Up to 100m (OM4) / 70m (OM3)
- Connector: LC Duplex
- Condition: New Open Box (New)
- Compatibility: Compatible with Cisco, Juniper, Arista, Dell, and other major vendor platforms supporting 25G SFP28 interfaces
Why Choose WhaleyComm Optics?
- ✅ Factory-Tested: Every transceiver is rigorously tested to meet or exceed OEM specifications before leaving our facility.
- ✅ Plug-and-Play Compatible: Drop-in replacement for major OEM optics with no configuration required.
- ✅ Cost-Effective: Enterprise-grade performance at a significantly lower cost than branded OEM alternatives.
- ✅ Trusted by Enterprise: 25 years in the industry, serving 5,000+ customers worldwide.
- ✅ New Open Box: Unused, new product in opened packaging — same quality as sealed retail units.
Lifetime Warranty — No Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point — whether that's 1 year or 25 years from now — we replace it. No time limits. No questions asked. That's the WhaleyComm promise, built on 25 years of enterprise trust and 5,000+ satisfied customers.
Shipping & Returns
- 🚚 Shipping: Orders ship within 1–2 business days.
- 🔄 Returns: Contact our support team for DOA (Dead on Arrival) or warranty replacement issues. We make it easy.
WhaleyComm — Reliable Networking. Lifetime Accountability.