Cisco QSFP-40G-SR-BD 40GBASE-SR Bi-Directional QSFP Module for Duplex MMF
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.
Cisco QSFP-40G-SR-BD – 40GBASE-SR Bi-Directional QSFP Module for Duplex MMF
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco QSFP-40G-SR-BD is a high-performance 40GBASE-SR Bi-Directional QSFP transceiver module engineered for use with Duplex Multimode Fiber (MMF). Leveraging bidirectional (BiDi) technology, this module delivers full 40G throughput over standard duplex OM3/OM4 fiber infrastructure — eliminating the need for parallel fiber cabling and reducing deployment costs significantly.
This unit is professionally refurbished and has been rigorously tested to original factory specifications by WhaleyComm's certified technicians. Each module undergoes full functional verification before shipment, ensuring enterprise-grade reliability at a fraction of the cost of new.
Product Details
- MPN: QSFP-40G-SR-BD
- Vendor: Cisco
- Product Type: Optics / QSFP Transceiver
- Condition: Refurbished – Tested to Factory Specification
- Data Rate: 40 Gbps
- Fiber Type: Duplex Multimode Fiber (MMF)
- Technology: Bi-Directional (BiDi) SR
- Form Factor: QSFP
- Compatible With: Cisco Catalyst, Nexus, and other QSFP-enabled platforms
Why Choose WhaleyComm Refurbished?
Every WhaleyComm unit is sourced, inspected, and tested by experienced network hardware professionals. Our refurbishment process ensures each component meets or exceeds OEM performance standards. With 25 years of experience and over 5,000 satisfied customers, WhaleyComm is a trusted name in enterprise networking hardware.
Lifetime Warranty
No Time Limits. No Questions Asked. Every WhaleyComm unit ships with a Lifetime Warranty. If your module fails under normal operating conditions at any point — whether that's 1 year or 25 years from now — we replace it. Period.
Shipping & Returns
- Shipping: Orders ship within 1–2 business days.
- Returns: Contact our support team for any DOA (Dead on Arrival) or warranty-related issues. We make it right — fast.
Upgrade your 40G network infrastructure with confidence. The Cisco QSFP-40G-SR-BD from WhaleyComm delivers the performance you need, the reliability you expect, and the peace of mind that only a lifetime warranty can provide.
