Cisco QSFP-40G-SR-BD 40GBASE-SR BiDi QSFP+ Transceiver Module 40GbE MMF LC - Refurbished

Save significantly on the Cisco QSFP-40G-SR-BD 40GBASE-SR BiDi QSFP+ transceiver module — genuine Cisco, rigorously tested, and backed by Reef Telecom's industry-leading 10-year warranty. Upgrade your data center to 40G without replacing your existing 10G duplex LC multimode fiber cabling.

Key Specifications

• Part Number: QSFP-40G-SR-BD (Cisco P/N: 10-2945-02)
• Data Rate: 40Gbps (40GBASE-SR-BiDi)
• Form Factor: QSFP+ (Quad Small Form-Factor Pluggable)
• Connector: Duplex LC
• Fiber Type: Multimode Fiber (MMF)
• Wavelength: 832nm / 918nm (Bidirectional)
• Max Reach: 100m over OM3, 150m over OM4/OM5
• Operating Temperature: 0°C to 70°C (32°F to 158°F)
• Standards: IEEE 802.3ba, QSFP+ MSA (SFF-8436), RoHS
• Features: Hot-swappable, Digital Optical Monitoring (DOM)

Why Choose Refurbished from Reef Telecom?

• 10-Year Warranty — the longest in the industry for complete peace of mind
• Free Shipping on orders over $300
• Genuine Cisco — every module is authenticated and fully tested
• Massive Savings vs. new list price with no compromise on performance
• Eco-Friendly — extend hardware lifecycles and reduce e-waste

Compatibility & Use Cases

The Cisco QSFP-40G-SR-BD is ideal for 10G-to-40G migration in data centers, campus networks, and high-performance computing environments. It uses BiDi technology to deliver full 40Gbps over a single duplex LC MMF pair — reuse your existing fiber infrastructure and save on cabling costs. Compatible with Cisco Nexus 9000, 7000, 3000 series, Catalyst 9300/9500, and other QSFP+ platforms.