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Cisco QSFP-40GE-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver

Cisco QSFP-40GE-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver

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Cutoff Ground / 3 day / 2 day - 2pm PT, Cutoff Overnight - 5pm PT. Overnight orders after 4pm PT require approval. Call 800-430-6950 to confirm overnight orders after 4pm PT.
Condition: Seller refurbished
Pre-owned, tested by qualified techs, working, reset-to-factory default, grade A condition, and parts needed for normal functions are included (as described in the listing).
Warranty: 365 days
Warranty coverage period
SKU: NSH-5559
UPC: 779184485209


The Cisco QSFP-40GE-LR4 is a 40GB BASE-LR4 transceiver designed for high-speed data transmission. It operates at a wavelength of 1310 nm and uses single-mode fiber (SMF) cables with LC connectors.

With speed of up to 40 Gbps, this transceiver can handle large amounts of data efficiently within network environments. The use of SMF ensures longer cable distances, allowing connections over distances up to 10 km.

Cisco QSFP-40GE-LR4: 40GBASE-LR4, 1310 nm, SMF, LC connector.


  • Form Factor : QSFP Transceiver
  • Speed : 40 Gbps
  • Wavelength : 1310 nm
  • Cable Type : SMF
  • Connection Type : Duplex LC
  • Cable Distance : 10 km
  • Model Number : QSFP-40GE-LR4
  • Part Number : QSFP-40GE-LR4, QSFP-40GE-LR4=, QSFP-40GE-LR4-WS
  • Condition : Seller refurbished


  • One (1) Seller Refurbished Cisco QSFP-40GE-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver as described above

Not Included

  • Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
    Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website