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Home » NEWEST Products » New by Manufacturer » TE Connectivity » TE Connectivity QSFP Connectors & Cages
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QSFP Pluggable I/O Interface

Three times the density of SFP/SFP+ ports

The Quad Small Form-factor Pluggable (QSFP) interconnect system from TE Connectivity is a four-channel package, offering 3 times the density of traditional SFP ports and supports speeds up to 10Gb/s per channel (suitable for 8G Fiber Channel and 10G Ethernet). The system is ideal for high density, high speed applications in networking, storage, and supercomputing. The QSFP family includes cages, connectors, and copper and optical cable assemblies for a complete solution, developed within the QSFP MSA (Multi-Source Agreement).

Cages feature enhanced EMI springs that have been proven in the TE Connectivity SFP product to effectively contain EMI between both cage-to-bezel and cage-to-module interfaces. Cages are available with options for riding heat sinks (similar to XFP) and lightpipes. Ganged (multi-port) cages are available for additional density gains. All cages use press-fit technology for board termination, and can be used in belly-to-belly (double-sided) applications. An XFP-style gasket is also supported to maintain the cage opening behind the bezel. All QSFP cages will accept copper cables, optical cables, and transceiver modules.

The QSFP connector is a 38 position 0.8mm pitch surface mount connector, available in pocket tape for pick and place application. This connector is part of the TE Connectivity EVERCLEAR product family, which also includes connectors designed for Mini-SAS/SATA applications. It is designed for high speed signal integrity.

QSFP copper cable assemblies are a low cost option for short-reach applications. TE Connectivity is releasing both active and passive cable assemblies to support Fiber Channel, Infiniband, and Ethernet protocols. The backshells include a positive latching system and cables feature a pull-to-release tab.
Key Features
  • 4x solution provides 3 times the density of SFP/SFP+
  • Features TE Connectivity 38 position EVERCLEAR connector
  • Lightpipe and heat sink options available
  • Through-bezel and behind-bezel cage options with proven EMI containment
  • Direct attach copper cables for short reach applications
  • Quick release latching system
  • MPO cables plug into QSFP parallel optic transceiver modules
Product Number
1888631-3 Cage Assy Networking Hsink Thru Bezel
1888781-1 Cage Assy Behind Bezel
1888968-1 Cage Assy PCI Hsink Behind Bezel
1888631-2 Cage Assy SAN Hsink Thru Bezel
1761987-9 Receptacle Conn Assy 38Pos
1888968-2 Cage Assy SAN Hsink QSFP Behind Bezel
1888617-1 Cage Assy Through Bezel
1888674-1 Cage Assy Through Bezel
1888968-3 Cage Assy Behind Bezel w/ Networking Hsink
1888631-1 Cage Assy PCI Hsink Thru Bezel
SMT Compact Conn 38 Pos Female


  • Switches
  • Routers
  • Host bus adapters (HBA's)
  • Enterprise storage
  • High performance computing
  • High density, high speed I/O
  • Multiple channel interconnect

    Data Sheets

    QSFP Product Family Overview (Product Presentation.pdf)

    QSFP Data Sheet (Data Sheet.pdf)

    QSFP Quick Reference Guide (Quick Reference Guide.pdf)

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    • Connectors|Connector-I/O