Active QSFP+ to 4 SFP+ Breakout Cable 3~10 meters

Active DAC design has a signal amplification and a class 4x 10G Clock and Data Recovery(CDR) or Equalizer technology to support longer distances than passive QSFP+ DAC cable. 

QSFP+ 40Gb/s QDR DAC Cable Passive 0.5~5 meter

QSFP+ DAC based on IEEE 802.3ba and compliant MSA SFF-8436, application in 40G Ethernet, infiniband QDR and Omni-path, suitable for very short distances transmission and offer a highly cost-effective solution to establish a 40-Gigabit link between QSFP+ ports and QSFP+ switches within racks and across adjacent racks.

QSFP+ DAC Twin Axial Nylon Braided Flat Cable, 0.5~3 meter, Passive

F-tone Networks adopts 3M's twin axial cable technology to offer the flexible design which satisfies customers looking for high-quality. The core cable technology allows cable assemblies to provide system designers an extensive selection of interconnect system that enables flexible speed compatibility for applications up to 100Gbps. 

Active QSFP+ DAC, Active Copper with CDR, 40Gb/s QDR,5~10 meters

Active DAC design has a signal amplification and a class 4x 10G Clock and Data Recovery(CDR) or Equalizer technology to support longer distances than passive DAC cable.

QSFP+ to 4 SFP+ Breakout Cable Passive 0.5~5 meter

QSFP+ to 4x SFP+ breakout copper DAC cable, it's an application for the link with 40Gb/s rate switch to 4 upstream 10Gb/s device. bridge the gap between your 10G and 40G capable switches/host adapters. 

QSFP+ DAC Twin Axial Nylon Braided Flat Cable, 0.5-meter, Passive

F-tone Networks adopts 3M's twin axial cable technology to offer the flexible design which satisfies customers looking for high-quality. The core cable technology allows cable assemblies to provide system designers an extensive selection of interconnect system that enables flexible speed compatibility for applications up to 100Gbps.