NEW Direct Attach Copper (DAC) Cable – Rapide II™ 40G QSFP+ to 4xSFP+ Breakout Passive Twinax Cable

  • IEE802.3ba 40GBase-CR4
  • Excellent signal integrity, low insertion loss, and low crosstalk
  • Reach for 14GB/s (NRZ) per channel passive interconnection
  • Custom lengths in 0.25m increments & quantity discounts available
  • Corporate colors and Custom lengths with lead time as short as 3+ weeks
  • Please contact us for a quote
  • Please see drawing for Part Numbers
SKU: R2-Q-4-AXX-LLL Category:


Bestronics proudly offers our NEW Rapide II™  DAC 40G QSFP+ to 4xSFP+ Breakout cable with processing and manufacturing innovation:

  • Processing: low-temperature soldering and termination
  • Minimize the insulation shrinking & damage risks
  • Unified processing for multiple product lines
  • Improve the FPY up to 20% comparing to industry technology leaders
  • Design Innovation:  Dual Drain + Shared PCB for 10-25-56G
    • Guarantees balanced signal thru discontinuities
    • Foaming technology for reduced loss & Dk
    • Proven maturity and consistency
    • Enhanced grounding to min the EMI risks
  • In-line testing & validation
  • X16 channel high-speed auto testers
  • 2x faster than others in the market
  • X8 channel EEPROM/MCU programmer
  • around 4x faster than others in the market

We offer custom lengths and custom colors with short lead time at 3+ weeks to help customers in fast turn around solution.

All of our DAC cables are individually tested, and meet or exceed industry standards to ensure high performance, cost-effectiveness, consistency, and quality assemblies for today’s direct attach equipment connections.

Please contact us for a quote.