QSFP56 to 2x QSFP56 Active Breakout DAC Cable

Volex’s QSFP56 active breakout Direct Attach Copper cables feature 4 transmitting and 4 receiving 50Gbps PAM-4 channels and support 200Gbps (QSFP56) to 2x 100Gbps (2x QSFP56) breakout configurations. The cable assemblies meet 50G and 100G Ethernet standards. These active breakout DAC’s enhance Signal Integrity, which is severely stressed under high-speed data transmission, through advanced linear equalization. The result is longer reach up to 9M vs max 3M for the passive version and smallest cable size and highest flexibility.

Next-gen data centres need high performance cables that reduce power consumption, provide reliable operation and are low cost. Volex’s QSFP56 active breakout DAC’s are a cost-effective alternative to the high-power consumption Active Optical Cable with superior reliability for deployment at faster speed in a tighter space.

QSFP56 to 2x QSFP56 Active Breakout DAC Cable Product Highlights

  • Low power consumption and heat dissipation
  • Complete cable assembly uniquely terminated at the factory to provide the most reliable operation
  • 100% tested for signal integrity with serial number traceability

QSFP56 to 2x QSFP56 Active Breakout DAC Cable Features and Specifications

Product Type 200Gbps (QSFP56) to 2x 100Gbps (QSFP56) active breakout direct attach copper cable
Conductor Treatment Laser stripped conductors
Cable Type High-speed twinax cable, 2x 4-pair differential, 100 +/-5 ohms
Cable Colour Black
Cable Jacket PVC
Packaging PE bag
Power Supply Voltage 3.3V
Power Consumption <150mW per active channel
Temperature Range 0 – 70o C
Retention Force Meets MSA Specifications
Insertion Force Meets MSA Specifications
EEPROM Each connector module contains an EEPROM to provide product information to the host system
Cable Termination 100% factory tested including comprehensive signal integrity verification and serial number traceability using advanced Manufacturing Execution Systems
Volex reserves the right to change specifications and availability without prior notice.

QSFP56 to 2x QSFP56 Active Breakout DAC Cable Applications

  • Switches, Servers, Routers, Storage Arrays
  • Networking Equipment
  • Data Centres
  • Telecom Central Offices (CO)
  • Test and Measurement Equipment

Standards Compliance of QSFP56 to 2x QSFP56 Active Breakout DAC Cable

  • IEEE 802.3cd
  • SFF-8402, SFF-8432, SFF-8665, SFF-8661, SFF-8472, SFF-8636, SFF-8679
  • EIA-364
  • UL 94, 1581, VW1, File No. E510564
  • RoHS

QSFP56 to 2x QSFP56 Active Breakout DAC Cable Mechanical Drawings

QSFP56 to 2x QSFP56 Active Breakout DAC Cable Product Dimensions

Volex P/N

Cable Length
Cable Gauge
Cable OD


4.00 30


D250PSG50BA 5.00 30



5.00 28



6.00 28 6.6
D258PSG70BA 7.00 28



7.00 26 7.5


8.00 26


D256PSG90BA 9.00 26


4-9m lengths available with 26-30 AWG conductor sizes to achieve maximum performance. Options Available:

  • Low Smoke, Zero Halogen (LSZH) jackets
  • Custom colours for pull tab
  • Custom EEPROM mapping

Contact Volex for QSFP56 to 2x QSFP56 Active Breakout DAC Cable

Contact Volex for further assistance with external QSFP56 to 2x QSFP56 active breakout direct attach copper cables.