400gbase-sr8 400g qsfp-dd to qsfp-dd twinax copper dac cable (direct attached cable)

400gbase-sr8 400g qsfp-dd to qsfp-dd twinax copper dac cable (direct attached cable)

Certified Quality

Our quality policy is maintained throughout our business in accordance with our commitment to customer and regulatory requirements.

400G QSFP56-DD PCC (Passive Copper Cable), also known as Direct Attach Copper (DAC) cable or Twinax cable, provides robust connections for 400G Ethernet (2x 200GE) and InfiniBand systems. Each cable consists of eight lanes each operating at data rates of up to 50Gb/s (PAM4). The passive copper cables require no additional power to ensure quality connectivity. The cables are compliant with QSFP-DD MSA standard specifications and provide connectivity between devices using QSFP-DD (QSFP56-DD) ports. 


  • 8-channel full-duplex passive copper cable
  • QSFP-DD MSA-compliant connectors
  • SFF-8636 compliant I2C management interface
  • IEEE 802.3cd 400GBASE-CR8 compliant
  • InfiniBand HDR compliant
  • Data rate up to 400Gbps (8x 50Gbps)
  • Excellent signal integrity, low insertion loss and low crosstalk
  • Operating case temperature range: 0°C to +70°C
  • Single 3.3V supply voltage
  • RoHS compliant


  • Data com Network
  • 400 Gigabit Ethernet
  • Data Centre
  • InfiniBand HDR
  • Servers, switches, storage

Connector - AQSFP-DD
Connector - BQSFP-DD
Cable Assembly TypePassive Twinax Copper Cable
Cable TypeInfiniBand HDR, 400GBASE-CR8
Jacket MaterialPVC (OFNR)
Commercial Temperature Range0 to 70°C (32 to 158°F)
TX/RX30 AWG (Up to 3 Meter) 26 AWG (Up to 10 Meter)
Max Data Rate400Gbps

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JT-QSFPDD-400G-DAC-XX.pdf174.94KB Download

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  • Product Code: JT-QSFPDD-400G-DAC-XX
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JT-QSFPDD-400G-DAC-XX.pdf174.94KB Download

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