QSFP-DD800 Passive DAC Cable

Volex’s QSFP-DD800 (Double Density) passive Direct Attach Copper cable features 8 transmitting and 8 receiving 100Gbps PAM4 channels for 800G operation. The cable assembly meets IEEE 802.3ck 400GBase-CR4, 200Gbase-CR2 and 100GBase-CR1 standards with substantial signal integrity margin providing high performance and bandwidth interconnect solutions for high-density applications.

As next-gen data centres deploy faster speed in a tighter space, they need high performance cables that reduce power consumption, provide reliable operation and are low cost. Volex’s QSFP-DD800 cable is designed to meet the next-gen data centre needs. With unique foam dielectric construction, Volex QSFP-DD800 cable offers smallest cable outer diameter and bend radius, and highest flexibility, while meeting or exceeding the MSA signal integrity specification.

QSFP-DD800 Passive DAC Cable Product Highlights

  • Near zero power consumption and no heat generated
  • Complete cable assembly uniquely terminated at the factory to provide the most reliable operation
  • 100% tested for signal integrity with serial number traceability

QSFP-DD800 Passive DAC Cable Features and Specifications


Product Type QSFP-DD800 to QSFP-DD800 passive direct attach copper cable
Conductor Treatment Laser stripped conductors
Cable Type High-speed twinax cable, 16-pair differential, 100 +/-5 ohms
Cable Colour Black
Cable Outer Layer Plastic braided mesh
Packaging PE bag
Power Supply Voltage 3.3V
Temperature Range 0 – 70o C
Retention Force Minimum 90N per MSA specification
Insertion Force Maximum 90N per MSA specification
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.

QSFP-DD800 Passive DAC Cable Applications

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

Standards Compliance of QSFP-DD800 Passive DAC Cable

  • IEEE P802.3ck
  • QSFP-DD/QSFP-DD800/QSFP112 Hardware Specification for QSFP Double Density 8x and QSFP 4x Pluggable Transceivers, Rev 6.01
  • EIA-364
  • UL 94, 1581, VW1, File No. E510564
  • RoHS

QSFP-DD800 Passive DAC Cable Mechanical Drawings

QSFP-DD800 Passive DAC Cable Drawing

QSFP-DD800 Passive DAC Cable Product Dimensions

Volex P/N Cable Length
Cable Gauge
Cable OD
DQ60BDG05BS 0.50 30 9.7
DQ68BDG10BS 1.00 28 10.6
DQ66BDG15BS 1.50 26 11.9
DQ66BDG20BS 2.00 26 11.9

0.5-2m 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 QSFP-DD800 Passive DAC Cable

Contact Volex for further assistance with external QSFP-DD800 passive direct attach copper cable.