QSFP+ Passive DAC Cable

Volex’s QSFP+ passive direct attach copper cable is a cost-effective alternative to optical modules for short reach high-speed interconnects. The cable assembly consists of four lanes operating at data rates up to 14.0625Gb/s. Each assembly meets 40G Ethernet and InfiniBand Fourteen Data Rate (FDR) specifications, providing greater port bandwidth and density at reduced cost for high-speed networks.

Volex’s QSFP+ 40G/FDR cable assembly combines twinaxial shielded cable with robust die cast housing and actuating pull latch. The overmould technique used in fabrication for these cables provides additional strain relief and minimizes conductor pistoning. This cable assembly product is designed to meet the stringent data centre requirements with unparalleled performance and durability.

QSFP+ Passive DAC Cable Image

QSFP+ 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

SFP+ Passive DAC Cable Features and Specifications

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

QSFP+ Passive DAC Cable Features and Specifications

Product Type QSFP+ to QSFP+ passive copper Direct Attach Cable
Conductor Treatment Laser stripped conductors
Cable Type High speed twinax cable, 8-pair differential, 100 +/-5 ohms
Cable Colour Black
Cable Jacket PVC
Packaging PE bag
Power Supply Voltage 3.3 V
Temperature Range 0 – 70o C
Retention Force Minimum 125N per SFF-8661
Insertion Force Maximum 60N per SFF-8661
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+ 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+ Passive DAC Cable

  • IEEE P802.3ba
  • InfiniBand FDR
  • SFF-8685, SFF-8661, SFF-8679, SFF-8636
  • EIA-364
  • UL 94, 1581, VW1, File No. E510564
  • RoHS

QSFP+ Passive DAC Cable Mechanical Drawings

QSFP+ Passive DAC Cable Product Dimensions

Volex P/N Cable Length
(m)
Cable Gauge (AWG) Cable OD
(mm)
DA30PSG05BL 0.50 30 6.6
DA30PSG10BL 1.00 30 6.6
DA30PSG15BL 1.50 30 6.6
DA30PSG20BL 2.00 30 6.6
DA30PSG25BL 2.50 30 6.6
DA30PSG30BL 3.00 30 6.6
DA30PSG35BL 3.50 30 6.6
DA38PSG40BL 4.00 28 7.5
DA38PSG45BL 4.50 28 7.5
DA36PSG50BL 5.00 26 8.8

0.5-5m lengths available with 26-30 AWG conductor sizes to achieve maximum performance. Options Available:

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

Contact Volex for QSFP+ Passive DAC Cable

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