Short Description:

Item: 40G QSFP+ to QSFP+ Passive Direct Attach Cables
Cable length: 1m, 3m, 5m or custom
Compatible:  Cisco, Juniper Networks, Arista Networks, Brocade, HP, Dell, Extreme Networks, H3C, Huawei, or custom.
Model: Commericial grade: 0 to 70 degree; Industry grade: -40 to +85 degree.

  • Brand Name: Rollball
  • Min.Order Quantity: 1 Piece
  • Place of Origin: Shenzhen, China
  • Payment Terms: Paypal, Western Union, T/T
  • Certification: FCC, CE, RoHS


40G QSFP+ to QSFP+ Passive Direct Attach Cables



Product Description 

  • The QSFP+ passive cable assemblies are high performance,cost effective I/O solutions for 40G LAN, HPC and SAN applications. The QSFP+ passive copper cables are compliant with SFF-8436, QSFP+ MSA and IEEE P802.3ba 40GBASE-CR4. It is offer a low power consumption,short reach intercon- nect applications. The cable each lane is capable of transmitting data at rates up to 10Gb/s, providing an aggregated rate of 40Gb/s.



  • QSFP+ conforms to the Small Form Factor SFF-8436
  • 4-Channel Full-Duplex Passive Copper Cable Transceiver
  • Support for multi-gigabit data rates :1.0 Gbps – 10.3125 Gbps (per channel)
  • Maximum aggregate data rate: 41.25 Gps (4 x 10.3125Gbit/s)
  • Copper link length up to 5m (passive limiting)
  • High-Density QSFP 38-PIN Connector
  • Power Supply :+3.3V
  • Low power consumption: 0.02 W (typ.)
  • I2C based two-wire serial interface for EEPROM signature which can be customized
  • Operating case temperature:

            Standard : 0 to +70°C(default)

            Industrial : -40 to +85°C

  • RoHS Compatible 



  • 10G/40Gigabit Ethernet
  • InfiniBand 4XSDR, DDR, QDR
  • Switches, Routers, and HBAs
  • Data Centers
  • 2, 4, 8, 10 Gigabit Fibre Channel


Standards Compliance

  • IEEE 802.3ba
  • SFF-8436
  • QDR InfiniBand


Ordering information

Part Number Product Description
RB-PC400-01C 4 x 10Gbps QSFP+ Direct Attach Cables, 1m (30AWG),0ºC ~ +70ºC
RB-PC400-03C 4 x 10Gbps QSFP+ Direct Attach Cables, 3m (30AWG),0ºC ~ +70ºC
RB-PC400-05C 4 x 10Gbps QSFP+ Direct Attach Cables, 5m (28AWG),0ºC ~ +70ºC