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QSFP+ 40Gb/s QDR DAC Cable Passive 0.5~5 meter

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QSFP+ 40Gb/s QDR DAC Cable Passive 0.5~5 meter

SKU: CAB-Q10/Q10-P SKU1: CAB-Q10/Q10-P

Availability: In stock

Volume Price: Inquire
  • Model: CAB-Q10/Q10-P
● 40GBase-CR4
● Length:  0.5~5 meters
● 8-pair differential twinax Cable
● Passive
● EEPROM I2C  (MCU for Cisco or HPE(H3C) compatible)

● 10Gtek offer Compatible Service
● NOT SUPPORT "Aruba(HP Provurve)"

To work with following brands, please choose Cisco/OEM


Cumulus, Chelsio, Centec,




Ixia, IBM(Lenovo) ,

NetApp, Netgear,





  • 0.5 meter
  • 1 meter
  • 1.5 meter
  • 2 meter
  • 3 meter
  • 5 meter
Compatible Option
  • Cisco/OEM**
  • HPE (H3C)
  • Arista
  • Dell (Force10)
  • Extreme
  • Juniper
  • Mellanox
  • Customized Requst

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Product Description Shipping & Payment Customer Reviews


QSFP+ DAC based on IEEE 802.3ba and compliant MSA SFF-8436, application in 40G Ethernet, infiniband QDR and Omni-path, suitable for very short distances transmission and offer a highly cost-effective solution to establish a 40-Gigabit link between QSFP+ ports and QSFP+ switches within racks and across adjacent racks.
For I2C, there are 2 designs with MCU or with EEPROM, MCU design is for "HPE (H3C)" and some model of "Cisco Switch", the EEprom design is for many brands device.
1. QSFP+ DAC, QSFP28 DAC, we did not offer the items to support "Aruba".

  • 40GBase-CR4
  • Length: 0.5~5 meters
  • 8-pair differential twinax Cable
  • Passive
  • EEPROM I2C (MCU for Cisco or HPE compatible)
  • 30/28/26AWG
  • Low power consumption
  • Excellent EMI performance
  • Temp. Range(℃): 0~70
  • Ethernet 10G, 40G
  • InfiniBand 4X SDR, DDR, QDR
  • Fiber Channel 10G, 40G
  • Rapid IO
  • Rack-to-Rack, Shelf-to-Shelf Interconnect
  • TOR (Top of Rack)
Ordering information:
Part Number Description Data Rate Length Cable Type Temp. Range(°C)

40GbE QSFP+ Copper Cable, 0.5-Meter, Passive, QDR

40Gbps 50 cm Passive Twinax 0~70
CAB-Q10/Q10-P1M 40GbE QSFP+ Copper Cable, 1-Meter, Passive, QDR 40Gbps 1 m Passive Twinax 0~70
CAB-Q10/Q10-P1.5M 40GbE QSFP+ Copper Cable, 1.5-Meter, Passive, QDR 40Gbps 1.5 m Passive Twinax 0~70
CAB-Q10/Q10-P2M 40GbE QSFP+ Copper Cable, 2-Meter, Passive, QDR 40Gbps 2 m Passive Twinax 0~70
CAB-Q10/Q10-P2.5M 40GbE QSFP+ Copper Cable, 2.5-Meter, Passive, QDR 40Gbps 2.5 m Passive Twinax 0~70
CAB-Q10/Q10-P3M 40GbE QSFP+ Copper Cable, 3-Meter, AWG 30, Passive, QDR 40Gbps 3 m Passive Twinax 0~70
CAB-Q10/Q10-P3M-30 40GbE QSFP+ Copper Cable, 3-Meter, AWG 30, Passive, QDR | QSFP-H40G-CU3M 40Gbps 3 m Passive Twinax 0~70
CAB-Q10/Q10-P5M 40GbE QSFP+ Copper Cable, 5-Meter, AWG 26, Passive, QDR 40Gbps 5 m Passive Twinax 0~70
CAB-Q10/Q10-A3M 40Gbase QSFP+ DAC Cable, 3-Meter, Active 40Gbps 3 m Active Twinax 0~70
CAB-Q10/Q10-A5M 40Gbase QSFP+ DAC Cable, 5-Meter, Active 40Gbps 5 m Active Twinax 0~70
CAB-Q10/Q10-A7M 40Gbase QSFP+ DAC Cable, 7-Meter, Active 40Gbps 7 m Active Twinax 0~70
CAB-Q10/Q10-A10M 40Gbase QSFP+ DAC Cable, 10-Meter, Active 40Gbps 10 m Active Twinax 0~70
CAB-Q14/Q14-P1M 56Gb/s QSFP+ FDR DAC Cable, 1-Meter 56Gbps 1 m Passive Twinax 0~70
CAB-Q14/Q14-P2M 56Gb/s QSFP+ FDR DAC Cable, 2-Meter 56Gbps 2 m Passive Twinax 0~70
CAB-Q14/Q14-P3M 56Gb/s QSFP+ FDR DAC Cable, 3-Meter 56Gbps 3 m Passive Twinax 0~70


QSFP+ DAC Description #1 QSFP+ DAC Description #2 QSFP+ DAC Description #3 QSFP+ DAC Description #4 QSFP+ DAC Description #5 QSFP+ DAC Description #6
Shipping Methods

Global Shipping

Together with SFPcables, there is a Global Delivery from us like no others. We will not only delivery the correct shipment, but also for more things for an efficient and flexible way of business cooperation with our partners.
SFPcables.com ship worldwide to nearly every country across the globe, covering North and South America, Europe, Asia, Africa, Oceania, and more. We employ the services of major, trusted international carriers to ensure your package arrives to your destination safely and securely.

38 Country Free shipping

Online orders exceed $800.00 to following countries can enjoy Free Shipping;
Asia: Philippines, South Korea, Singapore, Brunei, Taiwan, Malaysia, Thailand, Japan, Indonisia, Indonesia, Kampuchea, Laos, Vietnam
North America: United States, Canada, Mexico
Oceania: Australia, New Zealand
Eastern Europe: Bulgaria, Estonia, Latvia, Lithuania, Slovakia, Romania
Southern Europe: Slovenia, Greece, Spain, Portugal, San Marino, Italy
Central Europe: Slovenia, Germany, Poland, Czech, Slovakia, Hungary, Austria, Switzerland
Western Europe: Belgium, Britain, Ireland, Netherlands, Luxemburg, France
Northern Europe: Sweden, Denmark, Finland, Norway

Typically, we use DHL and UPS to deliver your goods. Shipping methods are not fixed, they may vary according to country location, order amount, customer requirements, etc.

Payment Methods

Payment methods available at SFPcables.com include:

  • PayPal and PayPal Express
  • Bank to bank wire transfers (T/T)
  • Western Union
Warranty & Service

Warranty Policy:

Warranty Service Pack1*:     All 10Gtek's products share 1-year standard warranty.
Warranty Service Pack2*:     Enhanced Item (Apply to Online order at SFPcables.com)

DAC Cables (Passive) 3-Year Warranty
DAC Cables (Active) 3-Year Warranty
AOC Cable 3-Year Warranty
Fiber Optic Transceivers 3-Year Warranty (1G, 10G)
1.5-Year Warranty (25G, 40G, 100G, 200G)
Switch, Convertors 1-Year Warranty
NIC/CNA Cards 1-Year Warranty
Optical System 1-Year Warranty
Patch Cords 3-Year Warranty
Power Adapter
0.5-Year Warranty
Consumer cable 3-Month

15-Day money back Guarantee

15-Day money back guarantee applies to all products sold by SFPcables.com provided that the items are new, undamaged, unmodified and in good resalable condition. If you are not satisfied with the product, you can apply return within 15 days.
All freight charges, transaction costs (bank charge or Paypal cost, etc) are the responsibility of the customer.

Returns are not acceptable if:
  1. The products are proved to have been abused, misused, replaced, repaired, or modified.
  2. After 15 days of delivery, returns are not acceptable. If the items are still under warranty period, customer could ask for repair or replacement. 
  3. No Return agreement was reached with a SFPcables.com sales representative before Returns.
  4. Return process is not done based on SFPcables.com Return instructions.



The logos, products and/or company names referred to herein is for informational purposes only, merely indicating that 10Gtek’s products can be compatible with the mentioned products. The logo 10Gtek is a registered trademark of 10GTEK TRANSCEIVERS CO., LTD.

10GTEK TRANSCEIVERS CO., LTD. All Rights Reserved.


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QSFP+ 40Gb/s QDR DAC Cable Passive 0.5~5 meter
Free shipping on orders over $800.