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Home / Products / Transceivers / Direct Attach Cables (DACs) / 40G QSFP+ DAC / 100473

2M Arista CAB-Q-Q-2M Compatible 40G QSFP+ Passive Direct Attach Copper Cable

Product No :100473
US$ 21.50
Compatible
Transceivers type
158 in real-time stock, 18May, 2025
Delivered in 5 business days in the U.S. ;jsessionid=E717681BEE3440A6D6C15A6232A9B3DD
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Add to Cart Bulk Order Quotes 
1. 40G QSFP+ to QSFP+ Connetor
2. Low Latency and Power Consumption
3. Compatible with 200+ Vendors
4. Applied in 40G Ethernet Hub, Switches, Routers and Servers, etc.
5. QSFP+ MSA Compliant
See more

Specifications

Cisco QSFP-H40G-CU2M Compatible 40G QSFP+ DAC Twinax Copper Cable (2 meters, Passive, QSFP+ to QSFP+)

 

The 40G QSFP+ passive copper direct-attach cable (DAC) is Cisco QSFP-H40G-CU2M fully compatible. It is a Twinax copper cable with fixed QSFP+ form factor modules terminated on both ends. Given that the QSFP+ is pre-attached to each end, the 40G DAC cable features convenient installation.

 

QSFP+ to QSFP+ 40G DAC cable is suitable for very short-distance transmission. It provides a cost-effective and low-power consumption way to build a 40Gb link between QSFP ports of switches or routers with racks and across adjacent racks.

 

Part Number QT-QSFP-PC2 Vendor Name QSFPTEK
Connector Type QSFP+ to QSFP+ Data Rate 40 Gbps
Minimum Bend Radius 33mm Wire AWG 30AWG
Cable Length 2m Cable Jacket PVC (OFNR)

 

Quality Testing Program
Optical Transceivers Testing

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Certifications

Features

  • 1. High Reliablility and Best Price
    Proudly self-producing and rigorous testing, QSFPTEK is dedicated to delivering cost-effective products with high reliability and performance at trade price.
  • 2. Wide Application Scenarios
    Ideal for ToR, adjacent racks and short-range server-to-switch connections.
  • 3. Protocols
    Compliant with QSFP+ MSA, InfiniBand SDR/DDR/QDR, IEEE802.3ba and SFF-8436.
  • 4. Quality Certifications
    Backed by CE, FCC, ROSH, ISO9001.

Applications

Connection 1: 40G Switch to 40G Switch Direct Connectivity

40G Switch to 40G Switch Direct Connectivity

Related Products:

S7300-48X2Q4C, 48-Port Gigabit Ethernet L3 Campus SFP+ Switch, 48 x10GE SFP+, with 2 x40GE QSFP+ and 4 x100GE QSFP28 Uplinks, Support Stacking

  

         

Connection 2: 40G Switch to 40G NIC Direct Connectivity

40G Switch to 40G NIC Direct Connectivity

Related Products:

S7300-48X2Q4C, 48-Port Gigabit Ethernet L3 Campus SFP+ Switch, 48 x10GE SFP+, with 2 x40GE QSFP+ and 4 x100GE QSFP28 Uplinks, Support Stacking

Intel XL710-BM2 Based Network Interface Card, 40G Dual-Port QSFP+, PCIe 3.0 X 8, Half & Full Bracket

Product details

Various Switch Tests

  

Every cable is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

     

QSPFTEK LAB All Brands Switches Show

 

Tested in The Host Device to Prove Interoperability

  

Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

                                                          

QSFPTEK Test Rack

 

Comprehensive Testing

 

Every cable is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

                             

QSFPTEK Test Devices

           

       

40G QSFP+ Cables Contrast Table

   

Part Number QT-QSFP-PCx QT-QSFP-ACx QT-Q4S-PCx QT-QSFP-Ax QT-Q4S-Ax
Image
Cable Type Passive Direct Attach Copper Active Direct Attach Copper Passive Direct Attach Copper Breakout Active Optical Cable Active Optical Cable Breakout
Max Data Rate 40Gbps 40Gbps 40Gbps 40Gbps 40Gbps
Connector Type QSFP+ to QSFP+ QSFP+ to QSFP+ 40G QSFP+ to 4x10 SFP+ QSFP+ to QSFP+ 40G QSFP+ to 4x10 SFP+
Wire AWG 30AWG 30AWG 30AWG / /
Minimum Bend Radius 33mm 33mm 21mm 7.5mm 7.5mm
Media Copper Copper Copper Optic Fiber Optic Fiber
Jacket Material PVC (OFNR) PVC (OFNR) PVC (OFNR) LSZH LSZH

Questions & Answers

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5 stars

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Resources

  • PDF Document
    QT-QSFP-PCx Datasheet.pdf
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2M Arista CAB-Q-Q-2M Compatible 40G QSFP+ Passive Direct Attach Copper Cable

Compatible Arista

Transceivers type CAB-Q-Q-2M

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Mark

2023-12-15
This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

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2M Arista CAB-Q-Q-2M Compatible 40G QSFP+ Passive Direct Attach Copper Cable
US$ 21.50
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Transceivers type
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2M Arista CAB-Q-Q-2M Compatible 40G QSFP+ Passive Direct Attach Copper Cable ;jsessionid=E717681BEE3440A6D6C15A6232A9B3DD

Compatible Arista ;jsessionid=E717681BEE3440A6D6C15A6232A9B3DD

Transceivers type CAB-Q-Q-2M ;jsessionid=E717681BEE3440A6D6C15A6232A9B3DD

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