Do you have a list of products you are looking to source?
Send us the whole list and get Special discounted prices
The Black Box QSFP-H40G-CU2M-BB is a high-speed Direct Attach Copper (DAC) cable that provides reliable 40Gbps connectivity between networking equipment such as switches, servers, and storage arrays. With a length of 2 meters, it is ideal for short-range, high-density interconnects within racks or between adjacent racks in data centers and enterprise deployments. Its passive design ensures low power consumption, reduced latency, and exceptional cost-effectiveness compared to optical transceivers.
The cable is designed for seamless integration with compatible QSFP+ ports, ensuring dependable high-bandwidth communication. Backed by Black Box expertise, this DAC cable is tested for durability and reliability, making it a trusted choice for businesses modernizing or expanding their networking infrastructure.
Supporting the 40GBASE-CR4 standard, this DAC delivers 40 Gigabit Ethernet throughput over four parallel copper pairs, maintaining high signal integrity across the 2-meter length. Its hot-swappable QSFP+ connectors allow easy installation and removal, while its durable yet flexible cable construction supports demanding data center operating conditions.
This cable helps optimize power consumption, eliminating the need for costly optical transceivers in short-reach environments. Used in Top-of-Rack (ToR) and End-of-Row (EoR) architectures, it supports dense cabling needs without compromising airflow. Engineered for compatibility and efficiency, it is an excellent addition to scalable, high-bandwidth networking infrastructures.
The Black Box QSFP-H40G-CU2M-BB ensures dependable 40GbE performance with near-zero power draw. By reducing heat output and avoiding the costs of active optical solutions, it provides a reliable, cost-effective backbone link within data centers. Its robust construction minimizes maintenance needs while its precision-tested copper connection ensures stable and secure data transmission.
| Specification | Details |
|---|---|
| Part Number | QSFP-H40G-CU2M-BB |
| Brand | Black Box |
| Product Type | QSFP+ Direct Attach Copper Cable |
| Length | 2 meters |
| Data Rate | 40 Gbps |
| Standard | 40GBASE-CR4 |
| Connector Type | QSFP+ to QSFP+ |
| Design | Passive copper |
| Power Consumption | Near zero |
| Compatibility | QSFP+ compatible networking equipment |
| Installation | Hot-swappable plug-and-play |
| Application | Intra-rack and inter-rack high-speed connectivity |
| Cable Type | Twinax copper |
| Jacket Material | Durable flexible PVC |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| EMI Characteristics | Low electromagnetic interference |
| Durability | Tested for repeated insertions |
| Compliance | Compliant with RoHS and industry standards |
| Weight | Approx. 0.25 kg |

All packages are shipped same day if the order is placed before 3PM CST
We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx
Overnight Shipping take 1 business day
Expedited Shipping take about 2-3 business days
Ground shipping take about 3-5 business days
You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.
We Accept
i) PayPal
ii) All Credit & Debit Cards
iii) Purchase Orders
iv) Check
v) Bank Transfer/ACH/Wire Transfer
To process the order through Paypal/CC, you can simply checkout and process the payment.
If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details
Call: 469.458.9636
Email: sales@dcsupplies.net
If you have any queries, please contact us at the following details and we will be happy to help
Call
469.458.9636
469.458.9638
Email
sales@dcsupplies.net