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The Black Box QSFP-H40G-CU50CM-BB is a high-performance 40GBase QSFP+ direct attach passive copper cable designed for high-speed data center connectivity. This 50cm cable provides a cost-effective solution for short-reach 40 Gigabit Ethernet connections between switches, servers, and storage systems. Its passive design eliminates the need for power while delivering reliable performance in high-density networking environments.
As a genuine Black Box product, this direct attach copper cable ensures guaranteed compatibility and optimal performance with Black Box networking equipment and standard QSFP+ interfaces, providing a seamless and reliable connectivity solution for high-performance computing environments.
This QSFP+ direct attach copper cable is engineered with advanced technology to deliver superior performance. It features high-quality copper conductors that provide excellent signal integrity and minimal insertion loss. The cable supports 40Gbps data rates over short distances, making it ideal for rack-to-rack connections within data centers. Its passive design requires no external power, reducing operational costs and complexity while maintaining high reliability.
The Black Box QSFP-H40G-CU50CM-BB direct attach copper cable is built for unwavering reliability and performance. Its high-quality copper construction and precision-engineered connectors ensure consistent signal transmission and minimal latency. By providing a cost-effective, power-efficient solution for 40Gbps connectivity, it eliminates performance bottlenecks in short-reach applications, making it a dependable solution for high-density data center deployments.
| Specification | Details |
|---|---|
| Part Number | QSFP-H40G-CU50CM-BB |
| Brand | Black Box |
| Product Type | Cable |
| Standard | 40GBase |
| Connector Type | QSFP+ to QSFP+ |
| Connector Design | Direct Attach Copper |
| Cable Length | 50 cm (1.64 ft) |
| Data Rate | 40 Gbps |
| Technology | Passive Copper |
| Power Consumption | 0W (Passive) |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Wire Gauge | 30 AWG |
| Insertion Loss | < 1.5 dB |
| Crosstalk | < -30 dB |
| Return Loss | > 10 dB |
| Compliance | |
| Jacket Material | PVC |
| Weight | 0.1 kg |
| Compatibility | Black Box networking equipment and standard QSFP+ interfaces |

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
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Black Box QSFP-H40G-CU50CM-BB 40GBase QSFP+ Direct Attach Passive Copper Cable
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