Cisco QSFP-H40G-CU4M 40GBASE-CR4 QSFP direct-attach copper cable, 4-meter, passive

Features

• High-performance 40GBASE-CR4 connectivity
• Passive copper cable
• 4-meter length
• Cost-effective solution for short-distance connectivity
• Suitable for data centers and high-speed networking environments
• Hot-swappable support
• Compact QSFP form factor

Technical Specifications

• Connector Type: QSFP
• Cable Type: Passive Copper
• Data Rate: 40Gbps
• Cable Length: 4 meters
• Compliance: IEEE 802.3ba
• Temperature Range: 0°C to 70°C (32°F to 158°F)
• Operating Voltage: 3.3V
• Current Rating: 0.5A
• Wire Gauge: 30 AWG

Frequent Ask Questions

• What is the Cisco QSFP-H40G-CU4M?

  The Cisco QSFP-H40G-CU4M is a 40GBASE-CR4 QSFP direct-attach copper cable that is 4 meters long and passive. It is used to connect networking equipment with QSFP ports.

• What are the key features of the Cisco QSFP-H40G-Cu4M cable?

  Key features include high-performance 40 Gbps data rate, QSFP connectors on both ends, and passive copper cabling.

• What is a direct-attach copper (DAC) cable?

  Direct-attach copper (DAC) cables are a type of high-speed cable with transceivers attached to either end. They provide a cost-effective, power-efficient alternative to optical cables for short-range data transmission.

• Is the Cisco QSFP-H40G-CU4M suitable for my network setup?

  The Cisco QSFP-H40G-CU4M is suitable for network setups requiring high-speed 40 Gbps connections over short distances (up to 4 meters). Ensure your devices support QSFP and 40GBASE-CR4 standards.

• Is this cable active or passive?

  This cable is passive, meaning it does not require additional power to operate and has relatively lower power consumption compared to active cables.

• Does the Cisco QSFP-H40G-CU4M require any special configuration?

  No, as a direct-attach copper cable, it does not require any special configuration. Simply connect it to the QSFP ports on compatible devices.

• What is the maximum length of DAC cables for 40G connections?

  The maximum length for passive DAC cables like the Cisco QSFP-H40G-CU4M for 40G connections is typically around 7 meters, but the optimal length is usually within 5 meters for reliable performance.

• Can this cable be used for both inter-rack and intra-rack connections?

  Yes, the 4-meter length of the Cisco QSFP-H40G-CU4M makes it suitable for both inter-rack and intra-rack connections, providing flexibility in various data center setups.

Warranty and Extended Support Options

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• For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

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  • and secure location deliveries, etc.

• Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

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Logistics

• Our stock is held in Botany, NSW, near major courier hubs and Sydney International Airport.
• We offer advanced logistics solutions, such as same day delivery, same day collection, overnight delivery, tailgate services, data centre & secure location deliveries, etc.
• Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

Warranty and Extended Support Options

• All products sold come with a 12 month return to base warranty.
• For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

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