What is a 40G QSFP+ to QSFP+ DAC cable?

A 40G QSFP+ to QSFP+ DAC cable is a type of high-performance network cable designed for connecting switches, servers, and other equipment within a data center. It uses twinax copper technology, allowing for high-speed data transfer (up to 40 Gbps) over short distances, typically up to 5 meters. This makes it ideal for applications requiring low latency and high bandwidth, such as high-frequency trading or media streaming.

Why should I use a passive direct attach copper cable?

Passive direct attach copper cables, like the 40G QSFP+ DAC, are generally more cost-effective than optical cables for short-distance connections. They consume less power and provide excellent electrical performance, making them suitable for applications where minimal latency is critical. They are commonly used for interconnecting networking gear in data center environments, where efficient communication between devices is essential.

What devices are compatible with this cable?

The 40G QSFP+ to QSFP+ DAC cable is compatible with a wide range of devices that feature QSFP+ ports, including Cisco switches and routers. This compatibility ensures that users can seamlessly integrate it into their existing network setups, allowing for high-speed data communication between devices. Additionally, it's often used in multi-gigabit setups within data centers and enterprise networking environments.

What is the maximum distance this cable can effectively transmit data?

The 40G QSFP+ to QSFP+ DAC cable is designed for effective communication over distances of up to 5 meters (16.4 feet). While it is optimal for short-range applications, this distance allows for reliable connections between adjacent equipment, such as racks in a data center. If your connection needs exceed 5 meters, you may need to consider using optical cables for longer distances.

What are the advantages of using twinax cables over fiber cables?

Twinax cables, such as the 40G QSFP+ DAC cable, offer several advantages over fiber cables for short connections. They are lighter, more flexible, and easier to manage, making them suitable for crowded rack spaces. They also tend to deliver a lower overall cost for short runs without sacrificing performance. This makes them a popular choice for data centers looking to optimize their infrastructure efficiency.

How can I determine the right cable length for my setup?

To determine the right cable length, measure the distance between the devices you wish to connect, allowing for some extra length to accommodate routing and slack. Since the 40G QSFP+ DAC cable is available in various lengths, including 5 meters, you can select a length that fits comfortably within your setup while ensuring high performance and accessibility.

Is this cable suitable for high-frequency applications?

Yes, the 40G QSFP+ to QSFP+ DAC cable is well-suited for high-frequency applications, as it supports data transfer speeds of up to 40 Gbps with minimal latency. This makes it ideal for scenarios requiring rapid data exchange, such as real-time data processing, cloud computing, and large-scale data analytics within data centers.

Can this cable be used for connecting different brand devices?

In most cases, the 40G QSFP+ to QSFP+ DAC cable is interoperable across different brands that utilize QSFP+ ports. This means that you can use this cable to connect devices from various manufacturers, including Cisco, as long as they share the same interface. It's essential to check the specifications of both devices to confirm compatibility.

What type of environment is this cable best suited for?

This DAC cable excels in data center environments or server rooms where high bandwidth, low latency, and reliability are critical. It can also thrive in enterprise networks that require robust connectivity between switches, servers, and storage devices. Its durability and performance make it ideal for environments with substantial data traffic.

How to Shop 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Online From Ubuy?

It’s easy to shop 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

OLYCOM

40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Copper Twinax Cable for Cisco(5Meter (16.4ft))

Cost-effective copper solution with the lowest total system power and EMI.

OLYCOM

Item #: 140649271

40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Copper Twinax Cable for Cisco(5Meter (16.4ft))

Q: Where can I buy 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Copper Twinax Cable for Cisco (5Meter (16.4ft))?

You can purchase the 40G QSFP+ to QSFP+ DAC Cable on Ubuy, a trusted e-commerce platform that provides a vast selection of tech and networking products. With its user-friendly interface and commitment to quality, Ubuy makes it easy to find and obtain this essential cable for your networking needs in South Africa.

Item #: 140649271

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Cost-effective copper solution with the lowest total system power and EMI.

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What Stands Out

High-Speed Connectivity

This 40G QSFP+ DAC cable offers exceptional bandwidth for efficient data transmission, ensuring seamless connectivity in data centers and enterprise networks.

Cost-Effective Solution

Designed as a passive direct attach copper solution, this cable provides a budget-friendly alternative to optical cables without compromising performance or reliability.

Compatibility Assurance

Tailored for Cisco equipment, this cable guarantees compatibility and performance, making it an ideal choice for businesses utilizing Cisco networking infrastructure.

Product Details

SPEC: 40GbE QSFP+ to QSFP+ DAC Direct Attach Copper Twinax Cable, Passive, 5-Meter(16.4ft), 30AWG.
COMPATIBILITY: Widely compatible with Cisco QSFP-H40G-CU5M and other open switch devices.
TEST: 100% Compatible, Each 40G DAC is individually tested to make sure its compatibility before delivery.
APPLICATION: 40G QSFP+ Cable can connect switch, router, server, NIC or other kinds of device which have 40G QSFP+ connector.

Brand	OLYCOM
Connector Type	RJ45
Cable Type	Ethernet
Compatible Devices	Router, Server
Special Feature	Data Transfer
Color	Sliver
Connector Gender	Male-to-Male
Data Transfer Rate	10.31 Gigabits Per Second
Shape	Round
Item Weight	19.4 Ounces (549.99 grams)
Specification Met	RoHS
Indoor/Outdoor Usage	Indoor, Outdoor
Manufacturer	OLYCOM
UPC	761270310205
Product Dimensions (L x W x H)	14.6 x 14.4 x 1.2 inches (37.1 x 36.6 x 3 cm)
Item Weight	1.21 pounds (550 grams)
Item model number	QSFP-H40GB-CU5M
Date First Available	October 15, 2020

Who Should Buy?

Data Centers
Ideal for connecting high-speed devices in data centers with efficient bandwidth and low latency.
Network Administrators
Perfect for network administrators needing reliable and cost-effective solutions for short-distance connections.
Cisco Users
Specifically designed for compatibility with Cisco equipment, ensuring optimal performance and reliability.

Long-Distance Connections
Not suitable for connections over long distances; limited range due to passive cabling.
High-Interference Areas
May not perform well in environments with high electromagnetic interference affecting cable performance.
Non-Cisco Equipment
Not recommended for use with non-Cisco devices, which may lead to compatibility issues.

Product Description

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Customer Questions & Answers

Question: How to Shop 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Online From Ubuy?

Answer: It’s easy to shop 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The 40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

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Features & Benefits

Compliant with SFF-8436 specifications.
Supports data rates up to 10.3125Gbps per channel.
Available lengths up to 7 meters.
Optimized for signal integrity with a single 3.3V power supply.
Widely compatible with Cisco and other open switch devices.
Individually tested for 100% compatibility before delivery.

40G QSFP+ to QSFP+ DAC Cable Passive Direct Attach Copper Twinax Cable for Cisco(5Meter (16.4ft))

ZAR 1555

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Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

OLYCOM Network Transceivers QSFP-H40GB-CU5M Editorial Review

Customer Reviews & Ratings

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Product Price History

Important information

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