Lenovo 7Z57A03561 – 1m Passive 100G QSFP28 DAC Cable
The 1m Passive 100G QSFP28 DAC Cable is a high-performance, cost-effective solution for data center and enterprise networking applications. This device is designed to provide reliable, high-speed connectivity between servers, switches, and storage systems. With its passive design, it eliminates the need for expensive active components, reducing power consumption and increasing overall system efficiency. The QSFP28 interface supports speeds of up to 100Gbps, making it an ideal choice for high-bandwidth applications such as data center interconnects, cloud computing, and big data analytics.
In enterprise environments, this cable is particularly useful for connecting top-of-rack switches to servers, or for linking multiple switches together in a spine-leaf architecture. Its compact size and lightweight design make it easy to manage and install in dense data center environments. the cable’s passive design ensures low latency and high signal integrity, making it suitable for applications that require low-latency and high-reliability connectivity.
The 1m Passive 100G QSFP28 DAC Cable is also designed to meet the growing demand for higher-speed connectivity in data centers and cloud computing environments. As data centers continue to evolve and grow, the need for faster, more reliable connectivity solutions becomes increasingly important. This cable is designed to meet those needs, providing a high-performance, cost-effective solution for data center and enterprise networking applications.
Technical Specifications
| Brand | Lenovo |
| SKU | 7Z57A03561 |
| Category | Servers & Storage |
| Length | 1m |
| Speed | 100Gbps |
| Interface | QSFP28 |
| Type | Passive DAC Cable |
| View all Lenovo Products → | |
Challenges Solved by this Solution
For IT professionals, one of the biggest pain points is ensuring reliable, high-speed connectivity between servers, switches, and storage systems. Bottlenecks in the network can lead to decreased productivity, increased latency, and reduced overall system efficiency. The 1m Passive 100G QSFP28 DAC Cable solves this problem by providing a high-performance, cost-effective solution for data center and enterprise networking applications. By reducing power consumption and increasing overall system efficiency, this device helps mitigate the risk of downtime and data loss, while also reducing IT overhead. With its compact size and lightweight design, it’s easy to manage and install in dense data center environments, making it an ideal choice for enterprise networking applications.
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Frequently Asked Questions
What is the maximum speed supported by this cable?
The QSFP28 interface supports speeds of up to 100Gbps.
Can this cable be used in data center interconnects?
Yes, this cable is an ideal choice for high-bandwidth applications such as data center interconnects, cloud computing, and big data analytics.
How does the passive design of this cable affect its performance?
The passive design of this cable eliminates the need for expensive active components, reducing power consumption and increasing overall system efficiency.
Can the TECHOM Systems Sales team help with installation and support?
Yes, the TECHOM Systems Sales team can provide assistance with installation, as well as offer design services and consulting services to help you get the most out of your purchase.
Is this cable compatible with my existing network infrastructure?
This cable is designed to be compatible with a wide range of network infrastructure, but it’s always best to check with the manufacturer to confirm compatibility with your specific setup.


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Product Ref: TOS-1584851 • Get enterprise pricing, volume discounts, and Australian support.


























