Lenovo
Lenovo 7Z57A03563 5M Passive QSFP28 DAC Cable
Reliable High-Speed Network ConnectivityIntroducing the Lenovo 5M Passive QSFP28 DAC. Engineered to deliver dependable high-speed connections between network devices, supporting data transfer rates up to 12.50 GB/s. Ideal for environments requiring stable and efficient network performance. Cable...
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Overview
Reliable High-Speed Network Connectivity
Introducing the Lenovo 5M Passive QSFP28 DAC. Engineered to deliver dependable high-speed connections between network devices, supporting data transfer rates up to 12.50 GB/s. Ideal for environments requiring stable and efficient network performance.
- Cable Length: 16.40 ft
- Product Type: Network Cable
- Data Transfer Rate: 12.50 GB/s
- Device Supported: Network Device
- Features: Passive
- Connector on First End: QSFP28 Network
- Cable Type: QSFP28
Key Features
Lenovo - 100GBase-CU direct attach cable - QSFP28 to QSFP28 - 16
Specifications
Cable Type
Direct attach cable
Data Rate
100GBase-CU
Connector Type (End 1)
QSFP28
Connector Type (End 2)
QSFP28
Length
5M
Technology
Passive
Pros & Cons
👍 Pros
- Features QSFP28 to QSFP28 connectors, ensuring compatibility with standard 100GBase-CU ports for high-density networking.
- With a length of 5 meters, this passive DAC cable is suitable for short-to-medium distance connections within racks or adjacent equipment.
- Designed for 100GBase-CU direct attach, simplifying network architecture and minimizing latency for high-speed data transfer.
- The "passive" nature means it consumes less power compared to active optical cables, which can be beneficial in large-scale deployments.
👎 Cons
- The "passive" design means signal degradation can occur over longer distances, limiting its range compared to active optical cables.
- The product description is concise, lacking detailed specifications such as cable gauge or specific bend radius.
- Only provides QSFP28 to QSFP28 connectivity, limiting its use to devices with these specific high-speed ports.
- The provided length of 5 meters might not be suitable for all network topologies, especially for connecting more distant equipment.
- Information on cable jacket material and fire safety ratings (e.g., plenum, riser) is not available.
Frequently Asked Questions
What does "QSFP28" refer to in this cable's description?
QSFP28 refers to a Quad Small Form-Factor Pluggable 28, which is a hot-pluggable transceiver module format used for 100 Gigabit Ethernet (100GbE) applications.
What is the primary benefit of a "passive" direct attach cable?
A passive direct attach cable generally consumes less power and can be more cost-effective for short-distance, high-speed connections compared to active cables or optical transceivers.
What data transfer speeds does this 5M Passive QSFP28 DAC Cable support?
This cable is designed for 100GBase-CU direct attach, indicating support for 100 Gigabit Ethernet speeds.
Can this cable be used for connections longer than 5 meters?
As a passive cable, its effectiveness typically diminishes over longer distances due to signal loss, so it is optimized for connections up to 5 meters.
Is this cable compatible with all network equipment that has QSFP28 ports?
While it is designed for QSFP28 ports, specific compatibility with different network equipment brands and models should be verified with the manufacturer's compatibility list.
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