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49Y7935 Lenovo 3m 40G QSFP+ to QSFP+ Passive Copper Direct Attach Cable

SKU:

49Y7935

Weight: 3.00 lbs
Condition: Refurbished
  • 3-meter passive copper cable with QSFP+ connectors
  • Supports 40 Gigabit Ethernet data rates
  • Low latency, high-bandwidth direct attach solution
  • Compatible with Lenovo networking equipment
In stock

$127.86
Product Overview

The Lenovo 3m 40G QSFP+ to QSFP+ Passive Copper Direct Attach Cable is a solid option for linking high-speed QSFP+ ports in close proximity. It handles 40 Gigabit Ethernet traffic without active components, fitting well in setups that need reliable, short-range connections between switches or servers. This cable supports essential data center tasks without overcomplicating the physical network layer.

General Information
Brand Lenovo
Part Number 49Y7935
Alternate Part Number 49Y7935-02-CT
Technical Information
Cable Family DAC/AOC
Cable Type Direct Attach Cable (DAC)
Data Rate 40Gb/s
Cable Length 3 m
Compatibility Equipment with QSFP+ ports supporting 40GbE (including Lenovo switches and servers)
product type Passive Copper Direct Attach Cable (DAC)
Product Category Network Cable
Connectivity
Connector A QSFP+
Connector B QSFP+
Cable Connector Gender Male to Male
Connector Type QSFP+
Physical Characteristics
Form Factor QSFP+
Weight 3.00
Condition Refurbished


Product Description

This 3-meter passive copper direct attach cable provides a straightforward connection between QSFP+ ports, often found in data centers and high-performance computing environments. It's built for short-distance, high-speed data transfers without the need for additional transceivers. Network engineers and IT professionals rely on this cable for linking switches, routers, or servers within racks or across adjacent racks.

Key Features

  • Delivers 40Gbps data transfer speeds suitable for demanding network setups
  • Offers a plug-and-play QSFP+ interface that keeps installation simple
  • Consumes no extra power compared to active optical cables
  • Designed to minimize signal interference over short distances
  • Compatible with Lenovo gear to ensure reliable connectivity

This cable typically appears in enterprise data centers where efficient, high-speed connections are essential. It helps reduce hardware complexity and cost by providing a direct copper link, which is ideal for short-range interconnects. Its durability and performance make it a practical choice for server room environments requiring stable and consistent data flow.


Use Cases

This cable is suited for environments where high-speed, short-distance connectivity is critical. It is commonly deployed in data centers and enterprise network infrastructures.

How It's Used:

  • Connecting Lenovo servers to switches with QSFP+ ports
  • Establishing high-speed uplinks between network aggregation switches
  • Linking storage arrays and computing clusters requiring fast data transfer
  • Implementing 40G Ethernet connections for virtualization and cloud computing setups
  • Facilitating scalable network topologies in data center racks

Its passive copper construction and QSFP+ compatibility make the 49Y7935 cable a practical and efficient solution for modern high-performance networking needs.


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49Y7935 Lenovo 3m 40G QSFP+ to QSFP+ Passive Copper Direct Attach Cable
49Y7935 Lenovo 3m 40G QSFP+ to QSFP+ Passive Copper Direct Attach Cable
$127.86