Name: QSFP-4SFP10-CU0-5 Cisco QSFP to 4xSFP+ 10G 0.5m Passive Copper Breakout Cable
Brand: Cisco
SKU: QSFP-4SFP10-CU0-5
Price: 119.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Cisco QSFP-4SFP10-CU0-5 cable converts one QSFP port into four 10G SFP+ ports using a passive copper design. It fits into data center environments where multiple 10G connections are needed from a single 40G port, offering an easy and cost-effective way to expand network capacity without extra active hardware.

General Information
Brand	Cisco
Part Number	QSFP-4SFP10-CU0-5

Technical Information
Data Rate	10Gbps,40Gbps
Cable Length	0.5m
Compatibility	Cisco QSFP+,Cisco Nexus,Cisco Catalyst
Stacking Bandwidth	40Gbps

Connectivity
Connector Type	QSFP+,SFP+

Physical Characteristics
Form Factor	Passive Copper Breakout Cable (DAC) - QSFP+ to 4x SFP+
Weight	5.00
Condition	Refurbished

Product Description
This Cisco QSFP to 4x SFP+ passive copper splitter cable allows a single QSFP port to be split into four separate 10G SFP+ ports, making it easier to connect multiple devices without extra switches. Often found in data centers and high-performance networking environments, it helps maximize port usage and flexibility. Built for network engineers and IT professionals managing high-density hardware setups, this cable provides a straightforward way to extend connectivity while maintaining solid performance. Key Features Provides 40Gbps total bandwidth by splitting a QSFP port into four SFP+ connections Passive copper design requires no additional power or configuration Compact 0.5m length ideal for tight rack spaces Compatible with Cisco QSFP and SFP+ ports ensuring broad device support Reduces need for expensive active equipment by simplifying connectivity This splitter cable is typically used inside racks or server rooms where space and port density are critical. It helps simplify cabling and reduce equipment costs by efficiently leveraging existing QSFP ports. By providing multiple 10G links from a single 40G port, it plays a key role in optimized network setups.

Use Cases
The QSFP-4SFP10-CU0-5 cable is predominantly deployed in data center environments where high-density 10G connectivity is required from existing 40G QSFP ports. Network architects and engineers leverage this cable to efficiently partition bandwidth in virtualized and hyper-converged infrastructure setups without adding active components. How It's Used: Expanding 10G server or storage node connections within hyperscale data centers utilizing 40G uplink ports. Facilitating network segmentation in enterprise IT environments by splitting a 40G port into multiple 10G links for virtualization workloads. Optimizing rack deployments in colocation facilities where space and power constraints limit active breakout hardware. Supporting edge computing sites needing compact cabling solutions for aggregating multiple 10G devices from a single 40G interface. Enabling cost-effective scaling of network fabrics in high-performance computing clusters by breaking out 40G connections into 10G segments. This passive copper breakout cable aids operational efficiency by simplifying cabling infrastructure and reducing power consumption in dense networking setups. It enhances scalability by allowing flexible port allocation and supports performance requirements of modern data center workloads through reliable 40G to 10G segmentation.

QSFP-4SFP10-CU0-5 Cisco QSFP to 4xSFP+ 10G 0.5m Passive Copper Breakout Cable

Product Overview

General Information

Technical Information

Connectivity

Physical Characteristics

Product Description

Use Cases