Name:
QSFP-4SFP10G-CU4M=
- Description:
- 4M CABLE QSFP TO 4XSFP10G PASSIVE COPPER SPLITTER
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- 821455468371
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3 - List Price:
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$807.76
- Price:
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$420.03
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QSFP-4SFP10G-CU4M=
4M CABLE QSFP TO 4XSFP10G PASSIVE COPPER SPLITTER
$420.03
27 in Global Warehouse
$420.03
48% off
TRUSTED, TRIED, PROVEN
QSFP-4SFP10G-CU4M= Overview
QSFP-4SFP10G-CU4M= is a high-performance direct attach copper cable assembly designed to convert a single QSFP+ port into four SFP+ interfaces, each supporting 10G data rates. Engineered for short-range transmission with a fixed 4-meter length, it offers a robust, low-latency solution for data center interconnects, enterprise networks, and high-performance computing environments while supporting standard Ethernet protocols.
QSFP-4SFP10G-CU4M= features a QSFP+ connector on one end and four SFP+ connectors on the other, packaged in a compact form factor that meets the demanding physical and operational requirements of modern network architectures. With its pre-validated design for multi-vendor compatibility, this breakout cable assembly ensures streamlined deployment and reliable performance in diverse telecom and data center applications.
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QSFP-4SFP10G-CU4M= Specifications
| Product Type | Direct Attach Copper Cable (DAC) |
| Form Factor | QSFP+ to 4x SFP+ |
| Data Rate | 10G |
| Connector Type | QSFP+ and SFP+ |
| Wavelength | N/A |
| Transmission Distance | Short-Range |
| Fiber Type | N/A |
| Max Distance | 4 meters |
| Supported Protocols | Ethernet |
| Network Interface | Copper |
| Power Consumption | N/A |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | N/A |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-4SFP10G-CU4M= |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
QSFP-4SFP10G-CU4M= Use Case
Data Center Top-of-Rack Aggregation with QSFP-4SFP10G-CU4M=-4M Passive Copper Splitter Cable
In hyperscale data centers, network architects deploy the QSFP-4SFP10G-CU4M=-4M passive copper splitter to aggregate four 10GbE server uplinks into a single 40GbE switch port. This real-world scenario eliminates the need for expensive optical modules, reduces cable density by 75%, and streamlines port management—delivering full-line rate performance with up to 40Gbps bandwidth and significant CAPEX/OPEX savings.
Ultra-Low Latency Financial Trading Network Interconnect
High-frequency trading firms integrate the QSFP-4SFP10G-CU4M=-4M cable to directly connect four trading servers to a single 40GbE switch uplink. In this mission-critical environment, the passive copper splitter ensures deterministic sub-microsecond latency, built-in port redundancy, and seamless failover. The outcome: accelerated order execution, minimized packet loss, and competitive edge in real-time market operations.
Enterprise Campus Uplink Consolidation and Bandwidth Optimization
Large campus networks use the QSFP-4SFP10G-CU4M=-4M passive copper splitter to merge four 10GbE edge switch uplinks into one 40GbE aggregation port. This deployment simplifies network topology, cuts transceiver costs by up to 60%, and accelerates provisioning for VoIP, video conferencing, and cloud-hosted applications—delivering scalable, high-throughput connectivity with zero configuration changes on existing switches.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | N/A | Cisco / Juniper / Huawei / Arista |
| Connector Type | Integrated Fiber-Optic | QSFP+ and SFP+ | LC | Direct Attach | LC |
| Data Rate | 40G (4x10G) | 10G | 40G | 40G (4x10G) | 10G |
| Depth | N/A | N/A | 1.8 inches | N/A | 0.85 inches |
| Fiber Type | Multi-mode | N/A | Single-mode | N/A | Single-mode |
| Form Factor | QSFP | QSFP+ to 4x SFP+ | QSFP+ | QSFP | QSFP |
| Height | N/A | N/A | 0.54 inches | N/A | 0.27 inches |
| Input Voltage | 3.3V | N/A | 3.3V | N/A | 3.3V |
| Max Distance | 1 m | 4 meters | 10 km | 10 meters | 10 km |
| Network Interface | Fiber | Copper | Fiber | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 2.5W | N/A | 4.8W | N/A | 3.5 W |
| Product Name | QSFP-4X10G-AOC1M= | QSFP-4SFP10G-CU4M= | WSP-Q40GLR4L | QSFP-4X10G-AOC10M= | QSFP-4X10G-LR-S= |
| Product Type | Transceiver | Direct Attach Copper Cable (DAC) | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 850nm | N/A | 1271/1291/1311/1331 nm | N/A | 1310 nm |
| Weight | N/A | N/A | 0.2 lbs | N/A | 0.10 lbs |
| Width | N/A | N/A | 0.54 inches | N/A | 0.66 inches |
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Questions & Answers
Q
What is the QSFP-4SFP10G-CU4M cable?
A
The QSFP-4SFP10G-CU4M is a 4-meter passive copper breakout cable that splits one QSFP+ port into four 10 Gbps SFP+ channels.
Q
Which data rates does the QSFP-4SFP10G-CU4M support?
A
This cable supports an aggregate 40 Gbps bandwidth and delivers 10 Gbps per individual SFP+ link.
Q
What connectors are on the QSFP-4SFP10G-CU4M?
A
It features a single QSFP+ connector on one end and four SFP+ connectors on the opposite end.
Q
How long is the QSFP-4SFP10G-CU4M cable?
A
The cable is precisely 4 meters (13.12 feet) in length for optimized rack-to-rack runs.
Q
Is the QSFP-4SFP10G-CU4M an active or passive cable?
A
It is a fully passive copper splitter and requires no external power or signal amplification.
Q
What applications are ideal for the QSFP-4SFP10G-CU4M?
A
It is ideal for data center top-of-rack switching, server breakout, and short-reach 40G-to-4×10G migrations.
Q
Is the QSFP-4SFP10G-CU4M compatible with major switch vendors?
A
Yes, it is vendor-agnostic and compatible with Cisco, Juniper, Arista, Dell, HPE and other QSFP+ and SFP+ ports.
Q
How do I install the QSFP-4SFP10G-CU4M cable?
A
Simply plug the QSFP+ end into the 40G port and connect the four SFP+ ends to 10G ports—no configuration is required.
Q
What is the maximum reach of the QSFP-4SFP10G-CU4M?
A
As a passive copper solution, it reliably supports up to its 4 meter length without signal degradation.
Q
Can the QSFP-4SFP10G-CU4M carry 10G Ethernet traffic?
A
Yes, it transparently transports 10G Ethernet, FCoE, and other SFP+-based protocols over each channel.
Q
Does the QSFP-4SFP10G-CU4M consume power?
A
No, being a passive copper cable, it draws no electrical power from host systems.
Q
What operating temperatures does the QSFP-4SFP10G-CU4M support?
A
It is rated for 0 °C to 70 °C (32 °F to 158 °F) ambient operating temperature.
Q
Is the QSFP-4SFP10G-CU4M reusable and hot-swappable?
A
Yes, it supports hot-plug operation and can be reused across multiple network setups.
Q
Do I need additional transceivers with the QSFP-4SFP10G-CU4M?
A
No additional transceivers are required; the cable integrates both QSFP+ and SFP+ interfaces.
Q
What advantages does a passive copper splitter offer?
A
Passive splitters are cost-effective, energy-efficient, and optimal for short-reach breakout applications.
Q
Can the QSFP-4SFP10G-CU4M be used for breakout in virtualization environments?
A
Yes, it enables flexible bandwidth allocation and efficient server connectivity in virtualized data centers.