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5m copper splitter cable performs reliably across all 4x10G ports.
QSFP-4SFP10G-CU5M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 5m
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Name:
QSFP-4SFP10G-CU5M
- Description:
- QSFP to 4xSFP10G Passive Copper Splitter Cable, 5m
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 993246180516
- Condition:
- Warranty:
- 3
- List Price:
$796.00
- Price:
$196.0075.4% off
Quantity:
1
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QSFP-4SFP10G-CU5M Overview
QSFP-4SFP10G-CU5M is a direct attach copper cable assembly designed in a QSFP breakout format that converts a single 40G QSFP port into four independent 10G SFP channels. It supports a data rate of 10G per channel with a short-range transmission designed for intra-data center connectivity, ensuring high-speed, reliable Ethernet communications in modern enterprise networks and telecom applications.
QSFP-4SFP10G-CU5M features a compact form factor with physical dimensions optimized for high-density installations. With its approved compatibility with major networking vendors, it is ideally suited for use cases that require low latency and robust performance in data centers and campus networks. The cable’s 5-meter length ensures effective connectivity over short distances while maintaining signal integrity in critical network environments.
QSFP-4SFP10G-CU5M price is $196.00, a 75.4% saving from the Cisco list price of $796.00. QSFP-4SFP10G-CU5M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-4SFP10G-CU5M for additional pricing. Browse the full 40G Base Modules series or explore all Cisco products.
QSFP-4SFP10G-CU5M Specifications
- Product Type
- Direct Attach Copper Cable
- Form Factor
- QSFP / SFP10G
- Data Rate
- 10G (per channel, 40G aggregate)
- Connector Type
- N/A
- Wavelength
- N/A
- Transmission Distance
- Short-Range
- Fiber Type
- N/A
- Max Distance
- 5m
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- 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-CU5M
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
QSFP-4SFP10G-CU5M Use Case
High-Density 40G to 4×10G Server Uplink Breakout in Hyperscale Data Centers
Scenario: A hyperscale data center leverages the QSFP-4SFP10G-CU5M-QSFP 5m passive copper splitter cable to break out a single 40 Gbps QSFP+ port into four independent 10 Gbps SFP+ uplinks for top-of-rack servers. Outcome: Delivers ultra-high-density connectivity, reduces per-port cost by up to 40%, maintains sub-nanosecond latency, and streamlines cable management without additional optics.
Scalable Edge Router Aggregation in Telecom Points-of-Presence
Scenario: A telecommunications provider deploys the 5 m QSFP-4SFP10G-CU5M-QSFP passive copper splitter cable to connect a 40 Gbps core router to four 10 Gbps edge routers at a POP site. Outcome: Maximizes hardware utilization with 4:1 port consolidation, enables granular bandwidth segmentation, accelerates on-site deployment by 30%, and lowers CAPEX by eliminating extra transceivers.
Multi-Link Network Validation in Enterprise Test Labs
Scenario: A networking equipment vendor uses the 5 m passive copper QSFP-4SFP10G splitter cable in its lab to simulate a 40 Gbps trunk as four concurrent 10 Gbps SFP+ links across multiple devices under test. Outcome: Streamlines multi-link performance validation, reduces test cycle time by 50%, leverages existing SFP+ module inventory, and ensures full IEEE 802.3ba compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 QSFP-4SFP10G-CU5M |  QSFP-H40G-CU5M= |  QSFP-40G-LR4= |  QSFP-H40G-AOC3M= |  QSFP-4X10G-AOC1M= | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | N/A | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | N/A | QSFP | LC | QSFP | Integrated Fiber-Optic |
| Data Rate | 10G (per channel, 40G aggregate) | 40G | 40G | 40G | 40G (4x10G) |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Fiber Type | N/A | N/A | Single-mode | Multi-mode | Multi-mode |
| Form Factor | QSFP / SFP10G | QSFP | QSFP | QSFP | QSFP |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | N/A | N/A | 3.3V | 3.3V | 3.3V |
| Max Distance | 5m | 5m | 10 km | 3 m | 1 m |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | 3.2W | N/A | 2.5W |
| Product Name | QSFP-4SFP10G-CU5M | QSFP-H40G-CU5M= | QSFP-40G-LR4= | QSFP-H40G-AOC3M= | QSFP-4X10G-AOC1M= |
| Product Type | Direct Attach Copper Cable | Transceiver | 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 | Short-Range |
| Wavelength | N/A | N/A | 1310 nm | N/A | 850nm |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
I
Isla Pierce
4
Durable and easy to manage in dense rack setups.
M
Malcolm Stark
5
Stable throughput and minimal latency. Professional-grade quality.
F
Fiona Graves
3
Simplifies 40G to 10G breakout connections efficiently.
J
Julian Rowe
4
Reliable solution for enterprise short-range deployments.
Questions & Answers
What is the QSFP-4SFP10G-CU5M cable?
The QSFP-4SFP10G-CU5M is a 5-meter passive copper breakout cable that converts one QSFP+ port into four SFP+ 10 Gbps channels for data center and networking applications.
What data rates does this cable support?
This cable supports up to 40 Gbps aggregated throughput and four independent 10 Gbps links, ideal for 40 GbE to 4×10 GbE breakout scenarios.
Is the QSFP-4SFP10G-CU5M passive or active?
It is a passive copper cable that requires no external power or signal regeneration, providing a cost-effective solution for short-reach connections.
What is the maximum length of the QSFP-4SFP10G-CU5M?
The maximum supported length is 5 meters, optimized for intra-rack or adjacent-rack connectivity in data centers.