United States$5,000,000+
Inventory Delivered By
A
Adeline Morse
5
1m copper splitter delivers stable performance across all four SFP+ endpoints.
QSFP-4SFP10G-CU1M
Original Stock
Ready to Ship
QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m
FEATURED DEAL
Name:
QSFP-4SFP10G-CU1M
- Description:
- QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 6920702752561
- Condition:
- Warranty:
- 3
- List Price:
$1,000.00
- Price:
$171.0082.9% off
Quantity:
1
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
QSFP-4SFP10G-CU1M Overview
QSFP-4SFP10G-CU1M is a QSFP+ breakout direct attach copper cable assembly that converts a QSFP+ port into four independent 10G SFP+ channels. Designed for high-speed, short-range connectivity, this cable supports 10G Ethernet deployments in data centers, enterprise networks, and telecom environments while offering a compact form factor for easy integration into existing systems.
QSFP-4SFP10G-CU1M features a fixed 1-meter length optimized for low-latency, reliable performance over copper interconnects. Engineered to meet strict physical dimensions and industry standards, this cable assembly utilizes QSFP+ and SFP+ connectors to ensure compatibility with major vendors such as Cisco, Juniper, Huawei, and Arista, making it a versatile solution for modern network deployments.
QSFP-4SFP10G-CU1M price is $171.00, a 82.9% saving from the Cisco list price of $1,000.00. QSFP-4SFP10G-CU1M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-4SFP10G-CU1M for additional pricing. Browse the full 40G Base Modules series or explore all Cisco products.
QSFP-4SFP10G-CU1M Specifications
- Product Type
- Direct Attach Copper Cable
- Form Factor
- QSFP-to-SFP+ Breakout Cable
- Data Rate
- 10G
- Connector Type
- QSFP+ / SFP+
- Wavelength
- N/A
- Transmission Distance
- Short-Range
- Fiber Type
- N/A
- Max Distance
- 1 meter
- 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-CU1M
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
QSFP-4SFP10G-CU1M Use Case
High-Density Storage Uplink Consolidation
In hyperscale data centers, network engineers deploy the QSFP-4SFP10G-CU1M-QSFP 4xSFP10G passive copper splitter cable, 1m to convert a 40 Gbps QSFP+ spine port into four 10 Gbps SFP+ links for legacy storage arrays. This eliminates the need for additional optics, reduces capital expenditure by up to 30%, and streamlines cable management while preserving wire-speed performance and ultra-low latency.
Ultra-Low-Latency Trading Network Segmentation
In financial services trading floors, IT teams use the QSFP-4SFP10G-CU1M-QSFP 4xSFP10G passive copper splitter cable, 1m to split a single 40 Gbps feed into four dedicated 10 Gbps channels for execution engines and risk-management servers. This plug-and-play solution delivers sub-1 µs latency, ensures deterministic performance, and reduces rack density, supporting compliance with stringent market-making requirements.
Enterprise Campus Switch Uplink Optimization
For large corporate campuses upgrading to 40 Gbps core switches, network architects implement the QSFP-4SFP10G-CU1M-QSFP 4xSFP10G passive copper splitter cable, 1m to leverage existing 10 Gbps edge switches. This approach avoids costly module swaps, accelerates deployment by 50%, and optimizes port utilization, delivering robust bandwidth aggregation with zero additional power draw.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QSFP-4SFP10G-CU1M |  QSFP-H40G-AOC2M |  QSFP-4X10G-LR-S |  QSFP-H40G-AOC20M= |  QSFP-40G-SR4-S= | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | QSFP+ / SFP+ | QSFP Direct Attach | LC | MPO | MPO |
| Data Rate | 10G | 40G | 10G per channel (4 channels, 40G aggregate) | 40G | 40G |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Fiber Type | N/A | Multi-mode | Single-mode | Multi-mode | Multi-mode |
| Form Factor | QSFP-to-SFP+ Breakout Cable | QSFP | QSFP | QSFP | QSFP |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 1 meter | 2 meters | 10 km | 20m | 70-100 meters |
| Network Interface | Copper | Ethernet | Ethernet | 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 | N/A | N/A | 4.0W |
| Product Name | QSFP-4SFP10G-CU1M | QSFP-H40G-AOC2M | QSFP-4X10G-LR-S | QSFP-H40G-AOC20M= | QSFP-40G-SR4-S= |
| 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 | 850nm | 1310 nm | 850nm | 850 nm |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
T
Trevor Shaw
4
Easy to manage and install in tight racks.
N
Nina Carter
5
Reliable short-range solution for 40G breakout needs.
D
Derek Blake
4
Durable and professional-grade copper splitter cable.
S
Selena York
5
Consistent throughput with minimal latency in dense environments.
Questions & Answers
What is the QSFP-4SFP10G-CU1M cable?
The QSFP-4SFP10G-CU1M is a 1 meter passive copper breakout cable that splits a single 40 Gbps QSFP+ port into four independent 10 Gbps SFP+ ports.
What are the main features of the QSFP-4SFP10G-CU1M cable?
Key features include 40 Gbps to 4×10 Gbps passive breakout, 1 m length, AWG30 copper conductors, hot-pluggable QSFP+ and SFP+ connectors, and compliance with SFF-8436/SFF-8431.
How does the QSFP to 4×SFP10G passive copper splitter cable work?
It uses internal copper wiring to passively divide a single QSFP+ 40 Gbps signal into four separate SFP+ 10 Gbps links without active electronics or signal regeneration.
Which devices are compatible with QSFP-4SFP10G-CU1M?
The QSFP-4SFP10G-CU1M is compatible with switches, routers, servers, and NICs featuring QSFP+ or SFP+ ports that support DAC and SMBus management.
Is the QSFP-4SFP10G-CU1M cable hot-pluggable?
Yes, it supports hot-plug operation, allowing you to insert or remove the QSFP+ and SFP+ connectors without powering down your equipment.
What is the supported length of the QSFP to SFP10G copper cable?
The cable is fixed at 1 meter, optimized for short-reach, in-rack connections between adjacent network devices.
Does the QSFP-4SFP10G-CU1M require external power?
No, as a passive DAC cable it draws power directly through the host ports and does not need an external power source.
What are the benefits of using a passive copper breakout cable?
Passive copper breakout cables offer low latency, minimal power consumption, lower cost compared to optical solutions, and simplified 40 G to 10 G port expansion.
How do I install the QSFP-4SFP10G-CU1M splitter cable?
Insert the QSFP+ connector into your 40 Gbps port, then plug each of the four SFP+ connectors into the corresponding 10 Gbps ports until they click into place.
What standards and protocols does the QSFP-4SFP10G-CU1M support?
It complies with IEEE 802.3ba for 40 GbE, SFF-8436 for QSFP+, and SFF-8431 for SFP+ interfaces, ensuring broad interoperability.
Can the QSFP-4SFP10G-CU1M handle 40 Gbps to 4×10 Gbps breakout?
Yes, it supports a full 40 Gbps QSFP+ input broken out into four individual 10 Gbps SFP+ channels.
What operating temperature range does the QSFP-4SFP10G-CU1M support?
The cable operates reliably in environments from 0 °C to 70 °C, suitable for standard data centers and enterprise racks.
Is the cable vendor-neutral and compatible with major brands?
Yes, the QSFP-4SFP10G-CU1M is vendor-agnostic and interoperates with major manufacturers such as Cisco, Juniper, Arista, Dell EMC, and more.
What is the cable gauge and construction of the QSFP-4SFP10G-CU1M?
The cable uses 30 AWG stranded copper conductors within a durable PVC jacket for flexibility and robust in-rack performance.
Does the QSFP-4SFP10G-CU1M provide full-duplex data transmission?
Yes, each SFP+ channel supports full-duplex 10 Gbps transmission, allowing simultaneous bidirectional data flow.
What warranty is provided for the QSFP-4SFP10G-CU1M cable?
This cable includes a one-year limited warranty covering manufacturing defects and performance compliance.