20m 40G QSFP+ to 4 x 10G SFP+ Active Optical Breakout Cable
Best high-speed breakout solution for data center rack-level connectivity.
This 20-meter (66ft) 40G QSFP+ to 4 x 10G SFP+ Active Optical Breakout Cable from FS is designed for efficient data center connectivity. It operates over Multi-Mode Fiber (MMF) and supports a data rate of 40Gbps, breaking out to four 10G SFP+ ports. This cable simplifies rack-level patching and is ideal for short-distance connections. It features a minimum bend radius of 30mm for flexible routing and is compliant with SFF-8436, SFF-8431, and SFP+ & QSFP MSA standards. The cable has a jacket rating of OFNP and operates within a temperature range of 0 to 70°C.
$159.00
Owner Satisfaction
4.6
/ 5
Category Rank
224
/ 2576
#224 in Repeaters & Transceivers
Price vs Category Average
-84%
Below average
Part Number
40420
/ QSFP-G-SAO
Who it's for
- Network engineers connecting hardware across large server rooms
- IT managers maximizing port density on existing switch hardware
- Data center technicians organizing cables in high-density racks
Who should skip it
- Users needing flexible lengths for varied equipment spacing
- Budget-conscious teams wanting modular, field-replaceable components
- Small businesses prioritizing low initial infrastructure costs
Performance breakdown
Signal Integrity
Active optical design ensures reliable data transmission over the full length.
Power Efficiency
Low power draw minimizes thermal load within high-density rack environments.
Installation Flexibility
Tight 30mm bend radius allows for clean, effortless cable management.
Compatibility Standards
Strict adherence to MSA standards guarantees seamless integration with major switches.
Deployment Speed
All-in-one breakout design eliminates the need for separate transceivers and fibers.
Safety Compliance
OFNP jacket rating meets rigorous fire safety standards for plenum spaces.
Key Specs
Part Number
QSFP-40G-4SAO20
Vendor Name
FS
Connector Type
QSFP+ to 4 SFP+
Data Rate
40Gbps
Minimum Bend Radius
30mm
Cable Length
20m (65.62ft)
Jacket Material
OFNP
Temperature
0 to 70°C (32 to 158°F)
Features
- Supports 40G to 4x 10G Ethernet interoperability
- Simplifies patching and offers a cost-effective solution for short links
- Tested in targeted switches for superior performance, quality, and reliability
- Minimum bend radius of 30mm for flexible routing
- Low power consumption: 1.4W @QSFP+, 0.8W @SFP+
What customers say
Customers consistently praise this breakout cable for its exceptional reliability and seamless integration into existing network architectures. The build quality feels premium and robust which provides peace of mind for long distance data transmission. Many users highlight the ease of use as a primary benefit because the cable works immediately upon installation without requiring complex configurations. This product represents a smart investment for those seeking a dependable solution that balances high performance with straightforward functionality. It remains a top choice for maintaining stable connections in demanding environments.
Know before you buy
This cable is designed to connect a single 40G QSFP+ port on a switch to four separate 10G SFP+ ports on servers or other network devices. It is an ideal solution for high-density rack-level patching where you need to distribute 40Gbps bandwidth across multiple 10G endpoints.
Yes. The cable features an OFNP (Optical Fiber Non-conductive Plenum) jacket, which meets strict fire safety standards for installation in air-handling spaces like drop ceilings or raised floors.
The cable is designed for flexibility with a minimum bend radius of 30mm. This allows for easier cable management and routing within crowded server racks without risking signal degradation.
No, this is an active optical cable that draws power directly from the connected ports. It consumes 1.4W at the QSFP+ end and 0.8W at each SFP+ end, making it an energy-efficient choice for data center connectivity.
Yes, the cable is compliant with SFF-8436 and SFF-8431 standards, as well as general SFP+ and QSFP MSA specifications. It is designed to work with a wide range of industry-standard switches and network interface cards.
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