OptoSpan 40G QSFP+ to 4xSFP+ DAC Breakout Cable 4m Compatible with Juniper
Best breakout cable for high-density data center network connectivity.
This OptoSpan 5-meter Direct Attach Copper (DAC) cable provides a high-performance, cost-effective solution for network device interconnectivity. Engineered as a compatible replacement for the Juniper QFX-QSFP-DACBO-5M, it enables seamless 40G to 10G breakouts. Featuring a QSFP+ connector on one end and four SFP+ connectors on the other, it ensures four independent data channels. Manufactured with premium components and high-quality PVC, it adheres to QSFP+ MSA and TAA standards, guaranteeing reliable performance in data centers and server environments requiring short-reach 40 Gigabit Ethernet connectivity. This dependable cable is backed by a 10-year limited warranty.
$158.25
Owner Satisfaction
4.7
/ 5
Category Rank
74
/ 6543
#74 in Network Cables
Price vs Category Average
-56%
Below average
Reach
5
/ Meter
Who it's for
- Juniper infrastructure teams requiring reliable, plug-and-play hardware integration
- Network administrators maximizing port density in high-capacity switches
- Budget-conscious IT managers seeking affordable short-range connectivity
Who should skip it
- Engineers planning connections between separate or distant server racks
- Technicians managing airflow and organization in densely packed racks
- Support teams prioritizing seamless vendor-backed troubleshooting and maintenance
Performance breakdown
Compatibility Assurance
Engineered for seamless integration with Juniper hardware environments.
Signal Integrity
Passive copper design ensures reliable, low-latency data transmission.
Build Durability
Robust PVC jacket provides essential protection for high-density server racks.
Power Efficiency
Negligible power draw minimizes thermal output in dense data centers.
Breakout Versatility
Efficiently splits 40G bandwidth into four distinct 10G channels.
Long-term Reliability
Ten-year warranty reflects high confidence in component longevity.
Key Specs
Reach
5 Meter
Type
QSFP+ to 4xSFP+ DAC
Mode
Copper
Bandwidth
40G
Maximum aggregate data rate
40 Gb/s
Conductor Material
Copper
Certifications
QSFP+ MSA, TAA
Low power consumption
0.02 W (typ.)
Features
- Enables 40G to 10G breakout connections
- Supports 10/40 Gigabit Ethernet
- Tested for 100% compliance
- Designed for high-density data centers
- 4-Channel Full-Duplex Passive Copper
- Supports Fiber Channel applications
- Individually serialized for tracking
- Durable PVC jacket material
What customers say
This OptoSpan breakout cable excels in reliability and overall value. Users praise its immediate plug and play compatibility with Juniper networking gear, avoiding common configuration issues found with other third party options. The performance rivals costly original equipment manufacturer parts. This makes the cable an intelligent, budget conscious selection for expanding 40G infrastructure while maintaining high quality standards. It delivers dependable results efficiently.
Know before you buy
Yes, this cable is specifically engineered as a compatible replacement for the Juniper QFX-QSFP-DACBO-5M, ensuring it integrates seamlessly with your existing Juniper infrastructure.
This cable is designed to split a single 40G QSFP+ port into four independent 10G SFP+ channels. It is ideal for high-density data centers where you need to connect a 40G switch port to multiple 10G-enabled servers or switches.
No, this is a passive copper DAC cable. It features extremely low power consumption of approximately 0.02W and draws all necessary power directly from the connected network ports.
Yes, this cable supports Fiber Channel applications in addition to standard 10/40 Gigabit Ethernet, providing versatility for various storage and networking environments.
This specific model has a length of 5 meters (approximately 16.4 feet). Because it is a passive copper cable, it is best suited for short-reach connections within the same rack or adjacent racks.
Every cable is individually serialized for tracking and tested for 100% compliance with QSFP+ MSA and TAA standards to ensure reliable performance and signal integrity.
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