IBM Compatible 40G QSFP+ DAC Direct Attach Cable 5m
Best high-speed connectivity solution for data center network administrators.
Experience high-speed data center connectivity with this 5-meter QSFP+ Direct Attach Cable from OptoSpan. Designed for 40Gbps aggregate data rates, it offers a cost-effective copper alternative to optical modules. This cable ensures reliable, error-free point-to-point transmission and is fully compatible with Mellanox hardware. Manufactured with premium components and rigorously tested, it meets QSFP MSA and TAA standards, featuring low power consumption for efficient operation in demanding environments.
$122.00
Owner Satisfaction
4.7
/ 5
Category Rank
74
/ 6543
#74 in Network Cables
Price vs Category Average
-66%
Below average
Length
516.4
/ m ( feet)
Who it's for
- System administrators needing seamless IBM hardware integration
- Budget-conscious IT managers seeking high-speed connectivity
- Engineers prioritizing low-latency performance for data centers
Who should skip it
- Technicians managing airflow in densely packed server racks
- Network architects requiring flexible reach across large server rooms
- Businesses planning future upgrades to higher network speeds
Performance breakdown
Data Throughput
Handles 40Gbps aggregate rates with consistent, high-speed reliability.
Hardware Compatibility
Seamless integration with Mellanox systems ensures plug-and-play connectivity.
Energy Efficiency
Passive copper design minimizes power draw in dense data environments.
Build Durability
Stranded copper construction provides robust flexibility for complex cable management.
Standard Compliance
Rigorous adherence to QSFP MSA and TAA standards guarantees performance.
Long-term Reliability
Ten-year warranty reflects confidence in high-quality internal components.
Key Specs
Length
5m (16.4 feet)
Data Rate
40 Gbps
Cable Type
Direct Attach Cable (DAC)
Conductor Material
Copper
Connector Type
QSFP+
Compatibility
Mellanox, InfiniBand4x, Fiber Channel, SAS
Certifications
QSFP MSA, TAA
Warranty
10-year limited
Features
- Supports 10/40 Gigabit Ethernet speeds
- Ideal for data center connectivity
- 4-Channel Full-Duplex Passive Copper design
- Low power consumption
- Guaranteed Mellanox hardware compatibility
- Supports Fiber Channel and InfiniBand
- Cost-effective copper alternative
- I2C serial interface for management
What customers say
Users consistently highlight the OptoSpan DAC cable's exceptional reliability in demanding data center environments. It performs flawlessly, maintaining high speed connections without the errors often seen with other third party hardware. The core strength is its outstanding value. This cable delivers enterprise grade performance and compatibility, including with IBM systems, while costing significantly less than original equipment manufacturer alternatives. It is recognized as a smart, efficient choice for network upgrades due to this excellent balance of quality and affordability.
Know before you buy
Yes, this OptoSpan cable is specifically engineered for guaranteed compatibility with Mellanox hardware, as well as InfiniBand, Fiber Channel, and SAS environments.
This cable supports aggregate data rates of up to 40 Gbps, making it suitable for high-speed 10/40 Gigabit Ethernet applications.
A passive copper Direct Attach Cable is a more cost-effective solution for short-reach connections within a rack or between adjacent racks. It also features significantly lower power consumption compared to active optical modules.
No, this is a passive cable that functions as a plug-and-play solution. It includes an I2C serial interface for standard management and monitoring by your network equipment.
OptoSpan provides a 10-year limited warranty on this cable, ensuring long-term reliability and peace of mind for your data center infrastructure.
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