AddOn QSFP28-100GB-PDAC1MLZ-J-AO 100GBase-CR4 Passive DAC Cable
The AddOn QSFP28 100GBase-CR4 passive DAC cable is engineered for data center professionals and network administrators requiring high-speed, cost-effective 100Gbps connectivity. This Mellanox compatible QSFP28 DAC cable delivers reliable short-range interconnection with zero latency, making it ideal for top-of-rack switching, server clustering, and storage area networks. At just 1 meter in length, it provides the perfect balance of flexibility and performance for dense networking environments. Built with premium 30 AWG copper conductors and QSFP28 connectors, this passive direct attach cable meets or exceeds OEM specifications while eliminating the cost and complexity of active transceivers.
Key Features
- 100GBase-CR4 protocol support for 100 Gbit/s data transfer rates
- QSFP28 connectors on both ends for universal compatibility
- Passive direct attach copper (DAC) design—no power consumption required
- 1 meter cable length optimized for short-range data center deployments
- 30 AWG conductors for superior signal integrity and performance
- Mellanox compatible and OEM-specification compliant
- InfiniBand protocol support for high-performance computing
- Cost-effective alternative to active optical modules
Technical Specifications
| Specification |
Details |
| Manufacturer |
ADD-ON |
| Part Number |
QSFP28-100GB-PDAC1MLZ-J-AO |
| Cable Type |
Passive Direct Attach Copper (DAC) |
| Protocol |
100GBase-CR4 |
| Data Rate |
100 Gbit/s |
| Connector Type |
QSFP28 (both ends) |
| Cable Length |
1 meter |
| Conductor Gauge |
30 AWG |
| Supported Protocol |
InfiniBand |
| Power Consumption |
None (passive) |
| Compliance |
OEM specification compliant |
Frequently Asked Questions
What is a QSFP28 passive DAC cable used for?
A QSFP28 passive DAC cable is used for high-speed data center interconnections, connecting switches to servers, storage arrays, and other networking equipment. It provides 100Gbps connectivity over short distances (typically up to 5 meters) without requiring active transceivers or external power.
Is the AddOn QSFP28-100GB-PDAC1MLZ-J-AO compatible with Mellanox equipment?
Yes, this cable is Mellanox compatible and designed to work seamlessly with Mellanox switches, NICs, and other networking infrastructure. It meets OEM specifications for reliable performance in enterprise environments.
What are the advantages of passive DAC cables over active optical modules?
Passive DAC cables offer significant cost savings, lower power consumption, zero latency, and simpler deployment compared to active optical transceivers. They are ideal for short-range connections in data centers where distance requirements are under 5 meters.
What cable length is the QSFP28-100GB-PDAC1MLZ-J-AO?
This model features a 1 meter cable length, making it suitable for compact rack configurations and short-distance interconnections between adjacent equipment in data center environments.
