S1J07A HPE Aruba Networking 50G QSFP56 TO SFP56 0.65M DAC Cable

The HPE S1J07A Aruba Networking 50G QSFP56 to SFP56 0.65M Direct Attach Cable (DAC) is engineered for enterprises, cloud data centers, and high-performance computing environments seeking dependable high-speed interconnects. Designed by HPE and Aruba, this DAC cable ensures superior bandwidth, low power consumption, and seamless plug-and-play integration for networking infrastructures requiring efficient short-range connectivity.

Main Characteristics and Advantages

• 50 Gigabit performance: Optimized for demanding workloads and next-generation networking.
• QSFP56 to SFP56 interface: Ensures compatibility with a broad range of switches and servers.
• Short length: 0.65 meters, ideal for rack-to-rack deployments with limited space.
• Cost-effective choice: More affordable than optical modules for short-distance connections.
• Energy-saving design: Requires significantly less power than fiber optic links.
• Strong build quality: Shielded Cable conductors provide reliable data transfer with minimal interference.

Technical Details

General Specifications

• Part number: HPE S1J07A
• Cable type: Direct Attach Cable(DAC)
• Connector ends: QSFP56 (male) to SFP56 (male)
• Cable length: 0.65 meters
• Data rate: Up to 50Gbps

Performance Attributes

• High bandwidth support: Designed to handle virtualization, cloud workloads, and large-scale data transfers.
• Low latency design: Cable direct connection minimizes delays.
• Signal reliability: Reduced crosstalk with shielded construction.
• Environmentally efficient: Consumes less energy compared to optical fiber solutions.

Deployment Scenarios

The HPE S1J07A DAC cable is suitable for high-density networking where performance, efficiency, and space optimization are critical. Common applications include:

• Top-of-rack switch to server connections in modern data centers.
• Switch-to-switch interconnects for short-range high-speed links.
• Cloud-based infrastructure requiring fast data transfer.
• Enterprise networking upgrades to 50G capacity.
• High-frequency trading and analytics requiring ultra-low latency.

Compatible Hardware

• Aruba and HPE switches with QSFP56 and SFP56 slots
• Servers and NICs equipped with SFP56 modules
• Networking appliances supporting 50G data transmission

Benefits of Direct Attach Cable (DAC) Technology

Affordable Connectivity

Direct Attach Cable offer the same data speeds as optical transceivers but at a fraction of the cost, especially for short-distance connections within racks or adjacent racks.

Dependable Performance

With fewer electronic components than fiber optics, DAC cables ensure a more straightforward, durable, and predictable networking experience. They provide enhanced signal stability and consistent throughput.

DAC Cable Advantages

• Lower investment and operational expenses
• Fewer points of failure compared to optical solutions
• Simple setup with plug-and-play functionality
• Minimal delay for time-sensitive applications

Main Characteristics of the HPE S1J07A DAC Cable

• Supports up to 50Gbps Ethernet connectivity.
• Passive design with low power consumption.
• Compact 0.65-meter length for close-range interconnections.
• QSFP56 to SFP56 interface compatibility for mixed-port environments.
• Reliable signal integrity with advanced shielding.
• Engineered for Aruba switches, servers, and compatible devices.

Design and Build Quality

The cable is manufactured with durable materials that ensure longevity and consistent performance in demanding data environments. The twinax cable construction minimizes latency while maintaining excellent electrical properties. Its compact 0.65m length makes it ideal for top-of-rack and middle-of-rack deployments, avoiding cable clutter while optimizing airflow in server cabinets.

Shielding and Reliability

To ensure secure and uninterrupted data transfer, the HPE S1J07A DAC features advanced shielding that protects against electromagnetic interference (EMI) and radio-frequency interference (RFI). This ensures a high level of signal integrity even in dense networking environments.

Flexibility and Ease of Deployment

With its plug-and-play functionality, the DAC simplifies deployment without requiring additional configuration. Its flexibility allows network administrators to make quick and efficient connections between switches and servers while maintaining stability and reliability.

Performance Advantages

The HPE S1J07A Aruba 50G DAC is designed to maximize bandwidth utilization and minimize latency, ensuring smooth data flow across modern workloads such as virtualization, cloud computing, artificial intelligence, and machine learning applications.

Low Latency Connectivity

Since DACs are passive cable -based solutions, they provide near-zero latency performance, making them perfect for environments where speed is critical. This is particularly beneficial for financial services, real-time analytics, and high-frequency trading networks.

Energy Efficiency

Unlike active optical cables (AOCs), the passive design of this DAC consumes negligible power, contributing to overall energy savings in large-scale data centers. This makes it an environmentally friendly choice for enterprises aiming to reduce operational costs.

Use Cases of HPE S1J07A Aruba 50G QSFP56 to SFP56 DAC Cable

• Top-of-rack (ToR) and middle-of-rack (MoR) server-to-switch connections.
• High-performance computing clusters.
• Storage area network (SAN) interconnections.
• Cloud service provider networks requiring high-throughput interconnects.
• Campus and enterprise core-to-access connectivity.

Compatibility and Ecosystem Integration

Designed for seamless integration with HPE Aruba switches and servers, the S1J07A DAC also works with compatible QSFP56 and SFP56 ports across multi-vendor environments. This ensures flexibility for enterprises that operate mixed-brand infrastructures while retaining performance efficiency.

Backward Compatibility

While optimized for 50G Ethernet, the cable may also support interoperability with lower-speed configurations depending on device compatibility, enabling gradual upgrades without complete infrastructure replacement.

Vendor Assurance

Purchasing genuine HPE Aruba DAC cables ensures full vendor support, firmware compatibility, and adherence to warranty policies, which can be critical for mission-critical enterprise operations.

Scalability and Future-Proofing

The 50G speed capability of the HPE S1J07A DAC aligns with the growing demand for higher data throughput in enterprise and cloud computing. As businesses adopt next-generation workloads, having a scalable interconnect solution ensures a smooth transition without disruptive infrastructure changes.