Name: 845406-B21 HP 100GbE QSFP28 to QSFP28 3m Direct Attach Copper Cable
Brand: HP
SKU: 845406-B21
Price: 224.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HP 845406-B21 100Gb QSFP28 to QSFP28 direct attach cable connects two compatible network devices directly without transceivers, offering high-speed data transfer over a short 3-meter distance. It fits well in data centers and enterprise environments where efficient, low-latency connections support demanding network traffic.

General Information
Brand	HP

Technical Information
Data Rate	100 Gbps, 4x25 Gbps
Cable Length	3 m (9.84 ft)
Compatibility	QSFP28 ports, HPE/HP switches and servers with QSFP28 (100Gb) ports, QSFP-compatible NICs and adapters
product type	Passive Direct Attach Copper Cable (DAC)
Product Category	Cables & Adapters, Cables

Connectivity
Connector Type	QSFP28 to QSFP28

Physical Characteristics
Form Factor	QSFP28
Weight	5.00
Condition	Refurbished

Product Description
This 100Gb QSFP28 to QSFP28 direct attach cable provides a reliable way to connect compatible network devices over short distances. It's commonly used in data centers and enterprise environments where high throughput is necessary between switches, servers, or storage units. Built for network administrators and IT professionals, the cable offers straightforward connectivity without the need for additional transceivers. Its 3-meter length helps accommodate rack layouts and equipment spacing efficiently. Key Features Delivers 100Gbps data rate with QSFP28 connectors on both ends 3 meters long, allowing flexible device placement Designed to minimize latency in high-performance networks Plug-and-play compatibility with HP switches and servers Durable construction for consistent signal quality This cable is often found in high-density data center racks where quick, reliable connections are essential. It simplifies cabling while maintaining performance, making it a practical choice for upgrading or expanding 100Gb network setups.

Use Cases
The HP 845406-B21 100GbE QSFP28 to QSFP28 direct attach copper cable is primarily deployed in high-performance data center and enterprise network environments requiring low-latency, high-throughput connections. This cable is well-suited for scenarios where short-range, direct device-to-device connectivity between switches or servers is essential for optimizing network performance. How It's Used: Connecting top-of-rack switches within data centers to enable fast aggregation of server traffic. Linking high-speed storage clusters where minimizing latency is critical for data access and replication. Interconnecting network devices in virtualization environments that demand rapid data throughput for VM migration and SDN operations. Establishing high-bandwidth links between enterprise core switches to support intensive workload processing. Facilitating edge computing deployments where compact and direct cabling reduces signal loss and physical complexity. This HP direct attach cable supports efficient data transmission and scalability by enabling reliable short-distance connections without additional transceivers. Its utilization helps maintain streamlined network architectures while supporting demanding traffic loads in mission-critical infrastructures.

845406-B21 HP 100GbE QSFP28 to QSFP28 3m Direct Attach Copper Cable

Product Overview

General Information

Technical Information

Connectivity

Physical Characteristics

Product Description

Use Cases