Name: 845416-B21 HP 100GbE QSFP28 to 4x25GbE SFP28 3m DAC Cable
Brand: HP
SKU: 845416-B21
Price: 208.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 845416-B21 HP 100GbE QSFP28 to 4x25GbE SFP28 3m Direct Attach Copper Cable acts as a high-speed splitter cable that converts one 100GbE QSFP28 port into four separate 25GbE connections. It fits into data center setups where multiple 25GbE devices need to connect efficiently through a single 100GbE uplink, offering a straightforward and reliable cabling solution without the need for optical transceivers.

General Information
Brand	HP

Physical Characteristics
Weight	5.00
Condition	Refurbished

Product Description
This 100GbE QSFP28 to 4x25GbE SFP28 direct attach cable splits a single QSFP28 port into four separate 25GbE links. It's commonly used in high-performance computing and data center environments where multiple 25GbE devices need to connect to a 100GbE switch port without additional transceivers. Built for network engineers and IT professionals managing scalable infrastructure, the cable simplifies cabling setups and reduces cost by eliminating the need for optical modules. It often finds its place in top-of-rack switches or server connections demanding reliable, high-speed data transmission. Key Features Supports aggregated 100GbE bandwidth across four 25GbE lanes Provides a compact 3-meter copper cable length ideal for rack setups Compatible with HP and industry-standard QSFP28 and SFP28 ports Delivers low-latency connections suited for demanding network traffic Plug-and-play design reduces installation complexity and downtime The cable is typically deployed in data centers linking high-speed switches to multiple servers or storage units. Its design helps maintain efficient network segmentation and traffic management without extra hardware. Using this direct attach copper cable can streamline your cabling infrastructure while ensuring solid performance for mission-critical applications.

Use Cases
The 845416-B21 HP 100GbE QSFP28 to 4x25GbE SFP28 3m DAC Cable is commonly deployed in high-density data center environments where bandwidth segmentation and port consolidation are critical. It supports network architects and system administrators managing scalable server clusters or storage arrays that require multiple 25GbE links aggregated through a single 100GbE uplink. How It's Used: Facilitating connectivity in virtualization environments by splitting a 100GbE uplink into four 25GbE server connections to optimize resource allocation. Deploying in enterprise IT rack setups where space and cabling efficiency are essential for connecting multiple 25GbE switches to a single 100GbE core switch. Enabling high-throughput storage clusters to utilize multiple 25GbE ports for parallel data transfer via a consolidated 100GbE interface. Supporting edge computing nodes requiring segmented 25GbE links from a centralized 100GbE backbone for distributed processing tasks. Integrating into hyperscale data centers to reduce optical transceiver costs and complexity by using direct attach copper for short-range, high-speed connections. This cable streamlines infrastructure by reducing port congestion and cabling complexity, enhancing network scalability and operational efficiency. Its design aligns with environments that demand low-latency, high-bandwidth interconnections without the overhead of optical components.

845416-B21 HP 100GbE QSFP28 to 4x25GbE SFP28 3m DAC Cable

Product Overview

General Information

Physical Characteristics

Product Description

Use Cases