Part Number: PM8055B-FEI

Manufacturer: Microchip Technology

Description: Interface – I/O Expanders SXP 48x12G

Shipped from: Shenzhen/HK Warehouse

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The PM8055B-FEI SAS expander is a shining example of cutting-edge technology in the ever-changing world of data storage. It changes the way we add and handle Serial Attached SCSI (SAS) connections. As the need for data continues to grow, it has never been more important to find storage options that are both efficient and scalable. The PM8055B-FEI SAS expander steps up as a high-performance piece of hardware that was made to meet these needs head-on.

Imagine a part that not only makes your storage system more connected, but also improves data flow, makes management easier, and makes sure it will still work in the future. Exactly this is what the PM8055B-FEI SAS amplifier gives you.

Key Features that Set the PM8055B-FEI SAS Expander Apart

  • Blazing Data Rate: The PM8055B-FEI SAS expander starts a new era of blazingly fast data transfer with a data rate of 12 Gbps. This increase in speed lets storage systems keep up with the most data-intensive jobs, such as streaming high-resolution media or doing analytics in real-time.
  • Unprecedented Number of Ports: With a whopping 48 ports, this extender is a strong way to connect a wide range of devices. The PM8055B-FEI SAS expander meets all of your connectivity needs, no matter if you’re working in a complex data center or a large-scale enterprise setting.
  • SAS-3 T10 Zoning: Adding SAS-3 T10 zoning gives administrators the ability to handle SAS connections more precisely. Zoning lets devices be put into logical groups, which improves data flow and security by separating certain devices from others and making the system more stable as a whole.
  • Self-Configuration: Imagine a setup process in which the expander automatically sets itself up based on the devices that are attached to it. The self-configuration feature of the PM8055B-FEI SAS expansion makes manual setup easier and saves time and reduces the chance of mistakes.
  • Table-to-Table Routing: The table-to-table routing function makes it much easier to send data from one table to another. This dynamic routing mechanism optimizes the paths that data takes, which improves the general performance of the system and reduces bottlenecks.
  • Integrated MIPS Processor: At the core of the expander is an integrated MIPS processor, which gives enclosure control the power of intelligence. With SCSI Enclosure Services (SES) support, this processor makes it easier to watch and control connected enclosures, making sure they are healthy and working at their best.

Understanding PM8055B-FEI SAS Expander

In the realm of modern data storage systems, the PM8055B-FEI SAS expander emerges as a pivotal component that orchestrates the symphony of connectivity, efficiency, and scalability. At its core, the PM8055B-FEI SAS expander is a sophisticated hardware unit designed to address the challenges posed by the relentless growth of data in today’s digital landscape.

● Role in Modern Data Storage Systems

Data storage systems, like corporate data centers and cloud infrastructure, depend on how well different devices and storage units work together. This complicated interaction needs not only better connections, but also better data routing, better control, and the ability to grow in the future. Here is where the PM8055B-FEI SAS expander is in the spotlight.

The expander acts as a center hub that makes it possible to add more Serial Attached SCSI (SAS) connections. This lets devices like hard drives, SSDs, and other storage units talk to each other without any problems. It does more than just connect devices; it also acts as a traffic cop, making sure that data flows smoothly, preventing bottlenecks, and improving total system performance.

● Enhancing Storage Infrastructure

In the past, it was hard to add a lot of devices to a storage system because the number of ports on a host or controller was limited. But as the need for data increased, this method became less and less useful. This problem is solved by SAS expanders like the PM8055B-FEI, which work as middlemen to let more than one device connect to a smaller number of host or controller ports.

Imagine a data center with many hard drives, SSDs, and other storage devices. Each of these units needs its own link to the host, which would use up the ports quickly. This is where the SAS expander comes in, which is a clever way to solve the problem. By connecting to a limited number of host or controller ports, the expander works as a gateway to a wide range of devices. This makes it possible to make good use of the ports that are available, essentially increasing the number of connections that the whole system can handle.

The PM8055B-FEI SAS expander improves the storage infrastructure by adding more ports for devices and improving data flow with features like SAS-3 T10 zoning, self-configuration, and table-to-table routing. It turns a web of links that could be hard to understand into an organized network that sends data where it needs to go quickly and reliably.

In a nutshell, the PM8055B-FEI SAS expander is an important link between the growing needs for storage space, speed, and ease of use. It makes sure that current data storage systems can handle the flood of data well and paves the way for future improvements to scalability and performance.

Advantages and Use Cases of PM8055B-FEI SAS Expander

  • Scalability:The 48 ports and the ability to zone make growth easier with the PM8055B-FEI SAS expander. When new devices are added to the system, zoning makes sure they work well together and keep the system safe, making it easy to grow.
  • Performance:With a fast data rate of 12 Gbps, the expansion speeds up the way data moves. This improvement is perfect for demanding jobs like real-time analytics and high-throughput media streaming, making the system more responsive.
  • Management:SCSI Enclosure Services (SES) and the built-in MIPS processor make it easy to handle enclosures. It makes proactive monitoring possible, ensuring the health of components, their uptime, and the general reliability of the system.

Real-World Use Cases

  1. Data Centers:The expander’s scalability and performance suit data centers, ensuring smooth operations even with intense workloads, and contributing to high-speed data transfers.
  2. Enterprise Storage Systems:Enterprises benefit from the expander’s ability to manage diverse applications efficiently, minimizing downtime, and enhancing productivity.
  3. High-Capacity Storage Arrays:Supporting easy scaling and rapid data transfers, the expander optimizes performance in high-capacity storage arrays.

In these scenarios, the PM8055B-FEI SAS expander proves its worth, revolutionizing storage infrastructure across diverse settings.


As we come to the end of our look, it becomes clear how important the PM8055B-FEI SAS expander is in modern storage systems. It’s not just a part; it’s a change agent that turns difficult problems into easy-to-handle solutions and moves storage systems into environments that are fast, highly scalable, and intelligently controlled. The PM8055B-FEI SAS expansion is the first step toward a new era of great storage.

We encourage you to get in touch with ICRFQ to learn more about what this unique device can do and to place your order. As China’s top seller of electronic components, ICRFQ is ready to give you full information and easy ways to buy what you need. Start your journey to better connectivity today with the help of the PM8055B-FEI.

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Kevin Chen