Dell 405-AAMZ Ports 2 Controller
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Dell 405-AAMZ Perc H840 SAS/SATA Raid Adapter with 4GB NV Bulk

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Part Number#: 405-AAMZ
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Short Description:
405-AAMZ Perc H840 Serial-Attached SCSI (SAS) Serial Advanced Technology Attachment (SATA) Raid Adapter with 4 Gigabyte(GB) Non-Volatile (NV) Cache Full Height (FH) | Made by Dell | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

Product Details of the Dell SAS/SATA Raid Adapter

In the ever-evolving landscape of data storage, businesses and enterprises seek reliable and efficient solutions to manage their vast amounts of information. The Dell 405-AAMZ Perc H840 SAS/SATA RAID Adapter emerges as a powerful contender, offering enhanced storage capabilities through its innovative features and cutting-edge technology. This detailed exploration aims to shed light on the intricacies of this RAID adapter, focusing on its specifications, benefits, and the impact it can have on storage infrastructure.

Understanding RAID Technology


RAID, or Redundant Array of Independent Disks, is a storage technology that combines multiple disk drive components into a logical unit for data redundancy, performance improvement, or both. RAID configurations come in various levels, each with its own advantages and trade-offs.

SAS/SATA Integration

The Dell 405-AAMZ Perc H840 is designed to support both SAS/SATA (Serial Attached SCSI) and SATA (Serial ATA) drives. This integration provides flexibility, allowing users to leverage the benefits of either technology based on their specific requirements, whether it be speed, capacity, or cost-effectiveness.

Perc H840 in Focus

Architecture and Components

The Perc H840 features a robust architecture designed to optimize storage performance. With a 4GB NV (Non-Volatile) Cache, this RAID adapter enhances data transfer speeds and ensures quick access to frequently used data.

FH Form Factor

The "FH" in the product name stands for Full Height, indicating the physical size and shape of the adapter. The Full Height form factor is commonly used in server environments, providing a secure and space-efficient integration within server chassis.

NV Cache: The Powerhouse Behind Performance

The inclusion of a 4GB Non-Volatile Cache is a standout feature of the Perc H840. This cache acts as a high-speed buffer, storing frequently accessed data and significantly reducing latency. The non-volatile nature ensures that data is retained even in the event of a power loss, contributing to data integrity and system reliability.

Key Features

RAID Levels Support

The Perc H840 supports a range of RAID levels, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and more. This flexibility enables users to tailor their storage configurations based on their specific needs for performance, redundancy, or a combination of both.

Data Protection and Redundancy

One of the primary functions of RAID technology is data protection. The Perc H840 excels in this aspect by providing redundancy through mirroring or parity. In the event of a disk failure, data remains accessible and intact, minimizing the risk of data loss.

Hot-Swappable Drives

The hot-swappable drive feature allows users to replace or add drives without shutting down the system. This capability enhances system uptime and reduces the need for downtime during maintenance or upgrades.

RAID Software

Dell offers intuitive RAID management software that simplifies the configuration and monitoring of the Perc H840. This user-friendly interface empowers administrators to efficiently manage storage arrays, perform diagnostics, and receive real-time notifications about the health of the storage infrastructure.

Benefits and Advantages

Improved Performance

The Perc H840's NV Cache significantly boosts data transfer speeds, leading to improved overall system performance. This is particularly crucial in high-demand environments where quick access to data is paramount.

Enhanced Reliability

The combination of RAID technology and the Non-Volatile Cache ensures a high level of data integrity and system reliability. This is essential for businesses that cannot afford data loss or system downtime.


The versatility of RAID levels supported by the Perc H840 allows for scalability. Businesses can start with a basic configuration and expand as their storage needs grow, providing a cost-effective solution for evolving data storage requirements.

Use Cases

Enterprise Data Centers

In large-scale data centers, where the demand for storage performance and reliability is critical, the Perc H840 finds its stride. Its ability to support various RAID levels and hot-swappable drives makes it an ideal choice for enterprise-level storage solutions.

Business Servers

Small to medium-sized businesses can benefit from the scalability and reliability of the Perc H840. Its Height form factor makes it suitable for server environments, and the RAID management software simplifies day-to-day operations.

High-Performance Computing

In environments where high-performance computing is a necessity, the Perc H840's NV Cache comes into play, providing the necessary acceleration for data-intensive tasks. This makes it a valuable asset in scientific research, financial modeling, and other HPC applications.

Advantages of Choosing the Dell 405-AAMZ Perc H840

Now that we've explored the technical specifications, it's crucial to understand the practical advantages that the Dell 405-AAMZ Perc H840 brings to users and IT professionals.

Performance Boost

The inclusion of a 4GB NV Cache significantly enhances the read and write speeds of the storage system. This is particularly beneficial for applications and workloads that demand high data transfer rates.

Flexibility in Storage

With support for multiple RAID levels, users have the flexibility to configure the storage system according to their specific requirements. Whether prioritizing performance or redundancy, the H840 offers a solution.

Reliability and Data

RAID technology inherently provides data protection through redundancy. In the event of drive failure, data remains accessible, ensuring business continuity and minimizing the risk of data loss.

Compatibility with Dell Ecosystem

The H840 is designed to seamlessly integrate with select Dell PowerEdge servers, ensuring compatibility and ease of installation within Dell server environments.

General Information about the Dell 405-AAMZ

  • Manufacturer: Dell
  • Part Number or SKU# 405-AAMZ
  • Product Type: Raid Adapter

Technical Specifications of Raid Adapter

  • Host Interface: PCI-E 3.0 x8
  • Controller Type: SAS 12 Gbps
  • RAID Supported: Yes
  • Form Factor: Plug-in Card
  • Supported Devices: Hard Drive, Disk Array (RAID), Solid State Drive


  • Designed for use with the following Dell EMC PowerEdge models:
  • R440, R540, R640, R740, R740xd, R7415, R940, T440, T640
  • Interfaces and Ports:
  • Total SAS Ports: 2
  • Internal SAS Ports: 2

Finally, the Dell 405-AAMZ Perc H840 SAS/SATA RAID Adapter with 4GB NV Cache FH stands as a testament to Dell's commitment to delivering cutting-edge storage solutions. Its combination of RAID technology, versatile RAID-level support, and the power of Non-Volatile Cache make it a compelling choice for businesses seeking to optimize their storage infrastructure. Whether in enterprise data centers, business servers, or high-performance computing environments, the Perc H840's performance, reliability, and scalability make it a formidable asset in the realm of data storage.

As technology continues to advance, the need for robust storage solutions becomes increasingly vital. The Perc H840 not only meets these demands but also sets a standard for what users can expect from a high-quality RAID adapter. In a landscape where data is king, the Dell 405-AAMZ Perc H840 reigns supreme, offering a potent blend of performance, reliability, and scalability for the modern storage era.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

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