Dell 405-AANN Raid Controller
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Dell 405-AANN PERC H840 12GB SAS PCI-E 3.1 8 lane Raid Bulk

Availability: In Stock
Part Number#: 405-AANN
List Price was: $890.70
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Short Description:
405-AANN PERC H840 12 Gigabyte(GB) Serial-Attached SCSI (SAS) Peripheral Component Interconnect Express (PCI-E) 3.1 8-lane Raid Controller With 4 Gigabyte(GB) Nv Cache (low Profile) | Made by Dell | New Bulk Pack

Interface Types of This Product: SAS-SATA Raid Controller

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days
We are providing specifications below to explain why you should consider purchasing the Dell Raid Controller SAS-SATA Controller, including a general overview, performance specifications, relevant images, media files, and technical information about the 405-AANN compatibility.

Management and Monitoring Tools for the H840 Controller

There are several management and monitoring tools available for the Dell PERC H840 RAID controller. Here are some of the most common ones:

  • Dell OpenManage Server Administrator (OMSA): OMSA is a comprehensive management software that allows administrators to manage, monitor, and maintain Dell PowerEdge servers and storage systems. It provides information on hardware components, firmware versions, and storage configurations, and allows administrators to perform various management tasks such as firmware updates, disk management, and storage management.
  • Dell System E-Support Tool (DSET): DSET is a diagnostic tool that helps administrators collect and analyze hardware and software information from Dell PowerEdge servers and storage systems. The collected data can be used to troubleshoot and resolve issues more efficiently.
  • Dell Storage Manager (DSM): DSM is a centralized management software for Dell Storage systems, including the PERC H840 RAID controller. It provides a graphical interface for monitoring and managing storage configurations, including disk arrays, disk groups, and virtual disks.
  • Command Line Interface (CLI): The PERC H840 RAID controller supports a CLI for managing and monitoring the controller and storage configuration. The CLI can be accessed through a serial console or over the network using Telnet or SSH.

These are some of the most commonly used management and monitoring tools for the Dell PERC H840 RAID controller. It is recommended to check the official Dell Support website for the most up-to-date information on the tools and features available for this specific model.

Performance and Scalability of the H840

The Dell PERC H840 is a high-performance RAID controller designed to provide enterprise-level storage management and scalability. Here are some of the key performance and scalability features of the H840:

  • Performance: The H840 supports 12GB/s SAS and is designed to deliver fast storage performance, with high I/O throughput and low latency. It can support multiple drives in a variety of RAID configurations, including 0, 1, 5, 6, 10, 50, 60 and more.
  • Scalability: The H840 supports up to 24 hard drives or solid-state drives (SSDs), providing a large amount of storage capacity and allowing for easy scalability as your storage needs grow. It also supports a variety of RAID configurations, allowing you to choose the best setup for your specific requirements.
  • Reliability: The H840 is built with reliability in mind, featuring redundant components, hot-swappable drives, and advanced data protection features such as battery-backed write cache (BBWC) and flash-backed write cache (FBWC).
  • Compatibility: The H840 is compatible with select Dell PowerEdge server models and supports several versions of Windows Server and Linux distributions, including Red Hat Enterprise Linux and SUSE Linux Enterprise Server.

Compatibility with Dell PowerEdge Servers

The compatibility of the Dell PERC H840 RAID controller depends on several factors, including the host server, the operating system, and the storage configuration. Here are some general compatibility guidelines:

  • Host server: The PERC H840 is compatible with select PowerEdge server models. You can check the compatibility of your server by visiting the Dell Support website and entering the server model and part number.
  • Operating System: The PERC H840 is compatible with several versions of Windows Server and Linux distributions, including Red Hat Enterprise Linux and SUSE Linux Enterprise Server. You can check the compatibility of your operating system by visiting the Dell Support website and entering the operating system and version.
  • Storage Configuration: The PERC H840 supports SAS, SATA, and NVMe drives and can be configured as a RAID controller or as a pass-through device. The maximum number of drives supported will depend on the host server, the operating system, and the specific RAID configuration.

General Information about this Dell 405-AANN

  • Manufacturer: Dell
  • Part Number or SKU# 405-AANN
  • Device Type: Raid Controller
  • Supported Devices: Hard Drive, Disk Array (Raid), Solid State Drive
  • Designed For: Emc Poweredge R440, R540, R640, R6415, R740, R740xd, R7415

Technical Specifications of the H840 Controller

Here are the technical specifications for the Dell 405-AANN PERC H840 12GB SAS PCI-E 3.1 8 lane Raid Controller:

  • Interface: PCI Express 3.1 (8 lanes)
  • Cache Memory: 2GB DDR4
  • Max Cache Memory: 4GB DDR4
  • Max Number of Physical Devices Supported: 1024
  • Supported Drive Types: SAS, SATA, NVMe
  • RAID Levels Supported: 0, 1, 5, 6, 10, 50, 60
  • Battery Backup: Yes (optional)
  • Max Number of Host Connections: 2
  • SAS Ports: 4 internal, 4 external
  • Form Factor: Low profile
  • Power Consumption: 20W

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

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.


SAS controllers facilitate the use of SATA drives to increase the storage capacity with extreme ease. You can get the best SAS SATA controllers here on Our SAS SATA controllers are some of the best you can find around at the best prices.

SATA is the acronym for Serial Advanced Technology Attachment while the SCSI, nicknamed Scuzzy, is short for Serial Attached Small Computer System Interface.

SATA and SAS connectors help link up your computer components, including media and hard drives to the system's motherboard. SATA drives are more affordable and used for personal computing while fast and reliable SAS drives are the best fit for servers.

On the other hand, SAS controllers work flawlessly on SATA hard drives because both share identical infrastructure and possess related characteristics.

If you'd prefer speed over space, then a SAS-based hard drive is your best bet. However, SATA drives on the other hand, while lagging in terms of speed have a much larger storage capacity.

Data Transfer Speed

Throughput is the volume of data that a drive can move, process, or read and write in a specific amount of time. The drive's throughput is usually tested to measure its speed.

The Input/output operations per second (IOPS) may also be measured. However, the IOPS and throughput outcomes usually imply the same things about the drive.

While the SAS drives boast higher throughput than SATA drives; there are fewer general delays. But there is some overlap between the more high-speed SATA drives and slower SAS drives. On, you can shop some of the best SAS SATA controllers from well-known brands across the world.

While a handful of factors affect the drive's performance, the major factor affecting throughput is the revolution per minute (rpm). Consequently, the higher the rpm, the higher the drive's throughput.

The speed variation is most notable when dealing with large files. A SAS drive boasting 15000 rpm will most likely read and write a 1TB file faster than a SATA drive with 7200 rpm.

Most SATA-based drives' usual speed ranges from 5400 rpm to 7200 rpm, and most SAS-based drives run between 7200 rpm and 15000 rpm.

SAS-SATA Controllers on

While you can count on both quality and affordability, we also bring you a wide range of SAS SATA controllers to cater to your storage needs. SAS and SATA's notable difference is that SAS is developed to endure 24/7 performance in firms, including data centers. Choose from our collection of top-quality SAS SATA controllers including 24 Port, PERC H830, Expander Card, PERC H330, PERC H730, PERC 5, Host Bus Adapter, Equallogic, PERC H710, 4 Port, 1-Port, 8 Port, PERC H700, PERC H800, Smart Array, Serveraid, PERC H740, Raid Controller, PCI-E, 12 Port, Controller Card, and16 Port.

You can use a SATA drive for servers just as you would use a SAS drive. However, the SATA drive would deliver a slower performance and a higher probability of failing or hinting at a failure. This laxity could prove expensive to firms that depend on such drives.

A SAS drive has a mean time between failures (MTBF) that ranges from (1.2-1.6 million) hours of use at 113°F (45°C), while that of a SATA drive is about (700,000-1.2 million) hours of use at 77°F (25°C).

SATA disk drives offer many benefits, including the fact that they boast an unbeatable combination of low cost, high capacity, and performance. Taking advantage of this with SAS SATA controllers could bring a significant return on investment. You can count on a 24/7 customer care center for all issues regarding sales and delivery. delivers all items free of charge within the 48 U. S. states. Please choose from our collection of top-quality SAS SATA controllers today for optimum performance.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

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Individual product warranty mentioned on each item product description page/detail page.

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FedEx Shipping Options:

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Worldwide Shipping Options:

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UPS®/FedEx® Ground Shipping Canada

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