IBM 1746A4D HDD Storage Ds3524 Enclosure System Storage SAS
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1746A4D IBM System Storage Ds3524 Model Dual Controller Hard Refurbished

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Part Number#: 1746A4D
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Short Description:
1746A4D IBM System Storage Ds3524 Model Dual Controller Hard Drive Array. Refurbished.
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Capacity and Scalability Options

The IBM System Storage DS3524 Model Dual Controller Hard Drive Array is a high-performance, scalable storage solution that is designed to meet the demands of medium-sized businesses. It is capable of providing both capacity and scalability options, which are explained below:

  • Capacity options: The DS3524 supports up to 24 SAS or SATA hard drives, providing a maximum storage capacity of 72 TB (24 x 3 TB drives). This makes it an ideal solution for businesses with high storage requirements.
  • Scalability options: The DS3524 is highly scalable and can be expanded to meet the changing needs of businesses. It supports up to six expansion units, allowing for the addition of up to 144 more drives for a total of 432 TB of storage. This scalability feature makes it a cost-effective storage solution, as businesses can start with a smaller configuration and expand as needed.

In addition to its capacity and scalability options, the DS3524 also provides a range of advanced features for data protection, backup and recovery, and disaster recovery. These features include:

  • RAID levels 0, 1, 3, 5, 6, and 10 for data protection
  • Dynamic Disk Pools (DDP) for improved storage utilization and faster rebuild times
  • Remote Mirroring for disaster recovery
  • FlashCopy for creating point-in-time copies of data
  • EasyTier for automated data tiering to optimize performance and reduce costs

Disaster Recovery and Business Continuity

Disaster recovery and business continuity are critical aspects of any organization's IT infrastructure. The 1746A4D IBM System Storage Ds3524 Model Dual Controller Hard Drive Array is a high-performance, scalable storage solution that provides data protection and disaster recovery capabilities to ensure business continuity in the event of a disaster.

Disaster recovery is the process of restoring business operations after a disruptive event, such as a natural disaster, cyber attack, or equipment failure. The Ds3524 Model Dual Controller Hard Drive Array provides several disaster recovery features, including:

  • Redundant components: The Ds3524 Model Dual Controller Hard Drive Array has redundant controllers, power supplies, and fans, ensuring that if one component fails, the system will continue to operate without interruption.
  • Remote data replication: The Ds3524 Model Dual Controller Hard Drive Array supports remote data replication, which allows you to replicate data to another location, such as a disaster recovery site. This ensures that if your primary data center is impacted by a disaster, your data is safe and accessible from the secondary location.
  • Snapshot and backup: The Ds3524 Model Dual Controller Hard Drive Array supports snapshot and backup capabilities, allowing you to take regular snapshots of your data and back it up to another location. This ensures that you can recover your data in the event of a disaster.

Business continuity refers to the ability of an organization to continue operating during a disruptive event. The Ds3524 Model Dual Controller Hard Drive Array provides several business continuity features, including:

High availability: The Ds3524 Model Dual Controller Hard Drive Array has redundant components, ensuring that the system remains operational even if a component fails. This helps to minimize downtime and ensure business continuity.

  • Scalability: The Ds3524 Model Dual Controller Hard Drive Array is a scalable storage solution, allowing you to add additional storage capacity as your business grows. This ensures that you can continue to operate without interruption.
  • Data protection: The Ds3524 Model Dual Controller Hard Drive Array provides data protection features, such as RAID and data replication, to ensure that your data is always available and protected.

In conclusion, the 1746A4D IBM System Storage Ds3524 Model Dual Controller Hard Drive Array provides robust disaster recovery and business continuity capabilities. With redundant components, remote data replication, snapshot and backup, high availability, scalability, and data protection features, this storage solution ensures that your organization can continue to operate in the event of a disaster or disruptive event.

Performance Optimization Strategies

The IBM System Storage DS3524 is a dual-controller hard drive array that provides high-performance, high-availability storage for enterprise environments. To optimize its performance, there are several strategies that can be employed:

  • Ensure proper disk configuration: The DS3524 supports a variety of disk types, including SAS, Nearline SAS, and SATA. To optimize performance, it is important to choose the right disks for the application and ensure they are configured in the most optimal way, such as RAID 5 or 6.
  • Enable cache: The DS3524 has a large cache memory that can be used to improve performance. Ensure that cache is enabled and properly configured for the workload.
  • Use multiple paths to disks: The DS3524 supports multiple paths to disks, which can be used to increase throughput and provide redundancy. Ensure that multiple paths are properly configured and used.
  • Monitor performance: Use the built-in performance monitoring tools to identify bottlenecks and areas that need optimization.
  • Upgrade firmware: Keep the firmware of the DS3524 up to date to ensure it is running at peak performance.
  • Use advanced features: The DS3524 supports advanced features such as thin provisioning, automated tiering, and snapshotting. Consider using these features to optimize performance for specific workloads.
  • Use performance tuning tools: IBM provides performance tuning tools such as IBM System Storage Easy Tier and IBM System Storage Interoperation Center to help optimize performance.

General specifications

  • Manufacturer part #1746a4d
  • Product descriptionibm system storage ds3524 model c4a - hard drive array - 24 bays ( sas-2 ) - 0 x hd - serial attached scsi 2 (external) - rack-mountable - 2u - express seller - for bladecenter hs21; system x3950 x5
  • Device typehard drive array
  • Enclosure typerack-mountable - 2U
  • Max supported capacity12 TB
  • Interfaceserial attached scsi 2
  • Installed devices / modules qty0 (installed) / 24 (max)
  • Supported drivesserial attached scsi 2
  • Approximate dimensions (wxdxh)17.7 in x 19.2 in x 3.5 in
  • Storage controller2 x raid - raid 0, 1, 3, 5, 6, 10
  • Hard drive0 hot-swap
  • Powerac 120/230 v ( 50/60 hz )
  • Power redundancyyes
  • Manufacturer selling programibm express seller

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

A server enclosure comprises racks that are fitted with side panels and front and rear doors. That is the distinct difference between enclosures and server racks. Racks are simply a framework on which network equipment is mounted.

A rack enclosure provides increased security for your server equipment since they have keyed entry that will help keep out unauthorized personnel from gaining access and tampering.

We have a wide range of enclosures that are constructed using heavy-duty, cold-rolled steel that can withstand impact and damage. You can choose the thermal enclosures for heat sensitive and other critical equipment.

There are a number of variables that you must consider when investing in server rack cabinets. Keep in mind that servers need change over time and you must plan adequately for the future.

U Space or Rack Units: You must know how much space your equipment requires to ensure that everything fits properly. We have racks with U heights that range from 1U to 90U for all different settings such as data center, home, or office. Buying a rack cabinet with too much open space means that you have to purchase blanking panels to contain airflow.

Mounting: You can choose from different mounting options. Floor mounting enclosures are highly recommended due to the greater loading capacities and high level of efficiency in the installation of servers and other network equipment. The floor enclosures will handle all types and weights of equipment as long as it fits the space specifications.

Another mounting option is the wall mounting one, it is effective in isolating specific groups of related network equipment making access easier and convenient. The wall enclosures are effective in space management since auxiliary equipment and accessories can be managed to avoid using up too much floor space or capacity in your floor enclosure.

Rack Mounting: We can help you identify server enclosure models that specifically meet your network equipment setups and any other use. There are rack-mountable server brackets that offer different types of rack mounting solutions. You can achieve U space that specifically fits your products and accessories.

Server Rack Depth: Depth is an equally important consideration. Ensure that you have the dimensions of your equipment and what you plan to get in the future. We have server enclosures that range from 0 to 50 inches and that are compatible with different rails and shelves used for storage expansion.

Weight Capacity: All the server cabinets have load capacity ratings which can help you match them to the total weight of your server and associated equipment. It is recommended that you purchase a rack cabinet that has a higher load capacity to accommodate future needs as you grow your business.

Open Frames Options: The 4-post and 2-post racks are the open frames available at our stores. These open frame options do not have side panels which means that all sides of the rack are open to the immediate environment. The open frame options are cost-effective, allow easy access for server room maintenance, allow unobstructed airflow, and permit easy management of power cords and network cables. However, they are only suited for secured areas where people cannot walk in without authorized access.

Browse through the enclosures category to find enclosures and storage equipment that meets your application and needs. We have all types of accessories, computer cases & accessories, enterprise array systems, server chassis, storage bay adapters, bezels, storage blade, storage controller, storage drive cages, drive sled-caddy-tray, storage works smart array, store easy systems, rack-mountable solutions, and other equipment. Talk to our highly experienced staff and you will get the best pieces of advice to help in setting up your enclosures and other storage needs.

Storage Expansion, System Storage

All our server racks are compatible with leading OEM servers and equipment including HPE, Dell, and IBM. Always remember that not every server bracket is built equal, we have different sizes, brands, and specifications of cabinets to ensure that they fit your application and environment. We are the one-stop-shop for all your business needs and we'll help you find the best rack enclosure for your application or setup.


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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?

The reason why our warranty does not cover any problem caused by the following conditions:

(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:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

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

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Worldwide Shipping Options:

UPS®/FedEx® International Economy

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UPS®/FedEx® International Priority

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UPS®/FedEx® Ground Shipping Canada

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Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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