HPE P28335-001 Storage Controller
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HPE P28335-001 MegaRAID MR416i-a SAS Storage Controller Bulk

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Part Number#: P28335-001
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New Bulk Pack

Short Description:
HPE P28335-001 Megaraid Mr416i-a 12GBPS PCI-E Gen4 X16 Internal Ports SAS SATA Storage Controller For Gen10+ | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

Product Overview of the HPE P28335-001

The HPE P28335-001 MegaRAID MR416i-a SAS storage controller is a device that provides hardware RAID (Redundant Array of Independent Disks) functionality to servers, workstations, and other computer systems. The controller is manufactured by Hewlett Packard Enterprise (HPE) and is designed to support a range of SAS (Serial Attached SCSI) and SATA (Serial ATA) drives.

What is a Storage Controller

A storage controller is a device that manages the flow of data between a computer system and a storage device. The controller is responsible for storing and retrieving data from the storage device, as well as managing the performance and reliability of the storage system. Storage controllers can be either hardware-based or software-based.

Hardware-based storage controllers are built into a dedicated device, such as a RAID card or a storage appliance. These controllers typically provide better performance and reliability than software-based controllers, as they have dedicated hardware resources to manage the storage system.

Software-based storage controllers, on the other hand, rely on the processing power of the host system to manage the storage system. These controllers are often used in virtualized environments where dedicated hardware resources are not available.

What is RAID

RAID, or Redundant Array of Independent Disks, is a storage technology that uses multiple hard drives to improve performance, reliability, or both. RAID accomplishes this by combining the storage capacity of multiple disks into a single logical unit, which can be accessed as a single drive.

There are several types of RAID configurations, including RAID 0, RAID 1, RAID 5, and RAID 6. Each configuration has its own benefits and drawbacks, and the choice of RAID configuration will depend on the specific needs of the storage system.

RAID 0 combines the storage capacity of multiple disks into a single logical unit, but does not provide any redundancy. This means that if one disk fails, all data on the RAID 0 volume will be lost.

RAID 1 provides mirroring, where data is written to two disks simultaneously. This provides redundancy, as if one disk fails, the other disk contains a copy of all data on the volume.

RAID 5 combines the storage capacity of multiple disks into a single logical unit and provides parity information, which can be used to reconstruct data in the event of a single disk failure.

RAID 6 is similar to RAID 5, but provides additional redundancy by storing two sets of parity information, which can be used to reconstruct data in the event of two disk failures.

What is SAS

SAS, or Serial Attached SCSI, is a type of storage interface that is used to connect hard drives, solid-state drives, and other storage devices to a computer system. SAS is a successor to the earlier SCSI (Small Computer System Interface) standard and provides faster data transfer rates, improved scalability, and better reliability.

SAS supports both point-to-point and multipoint connections, which allows multiple SAS devices to be connected to a single SAS controller. SAS also provides features such as hot-swapping, which allows drives to be added or removed from a storage system without shutting down the system.

What is MegaRAID MR416i-a SAS Storage Controller?

The HPE P28335-001 MegaRAID MR416i-a SAS storage controller is a hardware-based RAID controller that is designed to provide high-performance and reliable storage for servers and workstations. The controller supports SAS and SATA drives, and provides support for RAID 0, RAID 1, RAID 5, and RAID 6 configurations.

The controller is built on the LSI SAS3108 RAID-on-Chip (ROC) technology, which provides a high-performance, low-latency RAID engine. The controller also includes a 2GB DDR3 cache

General Information about this HPE P28335-001

  • Manufacturer: HPE
  • Part Number or SKU# P28335-001
  • Product Type : Controller
  • Product Name : Storage Controller

Technical Specifications of HPE Storage Controller

  • Device Type : Megaraid Storage Controllers
  • Ports : X16 Internal Tri-mode
  • Internal Sas Lanes : X16
  • Raid On Chip Controller : Sas3916 - Broadcom(r) Aero
  • Host Interface : Pcie Gen4 X8 Host
  • Cache Size (fbwc) : 4gb
  • Storage Protocol : 12gbps Sas, 6gb/sata, 16gb/s Pcie
  • Raid : 0, 1, 5, 6, 10, 50, 60

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.

Storage Controller

Here on allhdd.com, we offer consumers like you some of the best storage solutions on the market. Our wide range of quality storage controllers contains products in the following categories:

MSA 2000 Series, Powervault, 4-Port, Poweredge VRTX, PCI-E, ServeRAID, 2-Port, Equallogic, MSA2040, and MSA2050.

A storage controller, otherwise called storage processor or array controller, is a device that regulates or controls storage arrays and essentially contains the three types of elements, including the following;

  • The central processing unit,
  • The Cache Memory,
  • The connection of interface with the network and memory devices.

If you have multiple memory devices, our storage controllers will help create a single memory channel. In other words, our storage controllers combine the memory areas in various memory devices and render them as a single memory area to your server.

A storage controller picks out the appropriate device from multiple memory devices to fetch data when it receives a request from the server to write data. It then stores the selected devices' data.

On the other hand, when there is a request to read data from the server, the storage controller searches the location where the associated data is stored. It reads the data from the location (memory device) and then transfers it to the server.

Qualities of a good Storage Controller

In addition to reading and writing data efficiently and stably, your storage controller carries out processing tasks to complete many functions, including dynamic volume capacity allocation, among others.

The storage array's performance can be directly affected or determined by the storage controller's speed and capabilities in the advanced data center. High-speed storage infrastructure is a vital factor in storage arrays as it enables the network to send data at 10 Gbps using Fiber Chanel of 10 GbE or Gen 5 (16 Gbps).

RAID And How It Works

RAID stands for redundant array of independent disks. Suppose you intend to store the same data in multiple solid-state drives or locations (hard disks); in that case, a RAID card is an efficient means of achieving this purpose without storage failure. To efficiently control or regulate, read and write these data, a storage controller is mandatory. Thanks to our collection of high-efficient storage controllers, your storage array is in good hands.

Data redundancy is a system design to facilitate the duplication of a component, so if it crashes, there will be an alternative. There are various RAID levels, but not all have the purpose of implementing redundancy. RAID operates by storing data on multiple disks and enabling input/output (I/O) operations to overlap stably. Multiple disks increase the mean time between failures (MTBF); hence, storing data in arrays also increases fault tolerance.


As the name suggests, a RAID controller controls hard disk drives in a storage array. It can serve as an abstraction level between the physical disks and the operating system (OS), assembling an array of disks as logical units. A RAID controller can either be software-based or hardware-based. In the latter, a physical controller operates the array. Depending on the manufacturer, the controller can also be engineered to support SATA and SCSI "Scuzzy" drive formats. A hardware-based RAID controller may again come as a component in the server's motherboard.

On the other hand, in the software-based RAID, the controller takes advantage of the hardware system's resources, including the memory and the central processor. It carries out the same functions as a hardware-based RAID controller. However, the software-based RAID controllers may not improve the performance of the storage system. Shop the best controllers on the market today from allhdd.com. You stand free ground shipping across all states in the U.S, affordability, and credible customer service.


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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:

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

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