Dell M9RY6 SAS PCI-E Raid Controller
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Why Dell M9RY6 SAS PCI-E PERC H840 12GB Raid Bulk is the best?

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Part Number#: M9RY6
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Short Description:
M9RY6 Serial-Attached SCSI (SAS) Peripheral Component Interconnect Express (PCI-E) PERC H840 12 Gigabyte(GB) Raid Controller | Made by Dell | New Bulk Pack

Interface Types of This Product: SAS-SATA PCI-E

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days
We are giving specifications below, why one should consider procuring Dell PCI-E SAS-SATA Controller features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the M9RY6 model with compatibility.

Configuration Options of Dell M9RY6 SAS PCI-E

The Dell M9RY6 SAS PCI-E PERC H840 12GB RAID Controller offers several configuration options. Here are some of the key options:

  • RAID levels: The H840 supports various RAID levels, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and RAID 50.
  • Cache options: The controller features a 8GB cache memory, which can be increased up to 16GB using an optional upgrade kit. The cache can be configured in either write-through or write-back mode.
  • Physical disks: The H840 can support up to 240 SAS, SATA, or SSD drives, and allows for hot-swapping of failed or degraded drives.
  • Drive group: Users can configure drive groups to create logical volumes using the RAID levels mentioned above. Users can also specify the stripe size and write policy for each drive group.
  • Virtual disks: Users can create virtual disks using the drive groups and specify the size and RAID level for each virtual disk.
  • Enclosure management: The H840 supports enclosure management, which allows users to monitor and manage the status of the physical disks and fans in the server enclosure.
  • Battery backup: Users can install an optional battery backup unit for the controller to provide protection for the cache memory in case of power failure.

Management Interface for Dell M9RY6 SAS PCI-E

The Dell M9RY6 SAS PCI-E PERC H840 12GB RAID Controller can be managed through a variety of interfaces, including:

  • BIOS Configuration Utility (Ctrl+R): This is a pre-boot configuration utility that allows you to configure basic settings such as RAID level, virtual disks, and hot spares.
  • Dell OpenManage Storage Management: This is a web-based management interface that allows you to configure and monitor the RAID controller and storage devices. It includes features such as system health monitoring, event notification, firmware updates, and RAID configuration.
  • Command Line Interface (CLI): The RAID controller can also be managed using a command-line interface, which is useful for automating tasks and configuring the controller in batch mode.
  • Storage Management Utility (SMU): The SMU is a local management utility that can be installed on a server with a RAID controller to manage the RAID controller and storage devices.
  • iDRAC (Integrated Dell Remote Access Controller): If the server has an iDRAC card installed, the RAID controller can also be managed remotely using the iDRAC web interface.

Performance Benchmarks for Dell M9RY6 SAS PCI-E PERC H840

The Dell M9RY6 SAS PCI-E PERC H840 12GB RAID Controller is a high-performance RAID controller designed for use in enterprise storage systems. Here are some of the performance benchmarks for this controller:

  • Maximum throughput: The PERC H840 is capable of delivering a maximum throughput of up to 12Gb/s, making it suitable for high-performance applications that require fast data transfer rates.
  • RAID performance: The PERC H840 supports multiple RAID levels, including RAID 0, 1, 5, 6, 10, 50, and 60. When configured in RAID 0 mode, the PERC H840 can deliver a read throughput of up to 2,500MB/s and a write throughput of up to 1,200MB/s.
  • IOPS: The PERC H840 can deliver up to 1.2 million input/output operations per second (IOPS) when used in RAID 0 mode, making it suitable for applications that require high I/O throughput.
  • Cache performance: The PERC H840 features a 8GB non-volatile cache (NVC), which can help improve performance by caching frequently accessed data. When configured with cache enabled, the PERC H840 can deliver up to 1.2 million IOPS and up to 6,000MB/s throughput.
  • Virtualization performance: The PERC H840 is also designed to support virtualized environments, and can deliver high levels of performance when used with virtual machines. When tested in a virtual environment, the PERC H840 was able to deliver up to 110,000 IOPS with a latency of less than 1ms.

General Information about this Dell M9RY6

  • Manufacturer: Dell
  • Part Number or SKU# M9RY6
  • Device Type: Storage Controller (raid) Plug-in Card Low Profile
  • Supported Devices: Hard Drive, Disk Array (raid), Solid State Drive
  • Designed For: Poweredge R440, R540, R640, R6415, R740, R740xd, R7415

Technical Specifications

  • Host interface: PCI Express 3.0 x8
  • RAID levels: RAID 0, 1, 5, 6, 10, 50, and 60
  • Data transfer rate: 12 Gbps
  • Cache memory: 8GB Non-Volatile Cache (NVC), which can be upgraded to 16GB or 32GB
  • Processor: 1.2 GHz dual-core RAID-on-Chip (ROC) processor
  • Drive support: Supports up to 255 physical devices, including SAS, SATA, and solid-state drives (SSDs)
  • Battery backup unit: Optional hot-swappable battery backup unit (BBU) for data protection in case of power failure
  • Operating systems support: Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, Citrix XenServer, and other operating systems
  • Dimensions (H x W x D): 6.4 cm x 16.8 cm x 16.8 cm

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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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.
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