PowerVault MD1120 Direct Attached Storage

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The PowerVault™ MD1120 is a rack-dense direct attached storage solution designed to deliver outstanding performance while consuming less power.

  • Ideal solution for performance hungry applications
  • Expands to 144 drives
  • Now supports Nearline Serial Attached SCSI (SAS) drives — giving you the performance of SAS with the capacity of Serial ATA (SATA)

Dell PowerVault MD1120

Operating System

  • Refer to the PERC RAID Card details for supported Operating Systems
    PERC 6/E


  • Support for either of the following configurations:

    Unified mode (single path) for daisy chaining of up to 6 enclosures per PERC 6/E controller (3 enclosures per port, single path)

    Unified mode (redundant path) for daisy chaining up to 3 enclosures per PERC 6/E controller (3 enclosures connected to both ports via redundant path cabling)

    Split mode for single enclosure, direct connectivity to drives 0 though 11 and a separate connectivity to drives 12 through 23

Environmental Operating Conditions

  • Temperature:

    Operating: 10° to 35°C (50° to 95°F)
    Storage: -40° to 65°C (-40° to 149°F)

    Relative humidity:

    Operating: 20% to 80% (non-condensing)
    Storage: 5% to 95% (non-condensing)


    Operating: -16 to 3048 m (-50 to 10,000 ft)
    Storage: -16 to 10,600 m (-50 to 35,000 ft)


  • Wattage: 485W maximum continuous; 604W peak

    Heat dissipation: 200W

    Voltage: 100-240V rated (actual 90-264V)

    Frequency: 47-63Hz

    Amperage: 7.5A at 90V, 3.75A at 180V

    Available Hard Drive Power (per slot)
    Support hard-drive power: up to 0.5A at +12V
    Consumption continuous: up to 1.2A at +5V


  • EMMs

    1 or 2 modules
    A second EMM provides redundant enclosure management capability


  • Height: 8.60 cm (3.375 inches)

    Width: 44.50 cm (17.5 inches)

    Depth: 46.40 cm (18.25 inches)

    Weight: 23.60 kg (52 lb) (maximum configuration)


  • PERC 6/E supports RAID levels 0, 1, 5, 6, 10, 50 and 60.

Back-Panel Connectors

  • SAS connectors (per EMM)

    1 12.0 Gbps SAS (SFF 8470) "IN" connector for connection to the host
    1 12.0 Gbps SAS (SFF 8470) "OUT" connector for expansion to an additional enclosure

    Serial connector (per EMM)

    1 6-pin UART mini-DIN connector (for factory use only)

LED Indicators

  • Front panel

    1 two-color LED indicator for system status
    2 single-color LED indicators for power and split mod

    Hard-drive carrier

    1 single-color activity LED
    1 two-color LED status indicator per drive


    3 two-color LED status indicators: one for each of the EMM SAS ports and one for the EMM status

    Power supply/cooling fan module

    3 LED status indicators for Power supply/cooling fan fault, AC power, and DC power
Configuration and Expansion - Up to 144 Drives

Configuration and Expansion — Up to 144 Drives

The modular design of the PowerVault MD1120 is engineered for easy expansion — giving you more room to store data from your server. Up to six PowerVault MD1120 24-drive expansion enclosures can be connected to a dual port PERC6/E, giving you between 24 and 144 disk drives options. To keep management simple, the PowerVault MD1120 connects to and can be controlled by a single PERC 6/E RAID controller equipped PowerEdge™ server. Configure the specific combination of storage resources you need now and add more storage volume later, quickly and easily.
Don't sacrifice capacity for performance. The PowerVault MD1120 now supports the new 7,200 rpm 500 GB* SAS — making it ideal for customers who need performance but can’t sacrifice capacities.
Hot Swappable

Hot Swappable

The hot-swappable technology of the PowerVault MD 1120 direct attached storage array allows you to remove and replace drives even when your system is operating, no need to turn it off, and no need to reboot - new drives are available right away. The unique combination Small Form Factor SAS drive technology and high spindle count in one modular form gives the PowerVault MD1120 external RAID storage array it's edge over the MD1000 for fast access storage when your applications need it.
Maximize Efficiency

Maximize Efficiency

The small form factor of the PowerVault MD1120 helps manage power, heat, and space consumption in your data center. In fact, 2.5-inch disks consume up to 50 percent less power and 70 percent less space than 3.5-inch drives. Additionally, the MD1120 uses high-efficiency power supplies and variable speed, temperature controlled fans to help minimize power consumption.
PERC RAID Controller

PowerEdge RAID Controller

The PowerVault MD1120 leverages the PowerEdge RAID controller with the best available in-class PCI Express interface, offering excellent performance for enterprise. The configuration of the PowerEdge RAID controller enables the software to recognize the entire array as a single unit, regardless of how many disks you have activated for storage in the array — helping to increase reliability and fault tolerance. With the PERC 6/E customers can choose the RAID option that supports their application. The PERC 6/E supports RAID levels 0, 1, 5, 6, 10, 50 and 60.

Dell PowerVault storage is engineered to work optimally with Dell PowerEdge servers. Dell OpenManage™ Storage Manager Software can manage both the external array and internal storage within the server itself. Streamlining storage management through a single, common interface helps reduce resource load on the system, and is easier to navigate for the user as well.

Support Services

Dell™ ProSupport™ — Faster, more reliable support services designed to address the technology challenges you face today. This new support portfolio is focused on your needs, time demands and budgets.

Need professional support services that take care of both you and your employees’ IT needs 24x7? Choose Dell ProSupport to get access to a certified technician in two minutes or less.

Got an IT staff? Choose Dell ProSupport for IT and get tech-to-tech support with Fast-Track Dispatch, along with 24x7 access to Dell-certified technicians.

Dell ProSupport Service Model
Dell ProSupportDell ProSupport for IT

Designed for organizations with limited or no dedicated IT staff.

Designed to provide tech-to-tech support for IT professionals, database administrators and internal service desks or helpdesks.

  • 24x7 direct break-fix hardware support for your employees
  • "How-to" support on popular software applications such as Norton AntiVirus™, Microsoft® Office, Microsoft Small Business Server, Intuit® QuickBooks®, Adobe® Photoshop® and Adobe Acrobat®.
  • Access to a certified technician in two minutes or less


  • 24x7 direct access to Dell Expert Centers
  • Fast-Track Dispatch for Dell-certified technicians
  • Escalation management through Dell’s Global Command Centers
Next, Dell ProSupport options align to the way you use technology — rapidly responding to your needs, protecting your investment, your productivity and your sensitive data, and providing enhanced proactive support services to reduce the risk and complexity of managing your infrastructure.

Mission Critical — Perfect for server and storage environments where avoiding unplanned downtime and reducing recovery time through priority response are a must. The package includes priority 4-hour on-site service or optional 2-hour response with 6-hour hardware repair, Dell’s proven Critical Situation process and emergency dispatch.Data Management and Protection
  • Keep Your Hard Drive helps you retain control of sensitive data
  • Hard Drive Data Recovery provides unlimited attempts to recover data from a failed hard drive
  • Certified Data Destruction wipes your hard drive clean and destroys data
Proactive Maintenance — Maximizes the availability and stability of your infrastructure proactively. The package includes a detailed system assessment and implementation of driver or firmware updates and upgrades for your server or storage systems.

Remote Advisory Options — Provides telephone and internet access to technical expertise for specialized applications and solutions such as Microsoft Exchange, Virtualization, virus remediation and more.

Customization and Setup

EDT Installation
Enhanced installation and configuration with Dell professional project management and documentation. A project manager will be acting as the single-point-of-contact for the entire installation project from presite audit to coordination of the installation and delivery of post-project documentation.


Comprehensive Training
Get the skills you need to keep pace in today's competitive IT environment with comprehensive training and certification courses. Dell offers a vast array of instructor-led classes and online training courses in a range of topics from server maintenance to in-depth technical overview of specific systems.