Build optimal NAS solutions.

With room to install up to 4 Seagate® hard drives*, the BlackArmor® NAS 400 product offers highly customizable network attached storage. This network attached storage (NAS) solution delivers small businesses maximum flexibility along with optimum uptime and data integrity.

  • Supports up to 50 PC and Mac workstations
  • Automatic, full-system backups for networked PCs
  • Compatible with Time Machine® software for Mac® computers
  • Secures your data with individual file to full-volume encryption

*The BlackArmor NAS 400 ships without hard drives preinstalled. Hard drives sold separately.

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  • Mac Icon

    Mac OS

  • Windows 7 Compatible

    Windows 7 32 and 64-Bit

  • Windows XP Icon

    Windows XP

  • Windows Vista Icon

    Windows Vista 32 and 64-Bit

access files globally

Globally connected.

The free Seagate Global Access app keeps you connected to all the files you store on BlackArmor NAS devices. From anywhere in the world, access your documents, view photos, listen to music, and play videos.

  • Use the free app for iPhone®, iPad®, Windows® Phone 7, and Android® devices
  • Password protect and securely share files with colleagues and clients
  • Upload documents or photos that you created using your mobile device
  • Share files on-the-go by sending links to files and folders via SMS, email, or Facebook®
  • Click to download the latest firmware update
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Works for your business.

The BlackArmor NAS 400 network storage server combines premium hardware with easy-to-use software that helps you choose the backup, performance and security options that are right for your business. And Seagate has you covered with available support that includes data recovery and priority tech support (data recovery services sold separately). More BlackArmor NAS 400 features
blackarmor nas 400 Open case

Easy customization.

Seagate offers an array of hard drives certified to seamlessly integrate into the BlackArmor NAS 400 storage server's four drive bays. Simply select the certified drives that are best suited to your business.

A unique cradle system lets you add and swap out the hard drives without shutting down the server or handling a single tool.

You can start by installing one drive then add more to easily increase storage capacity and take advantage of additional RAID configurations. Choose from RAID 0/1/5/10 & JBOD configuration options*.

More BlackArmor NAS 400 features
*Hard drives sold separately. Requires two drives for RAID 0 and 1, three or more drives for RAID 5, and four drives for RAID 10.
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Powerful versatility.

The BlackArmor NAS 400 network storage server delivers powerful versatility for your business.

  • VMware Ready™ certified storage solution for VMware virtual environments
  • iSCSI Support adds high capacity storage to servers that support iSCSI
  • Microsoft Active Directory 2003/2008 support includes real-time importing of a domain's user and group organizations
More BlackArmor NAS 400 features


blackarmor nas 400 features Ethernet port, usb & button icons

Hardware for hard work.

The BlackArmor® NAS 400 network storage server comes with four empty drive bays ready to accommodate the certified Seagate® drives that are best suited to your business. Additional BlackArmor NAS 400 network storage server features include: 

  • Two Ethernet ports for local network connection, port failover and NAS to NAS backup 
  • Four USB 2.0 ports for external drives, printers and UPS (uninterrupted power supply) 
  • 1.2 GHZ processor; 256 MB RAM


blackarmor nas 400 shield with rotating arrows

Business-grade protection.

The easy-to-use BlackArmor NAS 400 network storage server delivers layered protection for your valuable data. 

Rest easy with BlackArmor NAS 400 network storage server features like these: 

  • Incremental and full-system automatic backup of network-connected PCs and Macs running Time Machine software 
  • Bare-metal restore to recover your entire system, including the operating system, programs and settings in the event of PC hardware failure 
  • Seagate Volume Recovery allows you to recover volumes if drives are accidentally removed
  • The ability to choose the level of encryption security that's right for your business, from individual file to entire volume encryption 

Additionally, BlackArmor NAS server software helps you easily configure the drives for the optimal mix of performance, redundancy and storage capacity.

blackarmor nas 400 Case

Command from the field.

With the BlackArmor NAS 400 network storage server you can manage your storage server and get flexible access to your files when you are away from the office. 

BlackArmor NAS 400 network storage server features for remote access include: 

  • Remote management using DDNS 
  • Secure FTP server functionality, allowing remote access to files over FTP with SSL/TLS protection 
  • With the Seagate Global Access™ service, you can securely access files remotely from any popular web browser—no special software required


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Capacity 0TB
Interface Options Ethernet
Height (in/mm) (maximum) 8.15/207
Width (in/mm) (maximum) 6.3/160
Length (in/mm) (maximum) 10.59/269
Weight (lb/g) 10.55/4800
Model Number HDD Bays Interface
STAR401 4 Ethernet