Grows with your business.

Designed for optimum uptime and data integrity, the BlackArmor® NAS 420 network storage server delivers plug-and-play network attached storage for small businesses. This NAS solution offers flexibility straight from the box with 2 preinstalled Seagate® hard drives and 2 empty drive bays for future growth.

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

The BlackArmor NAS 420 storage server combines plug-and-play setup 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 420 storage server features

Command from the field.

The BlackArmor NAS 420 network storage server provides flexibility when you are in the field.

  • BlackArmor NAS 400-series storage servers can be managed remotely with DDNS
  • The BlackArmor NAS 420 storage server can also function as a secure FTP server, 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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Hardware for hard work.

The BlackArmor® NAS 420 network storage server comes with 2 efficient, reliable Seagate® Barracuda® hard drives preinstalled and two empty drive bays. A unique cradle system lets you add and swap out the drives without shutting down the server or handling a single tool.

More BlackArmor NAS 420 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

Business-grade protection.

The easy-to-use BlackArmor NAS 420 software package delivers layered protection for your valuable data.

Rest easy with BlackArmor NAS 420 storage server features like these:

  • Incremental and full-system automatic backup of network-connected PCs
  • Bare-metal restore to recover your entire system, including the operating system, programs and settings in the event of PC hardware failure
  • 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 delivers easy configuration of the drives for the optimal mix of performance, redundancy and storage capacity. Choose from RAID 0/1/5/10 & JBOD configuration options.*

*Requires three or more drives for RAID 5, and four drives for RAID 10. Additional hard drives sold separately


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