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Overview of QNAP TS-221 TurboNAS QTS Firmware

The QNAP TS-221 TurboNAS brings a powerful yet affordable solution for businesses and individual users looking to expand their storage capacity. With the latest firmware (version, the device delivers a comprehensive set of features to optimize data storage and sharing.

List of Features

  • 2-bay network-attached storage device with a vertical design
  • 2 3.5-inch SATA hard drive bays, expandable to 8 with expansion unit
  • Dual-core 2.0 GHz processor for high performance
  • Powered by QTS operating system with advanced applications and toolsets
  • Supports numerous file protocols, including SMB/CIFS, NFS, FTP, and AFP
  • Available for use within Windows, Mac, and Linux environments


CPU ARM Cortex-A9 dual-core 2.0GHz
Memory 1GB DDR3 RAM (expandable up to 3GB)
RAID Management Single Disk, JBOD, RAID 0/1, and Online RAID Capacity Expansion and Online RAID Level Migration
Networking Dual Gigabit LAN Ports with Link Aggregation Support; TCP/IP (IPv4 & IPv6: Dual Stack), Wake on LAN, and CCXB/PCH
Power Consumption (W) 18W (HDD standby), 20W (in operation)
Dimensions 8.27 x 5.98 x 4.25 inches

Technologies Utilized

In order to provide optimal performance and functionality, the QNAP TS-221 TurboNAS leverages several advanced technologies in addition to its powerful hardware:

  • NTFS, EXT3, EXT4, HFS+ file systems
  • Virtualization Technology
  • Apple Time Machine Support
  • Cloud-based storage
  • User Authentication (AA, LDAP)

Known Issues and Troubleshooting

Like any complex device, the QNAP TS-221 TurboNAS may sometimes encounter some issues that require troubleshooting to resolve. Some of the most common issues include:

  • Slow performance in dual-bay configurations with both drives where a firmware update can be usuallyused to correct the issue
  • Error message "Alert Message HDD Failed in the SMTP notifications" caused by a mismatched SMTP port

If these or other issues arise, consult the user manual or seek assistance from a qualified technician for advice or support.

Device Driver: QNAP TS-221 TurboNAS QTS Firmware

The QNAP TS-221 TurboNAS requires a device driver that enables users to communicate with it from their computers or other devices. The QNAP TS-221 TurboNAS QTS Firmware is a compatible driver designed for this device model.

This driver enhances the device’s functionality and it is recommended to maintain updated firmware for protection, enhanced features, and stability of the device. The driver can be updated through the QNAP Device Firmware Update page or the Qfinder Pro utility.