Comprehensive virtualization support

The TS-421 supports VMware® ESXi, Citrix® XenServer, Microsoft® Hyper-V and Windows Server 2012, and also supports advanced functions including SPC-3, MPIO and MC/S, enabling flexible deployment and management for virtualization needs. The TS-421 supports VMware VAAI to increase performance by offloading ESXi server loading, and supports QNAP vSphere Client plug-in to provide enhanced operational efficiency in managing virtualization applications.

Learn more ：Virtualization

Dropbox-like file sync across devices

Is Dropbox not enough to satisfy your storage needs? With Qsync, your TS-421 is turned into a safe data center for file synchronization. Every file uploaded to the TS-421 will be made available for all linked devices including computers, laptops and mobile devices. Qsync is especially useful for frequent travelers as it ensures the most up-to-date files are accessible on all linked devices. Qsync provides multiple ways of file synchronization and group file sharing, greatly enhancing the flexibility of team projects and collaboration.

Learn more： Qsync

A private cloud without constraints

In contrast to the limited storage space and security concerns of public cloud services, the TS-421 is advantageous for establishing a secure and large-capacity private cloud. myQNAPcloud service allows remote access to the TS-421 from anywhere. You can easily get access to the TS-421, instantly share multimedia contents and check the system status via the Internet whether you are on the bus or in a coffee shop.

Learn more： myQNAPcloud

Windows AD / LDAP support

The support of Windows AD and LDAP Directory Service saves a great amount of time for account management and authentication. Users can use their Windows AD or LDAP server account and password to log into the Turbo NAS. The TS-421 can also serve as an LDAP server.

Learn more: Windows AD, LDAP Directory Service

Well-rounded backup solutions to secure data

QNAP Netbak Replicator supports real-time and scheduled data backup on Windows including Outlook email archiving. Apple Time Machine is also supported to provide Mac OS X users with an effortless solution to back up data to the TS-421. A wide range of third-party backup software such as Acronis True Image and Symantec Backup Exec are also supported.

Learn more： NetBak Replicator , Time Machine backup, Third-party backup software compatibility

Disaster recovery solutions bring peace of mind

The TS-421 offers various data recovery options. RTRR (Real-Time Remote Replication) supports real time or scheduled data backup to remote Turbo NAS or FTP servers and synchronizes files to remote folders from local folders with better backup efficiency and reduced backup time. The TS-421 also supports rsync protocol to back up data to remote servers on a scheduled basis. Data can also be backed up to and restored from a range of cloud storage services, including Amazon® S3, ElephantDrive®, Dropbox® and Google Cloud Storage.

Learn more：RTRR, rsync, Cloud storage backup

High security

In an open network environment, business data may be exposed in a potential hack. The TS-421 provides numerous security options, such as encrypted access, IP blocking, and other protective features. IT administrators can also control the access rights of each user to different folders, preventing unauthorized access to important files.

Learn more： Encrypted access, IP blocking, Antivirus

Increase data capacity with flexible storage expansion options

The TS-421 supports large storage capacities; fulfilling business needs to store large amounts of data. It also supports comprehensive RAID management, online RAID capacity expansion, and flexible RAID migration to safely store important data therefore reducing the risks of data loss. With reliable data protection, the TS-421 is perfect for cross-platform data sharing.

Learn more：Online RAID expansion, RAID level migration

A surveillance solution with 24/7 security

The Surveillance Station turns the TS-421 into a professional surveillance solution with the user-friendly management interface, a wide range of compatible IP camera models, and expandable IP camera channel licenses. It also supports real-time monitoring, recording & playback with a wide range of customizable settings, and with the Vmobile app on your iOS® or Android™ devices you can manage the monitoring of cameras anytime, anywhere, for total surveillance of your monitored environment.

Learn more：Surveillance Station

Access, sync and share on your mobile devices

The TS-421 is your private cloud storage that virtually enlarges the capacity of your smart mobile devices. Qfile allows you to access, upload, download, manage, and share stored files easily as if you are carrying tons of files in your pocket. The Qfile app for iOS also allows users to browse videos and photos stored on the TS-421 and play on the TV via AirPlay. Qmanager lets you monitor and manage the TS-421 remotely and efficiently without turning on a PC.

Learn more：Qfile, Qmanager

Easy system setup on start.qnap.com

The TS-421 provides system installation without using a CD. Simply visit the setup portal start.qnap.com and follow the setup guide to complete the system setup and download the utilities you want. For beginners, the TS-421 features an "Auto Setup" option to provide an easy way to set up the TS-421 with recommended settings. All settings can be flexibly changed at a later time after the installation.

Flexible & diverse, yet simple

Supporting SATA 6Gb/s and 3Gb/s hard drives and various 3.5”/2.5” hard drives and SSDs, the TS-421 provides users with high flexibility in selecting hard drives. The various inbuilt I/O ports help accommodate different peripherals, including external storage devices and printers. Meanwhile, the TS-421 allows file sharing and storage on different operating systems, such as Windows, Mac, Linux and UNIX. The simplified system setup process and the friendly-designed graphical user interface enable anyone to easily build up a business private cloud even without IT expertise. The TS-421 has flexible and diverse features, but is simple to use.

Learn more： Compatibility list, Cross-platform file sharing

Install apps on demand to extend NAS functionality

The QNAP App Center provides a wide range of apps developed by QNAP and third-party developers, including tools for backup/sync, business, content management, communications, download, entertainment, and much more. The App Center is a centralized location for installing, managing, and updating apps on demand. In addition, QNAP’s development platform embraces the open-source spirit to enable developers to create their own apps, adding potentially limitless opportunities for the TS-421.

Learn more： App Center

Ultra high performance

The TS-421 is a 4-bay IP SAN/NAS unified storage, for small and medium businesses. Featuring a powerful Marvell 2.0 GHz Processor and 1GB DDR3 RAM, the TS-421 provides high efficiency for CPU-consuming tasks and serves more concurrent tasks at the same time.

NAS management can be just that easy.

The TS-421 provides comprehensive system tools to increase management efficiency.

Instant Alert Notifications

SNMP (Simple Network Management Protocol)

Wake on LAN

With the SMTP and SMS settings on the Turbo NAS, system administrators will get notifications from SMS or emails when any error occurs.

Administrators can flexibly set up the time of turning on/off for the Turbo NAS, maximum 15 sets of schedules are allowed for turning on, off, or rebooting.

Scheduled Power on/off

S.M.A.R.T. & Advanced Hard Drive Health Scan (HHS)

Comprehensive Event Logs

Additional features

The TS-421 supports various business applications as an all-in-one Turbo NAS with cost-efficiency.

FTP Server

Web Server

RADIUS Server

The Turbo NAS supports FTP server to share large size files, coming with user-defined settings including bandwidth limitation, number of connections, and write-only permission.

The Turbo NAS supports VPN server which provides an easy way for IT administrators to build up a secure private network and allows the staff to log on from outside the office and access business resources securely such as files and Internet connections.

VPN Server

Print Server

Surveillance Station

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