QTS 4.0 is the new powerful Turbo NAS operating system for home entertainment and business applications.

Built on a Linux foundation, QTS 4.0 Turbo NAS operating system is shaped from the optimized kernel to deliver high-performance services satisfying your needs in file storage, management, backup, multimedia applications, and surveillance, and more.

The intuitive, multi-window and multi-tasking QTS 4.0 GUI make it incredibly easy to manage your Turbo NAS, utilize its rich home applications, enjoy multimedia collections with more fun, and install a rich set of applications in the App Center on demand to expand your Turbo NAS experience.

Moreover, the QTS 4.0 adds value to business applications with its abundant features, including file sharing, iSCSI and virtualization, backup, privilege settings, and so on, effectively increasing business efficiency.

QTS 4.0 for home and home office


QTS 4.0 delivers an unprecedented user experience. Its intuitive multi-window user interface allows you to manage your Turbo NAS with ease; its rich functionalities, multi-device file synchronization, and smart mobile apps let you enjoy your multimedia collections in a fun and engaging way. The App Center offers a variety of apps for you to install on demand and extend the potential of Turbo NAS.

Quick Setup

Now you can easily set up your Turbo NAS online anywhere via your PC, Mac, iOS or Android devices. Simply visit start.qnap.com to finish the setup without using a CD.

Auto Setup

The "Auto Setup" option provides an easy way to set up the Turbo NAS with recommended settings. All settings can be flexibly changed at a later time after the installation.


If Internet access is not available for setting up the Turbo NAS, you can install the Qfinder utility to finish the setup within the Intranet. Qfinder is a utility available for Windows, Mac, and Linux users to quickly find, set up, and access the Turbo NAS over the local network. All you need to do is install Qfinder on your computer, open it, and double click the name of your Turbo NAS, and the login page will be ready for you.

Easily access the NAS by Storage Plug & Connect

Windows version of Qfinder provides a convenient way to connect to the Turbo NAS and map a network drive or a virtual disk. By creating a shared folder on the Turbo NAS and mapping it as a network drive, you can use it as an additional drive and store files on it as it is a local drive of the computer.

Log on to QTS 4.0, click the application icons on the desktop, you can use it right away. It requires no training. Everything is simple and easy.

Intuitive, zero learning

QTS 4.0's innovative desktop requires virtually no learning process. You will be amazed by the modern and stylish desktop. It features an intuitive and easy-to-follow layout, simplifying the whole Turbo NAS experience and appealing to your sense of style at the same time.

Multi-window, multi-tasking

  • QTS 4.0 enables you to open multiple application windows and run multiple tasks concurrently. There is no need to wait for one task to finish before starting another.
  • The applications can be minimized onto the Toolbar, enabling you to see an overview of all the 'open' applications allowing you to quickly switch between them.
  • Take File Station for example, you can open two File Station windows to drag and drop files between the windows to increase file operation efficiency.

Expand the possibilities of your Turbo NAS with add-on apps. There are a variety of apps available from the App Center, offering many fascinating features to add to your Turbo NAS. Click the App Center, and start to explore!

Powerful, organized, rich-in-content

The new App Center makes it easy to find and install an abundant array of apps. It's also a central place to manage and update your installed apps.

One Click. Install on demand.

All the add-on apps are listed by category, including backup/sync, business, content management, communications, developer tools, download, entertainment, surveillance and utilities. Find what you need and install it immediately with just one click.