QNAP TS-251+ HDMI Turbo NAS User Manual

QNAP TS-251+ HDMI Turbo NAS

TS-251+ / 451+

High-performance Quad-Core NAS with scalability, graphics, and video transcoding

• Centralize your file storage, sharing, and backup with 200MB/s+ performance
• Snapshot function for multiple recovery points and incremental replication for disaster recovery
• Operate multiple virtual machines as well as download containerized apps
• Play videos with multi-channel audio pass-through via HDMI or transcode videos on-the-fly or offline

Files storage, sharing, and increased multimedia usage are driving demand for affordable, flexible NAS solutions that can meet ever-growing capacity and management needs. The TS-251+/451+ quad-core  2.0GHz (upgradable to 2.42GHz) is a perfect match for SOHO, home theater enthusiasts, and audiophiles looking to maximize their audiovisual experience. The TS-251+/451+ are designed to provide superior performance and expansion capabilities enabling you to grow cost effectively while reducing operational overhead. The QNAP operating system, QTS 4.2, is equipped with a variety of intelligent and easy-to-use applications. QTS is simply designed to meet all your needs for storage, synchronization, management, backup, multimedia, remote access, and surveillance. QTS 4.2 is the ideal platform from which to build your private cloud. Use the TS-251+/451+ with a screen, keyboard, and mouse connections to transform your virtual machines into physical computers. The TS-251+/451+ is a cost-efficient, flexible, and reliable high-performance NAS with a huge range of cross-platform support.

Connect the TS-251+/451+ to an HDTV or A/V receiver via HDMI and use the HybridDesk Station (HD Station) with the free QNAP remote control to enjoy rich multimedia content for the best audiovisual experience. Use the bundled QNAP remote control for watching movies, listening to music, or enjoying a slideshow of treasured photos. Just grab the remote control and enjoy the best in QNAP NAS convenience. Every family member can enjoy entertainment on demand, and from different locations. Centrally manage and stream photos, music, and videos from the TS-251+/451+ to different rooms from a single device using Bluetooth®, USB devices, HDMI, DLNA®, Apple TV® and Chromecast™. The TS-251+/451+ supports Roku® Amazon Fire® TV™, and Google TV ™ in addition to fully supporting Plex media server for the ultimate in flexibility. Search for, install, remove, and update apps through the App Center to extend the functionality of your QNAP NAS.

The QTS App Center provides a wide range of install-on-demand apps for you to enjoy. The available applications include media servers for family entertainment, cloud backup, and synchronization tools, helpful communication platforms, and many many more. The TS-251+/451+ are completely flexible, and perfect companions for SOHO users as a file manager, backup manager, download manager, permissions manager, and multimedia center.

• Exceptional quality and outstanding ROI: High-performance Quad-core processor for  demanding workloads
• Quad-core 64-bit Intel® Celeron® CPU for exceptional performance: The TS-251+/451+ is powered by a 64-bit Intel® Celeron® quad-core 2.0GHz processor and has 2GB/8GB energy-efficient DDR3L RAM (upgradable to 8GB) and dual Gigabit LAN ports, delivering up to 225 MB/s read & write speeds with port trunking mode. The TS-251+/451+ can also automatically increase the processor’s clock rate from 2.0GHz to 2.42GHz when needed for CPU-intensive tasks.
• AES 256-bit volume & folder encryption: The TS-251+/451+ supports AES 256-bit volume & folder encryption with transfer speeds of up to 204 MB/s (TS-451+), boosting system performance & security while ensuring the safety of sensitive personal data stored in the TS-251+/451+.

Test Environment:

• NAS: OS: QTS 4.2.0
• RAID type: RAID 5; 4 x Seagate 1TB HDD (ST1000NM0033);
• direct connection between a NAS and PC

Client PCs:

• Intel® CoreTM i7-4790 3.60GHz CPU; DDR3-1600 16GB; Seagate 500GB ST500DM002; Intel Gigabit CT (MTU 1500); Windows® 7 Professional 64bit SP1 IOMeter configuration: Continuously read from/write to a single 8GB file for 4 minutes. Block size: 64KB for SMB2.0 (Throughput)
• The results are from QNAP Labs. Figures may vary by environment.

Enjoy videos on TV with bundled remote control

The TS-251+/451+ is very simple and intuitive to use. You can use the dedicated QNAP remote control to directly control and play multimedia on your TS-251+/451+.

QTS 4.2

Experience a simple and perfect design

• Multitasking, multi-window, multi-desktop, and multi-display modes: The new QTS operating system dramatically improves your efficiency with multitasking, multi-window, multi-desktop, and multi-display modes enabling you to begin new tasks without waiting for the previous one to end. Minimize running apps to the taskbar and similarly switch between them to a traditional PC environment. The multi-desktop design of QTS enables drag-and-drop shortcut icons from the Control Panel or Main Menu to the desired desktop to suit your preferences. Drag and drop a desktop icon on top of another to group them to create a more efficient and personalized desktop.
• Smart dashboard: Click on the upper-right corner of the desktop to get an immediate system status summary display. Open the smart dashboard to obtain a quick view of important information including system health, disk information and health, resource monitoring, storage space, scheduled tasks, device information, and firmware information. Drag and drop dashboard functions to the desktop to keep them readily available for ongoing monitoring. In the event of a critical failure (hard disk corruption, etc.) the smart dashboard will flash and prompt a system administrator and suggest immediate action to recover or prevent the loss of data.
• Recycle Bin: The Recycle Bin enables the recovery of files that have been accidentally deleted. Right-click on the Recycle Bin on the desktop to empty it or open it to see the full range of functions available.

Qsirch A smarter, faster way to search

• Search for everything on your QNAP NAS: Qsirch 2.0 is equipped with QNAP exclusive technology TF-IDF (Term frequency – Inverse document frequency), a Real-Time search engine, and real-time suggestions so that you can sort through files faster and more precisely. In addition, Qsirch supports full-text search with more than six thousand different file types and dynamic results display to enhance productivity greatly.
• Qsirch browser add-on for Google Chrome: Install the Qsirch add-on to enable Qsirch from your web browser. Simply click on the Qsirch icon on the right of the address bar to search Google and your QNAP NAS simultaneously. Your Qsirch and Google search results will appear side-by-side for space-saving, time-saving convenient comparison.
• Presentation by file types: Search results can be filtered and presented by types including photos, music, videos, and documents. This visualization enables you to locate your desired results faster. In addition to sorting by file type, results can be organized based on criteria such as modified dates, file sizes, etc.
• Content Preview: Thumbnail previews for photos, videos, and PDFs make searching and browsing through voluminous data a lot faster, while the Gmail preview function enables you to preview emails and your Gmail backup files easily and quickly.

Frequently Asked Questions

How can I connect to the TS-251+ remotely?

You can connect to the TS-251+ remotely through the QTS operating system, which provides features like remote access, file sharing, and multimedia streaming. You can also use mobile apps on Windows, macOS, iOS, and Android devices.

Can I use the TS-251+ as a media server?

Yes, the TS-251+ can function as a media server. You can stream multimedia files via DLNA, Chromecast, and Bluetooth with multi-zone multimedia control. It also supports HDMI output for a better audio-visual experience.

What is the purpose of SSD Cache Acceleration?

SSD Cache Acceleration can improve the overall performance of the NAS by using SSDs to cache frequently accessed data. This helps reduce latency and improve response times for frequently used files and applications.

What is the maximum number of volume or LUN snapshots supported?

The maximum number of snapshots supported depends on your NAS model and configuration. You can check the specific limitations in the NAS's documentation, but the minimum snapshot interval is 5 minutes.

How do I expand storage with the QNAP UX-800P expansion enclosure?

To expand storage, you can connect the QNAP UX-800P expansion enclosure to the TS-251+ via the provided interfaces. It allows you to add more drives and increase your storage capacity.

Does the TS-251+ support external RAID devices?

Yes, the TS-251+ can manage external RAID devices, such as those connected via USB or eSATA. It provides options for external storage management.

Can I use the TS-251+ for cloud backup and synchronization?

Yes, the TS-251+ supports various backup and synchronization options, including NAS to NAS backup, cloud backup, and cloud sync. You can back up your data to cloud services like Amazon S3, Dropbox, and more.

What are the supported RAID expansion methods for the TS-251+?

The TS-251+ supports RAID expansion by adding disks and replacing larger disks for increased storage capacity. It also allows for storage pool expansion by adding RAID groups.

How can I enhance the NAS's security?

You can enhance security through features like AES 256-bit Volume Encryption, 2-step verification, access protection, firewall settings, and malware protection. Additionally, you can block specific services and IPs to improve security.

Can I set up a Virtual Private Network (VPN) on the TS-251+ for remote access?

Yes, the TS-251+ supports VPN services, including PPTP, L2TP/IPSec, OpenVPN, WireGuard, and QBelt (QNAP proprietary). You can set up VPNs to securely access your NAS remotely.

What is the maximum number of concurrent clients supported for VPN connections?

The TS-251+ supports up to 100 concurrent clients for VPN connections.

Does the TS-251+ support surveillance camera recording?

Yes, the TS-251+ supports surveillance camera recording through QVR Pro and QVR Elite. It allows for recording and managing camera streams.

User Manual

Reference:QNAP TS-251+ HDMI Turbo NAS User Manual- device.report

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