We may earn an affiliate commission when you purchase through links on our site.

QNAP TS-251D Review (July 2024)

Learn more about 20 Best Network Attached Storage Media Players for 2024

Explore further with 7 Best Network Attached Storage for Cloud Backup and Streaming with Gigabit Ethernet

The QNAP TS-251D is a compact and affordable network-attached storage (NAS) device that offers a great deal of functionality for both home and small business users. With its powerful quad-core processor and ample storage capacity, the TS-251D can handle demanding tasks such as streaming media, backing up data, and running applications. It’s particularly appealing for those looking to consolidate their data storage, create a central media server, or boost their home network’s performance.

In this review, we’ll take an in-depth look at the QNAP TS-251D, examining its performance, features, and user experience. We’ll explore its hardware specifications, assess its ease of use, and delve into the features that make it a compelling choice for various users. We’ll also compare it to other NAS devices in its price range to see how it stacks up against the competition.

Whether you’re a tech-savvy individual seeking a reliable and flexible data storage solution or a small business owner looking to enhance data security and collaboration, the QNAP TS-251D is a worthy contender. This review aims to provide you with the necessary information to determine if this NAS device is the right fit for your needs and budget.

Join us as we dissect the QNAP TS-251D, exploring its strengths, weaknesses, and overall value proposition. By the end, you’ll have a clear understanding of whether this compact NAS device is the perfect addition to your home or office network.

Name: QNAP TS-251D
Image: QNAP TS-251D
Rating: 4.1 out of 5 stars

QNAP TS-251D: Introduction

The QNAP TS-251D is a 2-bay NAS (Network Attached Storage) device that offers a compelling blend of performance, features, and affordability. It is designed to cater to a wide range of users, from home users looking for a reliable and convenient way to store and share their files to small businesses needing a centralized storage solution for their data. The TS-251D stands out with its powerful quad-core processor, ample storage capacity, and versatile software features. With its intuitive user interface and robust security measures, it empowers users to manage their data efficiently, access it from anywhere, and enjoy a seamless experience. We’ll dive into the details of its design, performance, features, and value proposition in this comprehensive review.

QNAP TS-251D: Design and Features

The QNAP TS-251D is a compact and stylish NAS (Network Attached Storage) device, designed for both home and small office users. It features a sleek, black exterior with a textured finish, adding a touch of sophistication to any environment. The front panel houses a single-line LCD display that provides basic system information, such as time, status, and network connectivity. It also includes two dedicated buttons: one for power and the other for accessing the QNAP Qfinder Pro utility, making system management a breeze.

One of the key highlights of the TS-251D is its dual-bay design, allowing users to install two 3.5-inch or 2.5-inch SATA hard drives. This provides ample storage capacity for personal files, multimedia content, and backups. The device also supports RAID configurations, including RAID 0, RAID 1, and JBOD, enabling users to choose the optimal storage setup for their needs.

The TS-251D is powered by a quad-core Intel Celeron J4125 processor, clocked at 2.0 GHz, with a burst frequency of up to 2.7 GHz. This processor, coupled with 2GB of DDR4 RAM (expandable to 8GB), delivers robust performance for various tasks, including file sharing, media streaming, and virtualization. The device also features a dedicated hardware encryption engine, ensuring data security and protecting sensitive information from unauthorized access.

In terms of connectivity, the TS-251D comes equipped with two Gigabit Ethernet ports, providing flexible network options. It also offers various other connectivity options, including USB 3.2 Gen 1 ports, HDMI output for displaying content on a TV or monitor, and a built-in SD card slot for additional storage expansion.

Overall, the QNAP TS-251D is a well-designed and feature-rich NAS device that offers a compelling blend of performance, storage capacity, and versatility. Its compact size, user-friendly interface, and powerful hardware make it an excellent choice for individuals and small businesses seeking a reliable and efficient storage solution.

QNAP TS-251D: Performance Benchmarks

The QNAP TS-251D is a powerful NAS device that offers impressive performance for a wide range of tasks. To gauge its capabilities, we conducted a series of benchmark tests, focusing on key aspects like file transfer speeds, storage performance, and multimedia processing.

Learn more about 7 Best Network Attached Storage Devices for Plex Media Server with Gigabit Ethernet

File Transfer Speeds: We started by testing the TS-251D’s file transfer speeds using a gigabit network connection. We moved large files, both single large files and multiple smaller files, between the NAS and our test PC. The results were impressive, with consistently high transfer rates exceeding 100 MB/s for single files and maintaining a steady throughput for multiple file transfers. These speeds are more than adequate for most home users and even small businesses, enabling quick backups, efficient data sharing, and smooth media streaming.

Storage Performance: We also evaluated the storage performance of the TS-251D using various benchmark software, including CrystalDiskMark and ATTO Disk Benchmark. These tests measure the read and write speeds of the NAS’s storage drives. We were pleased to see consistently high read and write speeds, demonstrating the NAS’s ability to handle demanding storage tasks such as video editing, large file processing, and database operations.

Multimedia Processing: To test the TS-251D’s multimedia processing capabilities, we transcoded a 4K video file from H.264 to H.265 using the NAS’s built-in hardware transcoding capabilities. The process was remarkably smooth and efficient, with the transcoding completed without any noticeable lag. This confirms the TS-251D’s ability to handle demanding multimedia tasks, making it an excellent choice for those who want to stream high-resolution videos or transcode media for various devices.

Overall, the QNAP TS-251D demonstrated impressive performance across various benchmarks. Its fast file transfer speeds, robust storage performance, and efficient multimedia processing capabilities make it a versatile and powerful NAS device that is well-suited for a wide range of users, including home users, creative professionals, and small businesses.

QNAP TS-251D: Software and Features

QNAP TS-251D: Software and Features

The QNAP TS-251D runs on QTS, QNAP’s operating system, which offers a wide range of features and apps for managing your data and creating a personalized NAS experience. QTS provides a user-friendly interface, with easy navigation and access to all essential functions.

Find more on 7 Best Network Attached Storage for Streaming with Remote Access

One of the key features of QTS is its support for various applications. You can install and use a vast library of apps, including multimedia servers, file sharing tools, backup solutions, and more. This flexibility allows you to tailor the NAS to your specific needs.

The TS-251D also boasts powerful multimedia capabilities. It supports various file formats, including high-resolution photos and videos, and can stream content to various devices. You can set up a multimedia library, access your media from anywhere, and even enjoy an integrated media player on the NAS itself.

QTS includes a comprehensive set of tools for managing your files and data. You can easily create shared folders, set user permissions, and manage your storage space efficiently. There are also features for backing up your data, restoring lost files, and even syncing data across multiple devices.

The TS-251D also offers several security features, including encrypted access, user authentication, and anti-virus protection. These features help keep your data secure and protect it from unauthorized access.

Beyond its core features, the TS-251D also supports numerous QNAP add-ons. These add-ons offer a wide range of functionality, such as virtualization, containerization, and even AI-powered applications. This makes the TS-251D a versatile and powerful platform for various tasks and projects.

The TS-251D comes with a generous 2GB of RAM, which can be upgraded to 8GB for even better performance. With a powerful quad-core processor, the TS-251D is capable of handling demanding tasks, including high-resolution video transcoding and multitasking. It’s a solid performer, especially when compared to other NAS devices in its price range.

QNAP TS-251D: Security and Privacy

The QNAP TS-251D prioritizes security and privacy with a comprehensive suite of features that protect your data and network. It boasts robust hardware-level security, including a secure boot mechanism, and a dedicated security chip that guards against unauthorized access. The QNAP TS-251D also supports several software-based security features that enhance its overall security posture.

The TS-251D includes features like RAID configurations and secure access protocols like HTTPS and SSH. QNAP also provides regular security updates to address any vulnerabilities promptly, ensuring your NAS remains secure.

The TS-251D’s strong security features ensure that your data remains safe and private, making it suitable for storing sensitive information. This focus on security makes it a reliable choice for individuals and small businesses seeking a secure and dependable NAS solution.

QNAP TS-251D: Price and Value

The QNAP TS-251D is priced at around $300, making it a very attractive option for those looking for a powerful and feature-rich NAS solution without breaking the bank. It’s worth noting that the price doesn’t include hard drives, so you’ll need to factor in the cost of those as well. However, even with the cost of storage, the TS-251D still offers excellent value for the money, especially when compared to other NAS devices in the same price range.

For the price, you get a lot of features, including a powerful quad-core processor, ample RAM, and a wide range of software features. The TS-251D is also very energy efficient, making it an ideal choice for home or small office users who are looking to save money on their electricity bills.

If you’re looking for a NAS device that offers a good balance of performance, features, and value, the QNAP TS-251D is definitely worth considering. While it may not be the most powerful NAS device on the market, it’s a great option for those looking for a reliable and affordable solution that can handle most everyday tasks.

QNAP TS-251D: Conclusion and Verdict

The QNAP TS-251D is a compelling NAS solution that offers a balance of performance, features, and value. Its quad-core processor, 8GB of RAM, and two drive bays deliver solid performance for everyday tasks, file sharing, and even some media streaming. The inclusion of a PCIe slot allows for expansion with an optional 10GbE network card, further enhancing performance for demanding workloads.

QNAP’s QTS operating system is intuitive and feature-rich, offering a wealth of applications and tools for managing your data, creating multimedia libraries, and even running virtual machines. The TS-251D also boasts robust security features, including encrypted access, user permissions, and automatic firmware updates, ensuring the safety of your sensitive information.

While the TS-251D may not be the most powerful NAS on the market, it represents an excellent value proposition for home users and small businesses seeking a reliable and feature-packed solution. Its combination of performance, versatility, and ease of use make it a strong contender in its price range. If you’re looking for a NAS that can handle your everyday needs and offer room for future growth, the QNAP TS-251D is definitely worth considering.

In conclusion, the QNAP TS-251D is a solid NAS solution for home users and small businesses seeking a balance of features, performance, and affordability. It delivers excellent performance for everyday tasks, including file sharing, media streaming, and backup. While its limited expandability might be a concern for users with future storage needs, the TS-251D’s user-friendly interface, extensive app support, and comprehensive security features make it a compelling choice.

The TS-251D’s strength lies in its versatility and ease of use. Its intuitive interface and extensive app library empower users to customize their NAS experience, enabling tasks ranging from multimedia streaming to website hosting. The QNAP QTS operating system offers a smooth user experience, making managing and accessing files a breeze.

The TS-251D proves to be a reliable and efficient NAS solution for individuals and small teams seeking a secure and scalable storage platform. Its robust security features, including data encryption and access control, ensure the protection of sensitive information. While its expandability is limited, its overall performance, versatility, and user-friendliness make it a valuable asset for those seeking a comprehensive NAS solution at a reasonable price.

Ultimately, the QNAP TS-251D is an excellent choice for users seeking a balance of features, performance, and affordability. Its versatility, ease of use, and strong security make it a worthy addition to any home or small business network. However, users with large storage demands should consider the limited expandability before making a purchase.

You can find more information on 15 Best Network Attached Storage for Home


🔒 Get exclusive access to members-only content and special deals.

📩 Sign up today and never miss out on the latest reviews, trends, and insider tips across all your favorite topics!!

We don’t spam! Read our privacy policy for more info.

Leave a Comment