The 12 Best Network Attached Storage Devices for 2021

The 12 Best Network Attached Storage Devices for 2021Our editors have compiled this directory of the best network attached storage devices based on Amazon user reviews, rating, and ability to add value.

If you’re running out of storage space at home or at work, network attached storage (NAS) devices can be a great way to solve the problem. These devices can vary widely in terms of capacity, backup capabilities, and cost, among other factors. A NAS device is a good fit for users or small businesses looking to securely share and access files without having to plug into a drive, from any location. However, with so many options on the market, determining which NAS is best for you and your organization’s needs can be an overwhelming process.

The editors at Solutions Review have done the research for you, curating this directory of the best network attached storage devices on Amazon. The products have been selected based on the total number and quality of user reviews, as well as the ability to add value. Each of the NAS devices listed in this compilation meets a minimum criteria of 25 reviews and a 4-star-or-better ranking. Many of these devices also come in a range of capacity options.

Note: Products are listed in no particular order.

NETGEAR ReadyNAS 2304, Rackmount 1U 4-bay, Dual Gigabit Ethernet, Diskless (RR230400)

NETGEAR ReadyNAS 2304, Rackmount 1U 4-bay, Dual Gigabit Ethernet, Diskless (RR230400)From the manufacturer: “ReadyNAS 2304 offers the ideal solution to a small and medium size business (SMB) that requires file serving and data backup to support teams of up to 40 employees. The RR2304 supports the entire suite of features in ReadyNAS OS, including 5 levels of data protection, ReadyDR disaster recovery, and virtualized storage for VMware and other virtualized networks. Powered by a dual core Intel CPU, the RR2304, features a dual Gigabit Ethernet interface, delivers over 2x the data throughput of its predecessor, the RN2120, with significant processing capacity headroom. The superior hardware architecture enables the RR2304 to perform all business applications in the ReadyNAS OS, including ReadyDR, a block level backup solution for disaster recovery, as well as ReadyNAS Milestone VMS, a surveillance video management system.

Popularity: 126 ratings and 4.5 stars.

Synology 2 Bay NAS DiskStation DS218 (Diskless)From the manufacturer: “Synology DS218 offers massive storage capacity that makes it easy to create your own private cloud and maintain complete control over your data. Boost work productivity with enhanced collaboration tools and further protect your data with robust backup solutions. Access files on your Synology DiskStation over the Internet without the hassle of setting up complicated network settings. QuickConnect allows you to connect via a simple customizable address so that you can instantly access media and work files on any Windows/Mac/Linux computer, laptop, or mobile device without additional charge. Synology also provides various mobile applications allowing you to enjoy your multimedia library even when on the go.”

Popularity: 1,148 ratings and 4.7 stars.

Asustor AS5202T | Gaming Inspired Network Attached Storage | 2.0GHz Dual-Core, Two 2.5GbE Ports, 2GB RAM DDR4, 4GB eMMC Flash Memory | Personal Private Cloud (2 Bay Diskless NAS)

Asustor AS5202T | Gaming Inspired Network Attached Storage | 2.0GHz Dual-Core, Two 2.5GbE Ports, 2GB RAM DDR4, 4GB eMMC Flash Memory | Personal Private Cloud (2 Bay Diskless NAS)From the manufacturer: The ASUSTOR NAS provides seamless cross-platform and multi-user access, allowing you to easily connect to your NAS from Windows, Mac OS X or Unix-like operating systems no matter if you are using a PC, notebook, tablet or smartphone. Snapshot Center is a new feature for ASUSTOR NAS devices to utilize Btrfs and iSCSI volumes to take snapshots of the information inside a NAS. Snapshot Center supports up to 256 snapshots of a volume and can be done every five minutes, creating a backup that can be restored easily if data is damaged or lost.”

Popularity: 218 ratings and 4.5 stars.

TerraMaster F4-210 4-Bay NAS 1GB RAM Quad Core Network Attached Storage Media Server Personal Private Cloud (Diskless)

TerraMaster F4-210 4-Bay NAS 1GB RAM Quad Core Network Attached Storage Media Server Personal Private Cloud (Diskless)From the manufacturer: A 4-bay entry-level NAS optimized for home and SOHO users, running the latest TOS 4.1 operating system. ARM v8 quad-core 1.4GHz CPU with 1GB RAM (not upgradeable), blazingly fast read/write speeds of more than 114 MB/s (RAID 0, WD Red 4TB x 2), hardware encryption. The WD Red hard drives and the Seagate IronWolf ones are recommended. Supports Emby and Plex media servers, which keep your videos, music, and photos personal media beautifully organized,always ready for on-demand streaming to your PC, mobile device, smart TV, or games console. Compatible with 3.5″ and 2.5″ SATA HDD, 2.5″ SATA SSD. Each bay supports the HDD up to 16TB (Total of 64TB in RAID 0). Supports the Plex and Emby media servers. Supports Docker, Plex, cloud drive sync, multiple backups, remote access and mobile app. Dozens of free applications; Ultra-quiet heat dissipation technology.”

Popularity: 350 ratings and 4 stars.

NETGEAR ReadyNAS 3138 1U Rackmount 4-Bay Network Attached Storage, Diskless (RN3138-100NES)

NETGEAR ReadyNAS 3138 1U Rackmount 4-Bay Network Attached Storage, Diskless (RN3138-100NES)From the manufacturer: “Application data, virtual images, client files, email. the types of data central to running a successful business can seem endless. ReadyNAS is that advanced and easy-to-use solution for centralizing, securing and controlling access to your digital assets. More than just simple unified (NAS and SAN) storage, ReadyNAS lets you do more than you ever thought you could afford – pairing the latest in performance with innovative efficiency technologies such as unlimited snapshots, thin provisioning and cloud-managed replication. Designed for the unique needs of SMB, the ReadyNAS Rackmount Series combines advanced features with simple, efficient management.”

Popularity: 36 ratings and 4.7 stars.

WD 4TB My Cloud EX2 Ultra Network Attached Storage – NAS – WDBVBZ0040JCH-NESN

WD 4TB My Cloud EX2 Ultra Network Attached Storage - NAS - WDBVBZ0040JCH-NESNFrom the manufacturer: “Organize your media collection in a single place on this high-performance NAS solution, and access it securely from anywhere. With My Cloud EX2 Ultra, you get ultra-fast transfer speeds for smooth HD streaming. Plus, you’ll be able to automatically sync content across computers, easily share files and folders, and enjoy multiple backup options so you can create your own personalized system with ease.”

Popularity: 1,564 ratings and 4.2 stars.

QNAP TS-451D2-2G 4 Bay 4K Hardware transcoding NAS with Intel Celeron J4025 CPU and HDMI Output

QNAP TS-451D2-2G 4 Bay 4K Hardware transcoding NAS with Intel Celeron J4025 CPU and HDMI OutputFrom the manufacturer: “The 4-bay TS-451D2 provides high storage potential for home and small business users to store, share, and back up files. Business users can leverage its dual-core Intel processor to enable seamless multi-user on-premises/remote access to work files, while home users can enjoy a high-quality multimedia experience with both streaming and direct 4K HDMI 2.0 output. Cloud Storage Gateways allow you to leverage your existing cloud storage to deploy a hybrid-cloud solution, while a built-in App Center provides a wide range of applications to add additional functionality to the TS-451D2.”

Popularity: 115 ratings and 4.6 stars.

BUFFALO LinkStation 220 4TB Home Office Private Cloud Data Storage with Hard Drives Included

BUFFALO LinkStation 220 4TB Home Office Private Cloud Data Storage with Hard Drives IncludedFrom the manufacturer: “Buffalo’s LinkStation 220 is an affordable and intuitive 2-drive network storage device that comes equipped with a whole host of features, perfect for storing, sharing, serving and protecting your most important data. Backup multiple PCs and Mac computers simultaneously and enjoy uninterrupted access to terabytes of storage on your network and over the Internet.”

Popularity: 1,096 ratings and 4.1 stars.

Synology 6 bay NAS DiskStation DS1621+ (Diskless)

Synology 6 bay NAS DiskStation DS1621+ (Diskless)From the manufacturer: “Synology DiskStation DS1621+ is a powerful 6-bay network-attached storage solution designed to store and protect critical data assets. The growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and sharing. DS1621+ is a compact desktop form-factor NAS that is beyond evolutionary, featuring over 110K, or 174% higher 4K random read IOPS, compared to its predecessor. Designed for scalability, the DS1621+ enables you to start small, then expand as your data grows.”

Popularity: 151 ratings and 4.8 stars.

WD 4TB My Cloud Personal Network Attached Storage – NAS – WDBCTL0040HWT-NESN

WD 4TB My Cloud Personal Network Attached Storage - NAS - WDBCTL0040HWT-NESNFrom the manufacturer: “My Cloud is a private, personal storage unit that plugs into your home network. It automatically backs up and centralizes all your content in one safe place that only you control. And because it’s online, you, friends and family can quickly access and share whatever you want, with any device, anywhere you have an Internet connection. If you have an Internet connection, your photos, videos and files are just a click away. Sign in to MyCloud.com or use the My Cloud app on your phone or tablet to connect directly to your personal cloud.”

Popularity: 5,523 ratings and 4 stars.

TerraMaster F5-422 10GbE NAS 5-Bay Network Storage Server Intel Quad-core CPU with Hardware Encryption (Diskless)

TerraMaster F5-422 10GbE NAS 5-Bay Network Storage Server Intel Quad-core CPU with Hardware Encryption (Diskless)From the manufacturer: TerraMaster’s F5-422 5-bay 10GBASE-T NAS unit comes with an Intel Apollo J3455 quad-core processor, a frequency of up to 1.5 GHz, a read speed reaching 670MB/s, and a write speed reaching up to 650MB/s. These devices are compatible with both AES hardware encryption and 4K HD video transcoding, making the F5-422 an ideal candidate for home multimedia entertainment and small office applications. Superior storage technology and optimised snapshot technology are the cornerstones of the Btrfs file system, which is what TerraMaster’s F5-422 5-bay NAS unit relies on for advanced data protection, prevention of data corruption, and minimal maintenance expenses. Use of this file system promotes high data integrity, all the while promoting flexibility and efficiency in the areas of data protection and data recovery.”

Popularity: 29 ratings and 4 stars.

Synology 2 Bay NAS DiskStation DS220+ (Diskless)

 Synology 2 Bay NAS DiskStation DS220+ (Diskless)From the manufacturer: “Synology DiskStation DS220+ is a compact network-attached storage solution to streamline your data and multimedia management. It features smooth data sharing, video streaming, and photo indexing, as well as well-rounded data protection and recovery options. A more powerful CPU speeds up computing-intensive applications. Easily categorize your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications.”

Popularity: 2,199 ratings and 4.8 stars.

NOW READ: The Best Internal Hard Drives for Consumers in 2021

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Tess Hanna

Tess Hanna is an editor and writer at Solutions Review covering Backup and Disaster Recovery, Data Storage, Business Process Management, and Talent Management. Recognized by Onalytica in the 2021 "Who's Who in Data Management." You can contact her at thanna@solutionsreview.com
Tess Hanna

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