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The Best NAS Deals This Week*
*Deals are selected by our commerce team
In this age of high-resolution smartphone pix and near-constant video shooting, the storage space in your PCs and mobile devices fills up in a flash. While you can certainly use an external hard drive for offloading and backing up files from your PC (and by extension, from your phone), if you disconnect the hard drive and leave it in your office, you won’t be able to get to those files from another location, and neither will anyone else. There are ways to allow other users to share and access the files on your hard drive, but they can be challenging to set up and carry security risks.Instead, consider a good network-attached storage (NAS) device. As its name implies, a NAS is high-capacity storage that connects to your home or office network so that you and other users you designate can access your files from mobile devices and PCs without plugging in to the drive. Read on for a breakdown of the top NAS devices we’ve tested, followed by a detailed buying guide that will walk you through how to find the best one for your needs.
Deeper Dive: Our Top Tested Picks
QNAP TS-233
Best Budget NAS Device for Most Users
Why We Picked ItThe TS-233 packs some nice features into its stylish white enclosure, including two hot-swappable drive bays, a quad-core CPU, and a pair of USB ports for connecting external drives. Installation was easy, and the NAS turned in very respectable file transfer scores in testing. Moreover, it offers a nice selection of QNAP-branded and third-party apps that turn the TS-233 into a multifunction server. Who It’s ForThe QNAP TS-233 is an affordable two-bay NAS designed for budget-conscious home users who’d rather store data in their own personal cloud than pay for a subscription-based cloud service. It’s easy to manage using the Windows-like QTS operating system and offers one-touch backups, but it lacks the multi-gig LAN and HDMI video ports that you get with more expensive NAS devices.
PROS
Reasonably priced
Easy to install and manage
Solid performance
Good selection of apps
CONS
Drives not included
No multi-gig LAN ports
SPECS
Name
Value
Connection Type
Ethernet, USB 2.0, USB 3.0
RAID Level
JBOD, single, RAID 0, RAID 1
Hard Disk Configuration
RAID
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000
Number of Bays
2
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
QNAP TS-233 Review
Asustor Lockerstor 2 Gen2 (AS6702T)
Best Two-Bay NAS Device for Small Business
Why We Picked ItLow-cost NAS devices are great for home use, but if you’re a small-business owner, you’ll want a NAS that offers speedy performance, multi-gig LAN connectivity, and high-speed expansion options. With the Asustor Lockerstor 2 Gen2, you get all that and more. A top performer, this two-bay NAS is equipped with four M.2 slots for speedy caching (using M.2 solid-state drives), two 2.5Gbps LAN ports, and two high-speed USB ports for device sharing. Who It’s ForSmall-business owners and home enthusiasts who require a robust two-bay NAS with high-speed connectivity options should put the AS6702T at the top of their shopping lists. It’s easy to install, and the Asustor Data Manager software makes it easy to create storage volumes, share folders, and download more than 340 apps for office productivity, data backup, security, home entertainment, and other functions.
PROS
Speedy file-transfer performance
Dual multi-gig LAN ports
Four slots for M.2 NVMe SSDs
HDMI video output
Highly expandable
Huge catalog of apps
CONS
Expensive
Tools required for setup
SPECS
Name
Value
Connection Type
2.5GbE, USB 3.2, HDMI
RAID Level
JBOD, single, RAID 0, RAID 1
Hard Disk Configuration
RAID
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000 2.5GbE/5GbE
Number of Bays
2
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Asustor Lockerstor 2 Gen2 (AS6702T) Review
Synology DiskStation DS224+
A Solid Alternative to the Asustor AS6702T
Why We Picked ItDesigned for team collaboration in a small office, the Synology DiskStation DS224+ is a two-bay NAS device that offers blazing performance, a user-friendly interface, and a library of more than 100 Synology and third-party apps. At $299.99, it’s a good value considering its speed (it’s one of the fastest NAS devices in its class that we’ve tested to date) and ease of use. Who It’s ForIf your small business needs reliable, speedy network file sharing but doesn’t have a ton of critical data that would require a NAS with more bays, you should consider the DS224+. Paired with the right drives, its speed might catapult it to the top of your consideration list, though it lacks the high-speed networking capabilities and expandability you get with some more-expensive drives.
PROS
Easy to install
Very fast performance
Generous selection of apps
CONS
Lacks multi-gig LAN ports
Limited expandability
SPECS
Name
Value
Connection Type
Ethernet, USB 3.2
RAID Level
SHR, JBOD, RAID 0, RAID 1
Hard Disk Configuration
SHR
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000
Number of Bays
2
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Synology DiskStation DS224+ Review
QNAP TS-464
Best Four-Bay NAS Device
Why We Picked ItWhen it comes to ports and performance, the QNAP TS-464 is a class leader, delivering blistering file transfer speeds alongside an excellent assortment of I/O ports—including a pair of multi-gig Ethernet ports, four USB ports, and an HDMI video output. It also offers multiple RAID configurations and uses tool-free drive sleds that make it easy to install and hot-swap drives. You’ll have to supply your own hard drives, but that’s the case with nearly every NAS device that we test. Who It’s ForTwo-bay NAS devices typically offer more than enough storage capacity for those who want to create their own personal cloud server, but if you plan on backing up and sharing large chunks of data for a small business, a multi-bay NAS like the TS-464 is a better option. It’s our Editors’ Choice pick for four-bay NAS devices.
PROS
Easy to install
Strong file transfer performance
Multi-gig connectivity
Lots of I/O ports
Generous app catalog
CONS
Drive installation requires tools
Drives not included
SPECS
Name
Value
Connection Type
2.5GbE, USB 3.2, HDMI
RAID Level
JBOD, single, RAID 0, RAID 1, RAID 5, RAID 6
Hard Disk Configuration
RAID 5
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000/2.5GbE
Number of Bays
4
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
QNAP TS-464 Review
Synology DiskStation DS923+
A Solid Alternative to the QNAP TS-464
Why We Picked ItThe DS923+ earns high marks for its speedy file transfer performance, easy installation, and expandability options. With four tool-free drive bays, it can accommodate up to 72TB of internal storage and support multiple RAID configurations, including Synology’s Hybrid RAID (SHR). Connect it to a Synology DX517 expansion unit, and you’ll have the potential to add another 80TB of storage. The only thing missing here is value; you’ll get slightly faster performance, multi-gig connectivity, and HDMI video output with our Editors’ Choice award pick, the QNAP TS-464 listed above, for $50 less.Who It’s ForWhether you’re a small-business owner looking for a RAID-protected backup solution, or a multimedia enthusiast looking to store and share your work in your own personal cloud, the DiskStation DS923+ has you covered. With more than 100 apps available, you can use it in any number of ways, including as a media server, a cloud server, an email server, and a backup repository.
PROS
Easy to install and configure
Expandable
Solid file-transfer performance in testing
Generous app catalog
CONS
Relatively expensive for the feature set
Lacks multi-gig LAN ports
Drives not included
SPECS
Name
Value
Connection Type
Ethernet, USB 3.2, eSATA
RAID Level
SHR, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, Basic
Hard Disk Configuration
SHR
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000
Number of Bays
4
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Synology DiskStation DS923+ Review
Synology DiskStation DS1522+
Best Five-Bay NAS Device
Why We Picked ItWhether you’re a home user looking to store multimedia files and share them in the cloud, or a small business that requires a scalable storage solution with multiple RAID options, the Synology DiskStation DS1522+ NAS is an excellent choice thanks to its 5 drive bays. That’s more than many other small business NAS devices offer. Plus, you get two embedded M.2 NVMe SSD cache slots, and the ability to add 10 more drives via an expansion unit.Who It’s ForFor many businesses, scalability is the name of the game when it comes to network storage. The DS1522+ delivers scalability in spades. It’s also a great choice for homes and businesses with cutting-edge networking components, since you can outfit it with a 10Gbps LAN adapter for high-speed network connectivity.
PROS
Easy to install and manage
Highly scalable
Quiet
Fast file transfer performance
Lots of ports
CONS
Expensive
Drives not included
SPECS
Name
Value
Connection Type
USB 3.2, Ethernet, eSATA
RAID Level
JBOD, Basic, SHR, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Hard Disk Configuration
SHR
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000
Number of Bays
5
Bay Size
2.5 and 3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Synology DiskStation DS1522+ Review
TerraMaster F5-422
A Solid Alternative to the DS1522+
Why We Picked ItThe F5-422 is a well appointed five-bay NAS device that delivered relatively fast file transfer scores in testing. It comes with a 10Gbps LAN port that lets you reap the full benefits of a high-speed network, and has two 1Gbps LAN ports that provide failover support and can be linked for 2Gbps connectivity. The chassis is not tool-free, but the drive sleds are easily removed by hand for quick hot-swapping.Who It’s ForThe F5-422 is best for owners of small to medium businesses (or home power users) that require lots of storage and a reliable RAID configuration. It offers a user-friendly, web-based management console and a decent catalog of apps for tasks like creating and synchronizing cloud drives, building a web server, transcoding 4K video, serving multimedia content, creating VPN and proxy servers, and backing up large blocks of data.
PROS
Easy installation.
Quiet operation.
Solid performance.
10Gbps Ethernet port.
Link aggregation.
Lots of RAID options.
CONS
Limited app library.
Requires tools.
Drives not included.
Learn More
TerraMaster F5-422 Review
Asustor Drivestor 2 Pro (AS3302T)
Best Media Server NAS Device
Why We Picked ItThe Drivestor AS3302T is a moderately priced two-bay NAS that is equipped with a 2.5Gbps LAN port, three high-speed USB ports, and a quad-core CPU. It’s a solid performer that is easy to install and manage using the Microsoft Windows-like operating system, but it lacks the HDMI port and M.2 slots that you get with its more expensive sibling, the Lockerstor 2 Gen2 (AS6702T). Who It’s ForAsustor designed the Drivestor AS3302T for use as a personal cloud server, but it can also be pressed into service as a web server, a media server, a backup repository, and more by downloading apps from Asustor’s App Central. Its tool-free chassis, magnetic cover, and easy-to-remove drive sleds make installing and replacing drives a snap.
PROS
Solid performance
Multi-gig Ethernet
Tool-free chassis
Large app catalog
CONS
Drives not included
Lacks HDMI port
SPECS
Name
Value
Connection Type
Ethernet, USB 3.2
RAID Level
JBOD, RAID 0, RAID 1, single
Hard Disk Configuration
RAID
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000/2.5GbE
Number of Bays
2
Bay Size
3.5-inch
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Asustor Drivestor 2 Pro (AS3302T) Review
Asustor Flashstor FS6706T
Best NAS Device for M.2 SSDs
Why We Picked ItThe FS6706T is a six-bay NAS device. That alone sets it apart from most of other consumer and small-business NAS drives, which typically top out at five bays. But the number of bays isn’t the only thing unusual about it. The FS6706T also has the distinction of being the first NAS drive we’ve tested that uses M.2 NVMe solid state drives (SSDs) rather than traditional platter-based hard drives for storage. This translates to screaming-fast performance. Plus, it has a sleek, streamlined design and fast performance, and it comes with lots of Asustor and third-party apps. Who It’s ForThe FS6706T offers small businesses extraordinary speed and reliability, but only when it’s connected to a state-of-the-art network that has multi-gig connectivity. It also requires a big budget. By the time you populate the FS6706T with, say, six 4TB M.2 drives, you’ll have spent around $2,200 for 24TB of storage, making this a pricey acquisition.
PROS
Fast performance
Large catalog of apps
Slim form factor
Quiet operation
CONS
Uses expensive SSDs instead of cheaper hard disks
Limited storage capacity
SPECS
Name
Value
Connection Type
Ethernet, USB 3.2, USB 3.0
RAID Level
single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Hard Disk Configuration
RAID 5
Network Medium
Wired
Rack-mount or Standalone
Standalone
Media Server
Remote Access
Wired Network Speed
10/100/1000/2.5GbE
Number of Bays
6
Bay Size
M.2 NVMe
Printer Server
External USB Hard Disk Expansion
UPnP Capable
Learn More
Asustor Flashstor FS6706T Review
Buying Guide: The Best NAS (Network Attached Storage) Devices for 2024
Once you decide that you need to store files on a network drive, you then need to figure out what you mean to do with them, in order to determine what kind of NAS you need.For example, a typical business scenario might be sharing access to Office files, like spreadsheets and Word documents, with your coworkers and perhaps backing up select office devices on a regular basis. All of that is relatively simple for a NAS. Additional layers of data security and serving files to a relatively large number of users is typically where businesses need to be careful about NAS storage.Home users may not need to worry about large numbers of users; these days it’s the number of simultaneous devices that makes the difference. If you’re using the NAS to back up your laptops overnight, that’s pretty straightforward. But if you’re serving high-resolution videos over your home network to two tablets, a laptop, and your smart TV, all at the same time, you’ll want a NAS with higher specifications for memory, processor, and network capabilities. You’ll also need a more powerful NAS if you want to store big media libraries, like a collection of 100,000 stock photos for your graphic arts studio, for example.
(Credit: Asustor)
Since a NAS device is, at the simplest level, just a container for a hard drive or drives (with some added intelligence), the number-one spec for any NAS unit is its maximum potential storage capacity. That’s determined by the number of drive bays it includes and to a lesser extent what kinds of drives it can carry. Most consumer-grade and home-office NAS units have one or two bays, while models designed for the office have four or more. But that’s not an absolute guideline, especially now that newer NAS devices are showing up with support for 2.5-inch laptop-style drives, both platter-based and solid state. These drives will allow NAS makers to fit more drives into their chassis, which means more long-term storage capacity.We don’t generally recommend NAS drives with just a single bay, unless they are to be used strictly for backing up data that will also reside on computers on the network. That’s because of the lack of redundancy out-of-the-box. (Some single-bay NAS drives will allow you to attach a second NAS device or an external hard drive, to that end.) You don’t want the only copy of your data residing on just one drive on the network.The beauty of a NAS device is that it can use some version of a technology called Redundant Array of Independent Disks (RAID). This tech allows the software that manages the NAS devices to distribute and duplicate the data it stores across multiple hard disks. That means even if one of the drives fails completely, the RAID system can simply take in a new, completely empty drive and repopulate it with the data the failed drive was carrying. There are different levels of RAID that perform this function in different ways depending on exactly what users need. Check out our RAID explainer for more information.Still, for most home users who aren’t rabid video-file hoarders, a two-bay NAS should be sufficient, provided that you buy big enough drives from the outset if you’ll be mirroring them, meaning simply making one drive an exact duplicate of the other. Err on the high side of capacity, though; it’ll cost more now, but you don’t want to have to rebuy two hard drives for your NAS to get a higher effective mirrored capacity. Remember: Mirroring takes two physical drives. More on redundancy below.Should You Buy a NAS With Drives Installed, or Diskless?Some NAS drives are sold pre-populated with disks, oftentimes already formatted for use in a particular RAID configuration. Many others are purchased empty of drives, or “diskless.” This was an important consideration some years ago because it used to be that the NAS vendors who also manufacture hard drives would ship their NAS units as sealed devices pre-filled with their own drives. Today, the vast majority of current NAS devices are hard disk-neutral as far as disk brand is concerned. Because most of these devices at least have a diskless option, you’re really only concerned with overall drive capacity, their interface technology, and how much buying them will add to the overall cost of your NAS.
(Credit: Synology)
If a given NAS is offered in both pre-populated and diskless form, we suggest checking out the cost difference and making sure that the drives that are provided in the populated model work out to a good value. With pre-populated-only NAS drives, the cost of the internal drives tends to be harder to distinguish from the overall cost of the NAS unit.Which Drives Should I Use With a NAS?NAS makers that sell diskless NAS drives recommend certain drive models or families that have been tested for use with their NAS drives. Take a look at these drive-compatibility lists before you buy. If you already own a bank of hard drives you intend to install, you’ll want to look for such validation. If yours are not on the list, it doesn’t mean they won’t work, but if you are buying drives new, it’s best to stick with the NAS maker’s recommendations.Some drives from Seagate, Toshiba, and WD are tagged as specially designed for NAS use. Most of these “NAS certified” hard drives have been tested to run 24/7/365, which is a bit much for regular, consumer-level drives.
(Credit: Seagate)
If you are looking at Seagate drives, for example, the NAS-class drives are called the IronWolf, IronWolf Pro, IronWolf SSD, and IronWolf SSD and HDD lines. Straight IronWolf drives are what you’re after for outfitting a NAS drive in a home. IronWolf Pro are designed for somewhat heavier business use, while IronWolf SSD is meant for NAS units that need solid state speed to serve up data quickly for high-performance applications. The last, the IronWolf SSD and HDD drives, combine both technologies in a single drive that then has its own firmware logic to distribute data for optimal performance beyond what SSD delivers on its own.Other drive makers will have similar products available, as far as storage and interface technologies are concerned, though they’ll differ somewhat in terms of capacity and pricing. WD’s NAS-oriented equivalents to the IronWolfs, for example, are dubbed WD Red.RAID, and RAID Again: Let’s Talk RedundancyAs we mentioned earlier, a key benefit of most NAS units is the redundancy option, so in two- and four-drive configurations the extra disks can simply “mirror” the contents of the other drive. Depending on which RAID level you choose, this will impact the overall capacity of the NAS device versus the hard disks it has installed. Example: A two-bay unit with two 4TB drives that mirrors one drive onto the other would offer only 4TB of effective (usable) storage. The other drive is, in a practical sense, invisible, because it’s used to make a second copy of all the files from the other drive in the background.Usually, the user has the option to reconfigure the drives to gain the capacity of the second drive, if desired. One way you can do this is via “striping,” in which the data will span across two or more drives. Striping by itself is chancy; under some circumstances, it enhances the speed of reads and writes, since you’re accessing two or more drives at once. But if any disk fails, it’s possible that all your data will be lost, so we don’t recommend this approach. (With two or more drives spanning all your data, you now have two or more points of failure.) Modes that incorporate striping and mirroring are much safer, as that guarantees that each bit of data is replicated on at least two drives, so that if one drive fails in the array, the NAS can reconstruct its contents onto a replacement drive. Many NAS units also support a JBOD mode (“Just a Bunch of Disks”), which lets you address each drive as a separate drive letter and save data to discrete drives within the NAS box. This is no safer than just basic striping; any data you save to a given drive is still vulnerable to the failure of that specific mechanism. To mitigate this, some JBOD NAS management software allows users to combine disks into one or more logical volumes and even apply redundancy measures across volumes. This is usually entirely dependent upon the software used to manage the NAS, however, so be sure to understand your NAS drive’s software capabilities before purchase, particularly if you’re a small-business buyer.If you think a NAS drive will let you stream any type of media you have to any device or TV, keep in mind certain devices will only play certain types of files, and you’ll need to get software and hardware to work together to make this happen.For example, that, ahem, sweet DVD rip you have of James Cameron’s Titanic in AVI format will not open on an iPhone without some jiggering. (It needs to be in MP4 format to be recognized.) Software can get around that problem, such as the ever-useful VLC Media Player utility, and some NAS units work with Apple TV, Chromecast, Roku, Android phones/tablets, and other types of hardware. It can be complicated, though, to guarantee that a specific file or file type will play on a given device, so look at the specs of the NAS closely to determine its capabilities.
(Credit: Synology)
A late development in NAS circles is special kinds of support for streaming 4K video, and the spec sheet is your friend in these cases. Some NAS units with 4K acceleration will convert this high-resolution video on the fly to formats better suited to the bit rates of devices, such as smartphones, that are requesting it. This is an esoteric need at the moment, but know that some NAS makers will charge a premium for some of these features. It’s also possible to get such on-the-fly transcoding for other, lesser resolutions. This is where the CPU that powers a NAS comes into play: say, a low-end dual-core chip versus a much more robust quad-core processor, for example.NAS Connectors and Controls: What to Look ForMost NAS drives have one or two USB ports that you can use to connect a printer or external storage drives, letting you add those to your network via the NAS itself. Once they are plugged in, just like everything else on the NAS, they can be shared with all connected users. An example of a common arrangement: A NAS drive will have one USB 2.0 port that is usually used for printer sharing, and a USB 3.0 port that can be used for external storage. (USB 2.0 is much, much slower than USB 3.0, but a printer doesn’t need the fast pipe, so a USB 2.0 port is just fine.)Some NAS units also have a “copy” button on the front panel designed to make copying the contents of an external drive, such as a flash drive, to the NAS a single-button-press affair. You just connect the drive and tap the button, and everything on the external drive is safely copied to the NAS to a predesignated location.
(Credit: Synology)
NAS drives, by definition, will come with at least one Ethernet port, often two for redundancy or channel-bonding (essentially, combining two smaller Ethernet pipes into one logical, large pipe). NAS drives tend to avoid wireless connectivity because only wired connections give them the smooth traffic flow they need to serve up data, especially streaming data, to multiple recipients at an optimal rate. Recent high-end models go so far as to offer 10-gigabit Ethernet, for screaming data transfer rates. However, this only makes a difference if the rest of the network is running at 10Gbps (or at least the primary traffic target is). Additionally, the throughput of platter hard drives makes this moot for most consumer and SOHO use cases. That said, a few models come with a PCI slot that may let you install an enhanced network card, and others support using SSDs instead of hard drives for faster throughput. A few models will also come with an HDMI port; this would let you use the NAS as a media server with a direct connection to your HDMI-equipped HDTV.Remote Access: Serving Files From Here to AnywhereIn addition to the above sharing features, most NAS drives let you send web links to people to allow them to access remotely certain files or folders located on your NAS. Your NAS can thus serve like your own private Dropbox or Google Drive, but with way more storage capacity—and no monthly bill. Many NAS makers tout this. (Look for the much-bandied term “personal cloud” around this kind of feature.)How each vendor offers this capability, however, can vary. Some may do as little as offer a simple File Transfer Protocol (FTP) manager as an app or simply a command line feature. This will certainly work, but you’ll need to know something about configuring a secure FTP server to make sure your files aren’t suddenly open to the whole internet. The better NAS devices offer an app that handles remote internet access. These come with easy-to-learn user interfaces and more advanced security options, including the ability to encrypt whatever files you’re opening up to the cloud. With this functionality, you can also access the NAS itself from any internet connection, not just via your local network. As a result, you can download files you need on the road, or stream a movie or music files resident on your home NAS to your laptop in a hotel across the country or the world, network bandwidth permitting. Most, but not all, NAS drives offer this kind of feature, so be sure to do your research before you pull the trigger if it’s a must-have. (Ourselves? We wouldn’t get a NAS without it.)So, What Is the Best NAS Drive to Buy?We’ve outlined the NAS picks we presented above in a handy spec breakout below. Check them out. And if a NAS device is not quite right for what you want, you realize now? For more storage options, take a look at our lists of the best external hard drives and the top external SSDs, as well as our top-rated cloud storage services.
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