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Technical Details
- DLNA certified ensures compatibility with all certified digital home products
- Built-in FTP Server Provides Remote Access from the Internet
- Dual-bay Design Provides Maximum capacity up to 2 Terabytes
- Multi-Tier Data Protection Ensures Your ¿Digital Treasure¿
- One-touch button Backs up data from attached thumb drive
Product Details
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Product Description
CONSUMER NETWORK STORAGE
Customer Reviews
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Most Helpful Customer Reviews
12 of 13 people found the following review helpful:
4.0 out of 5 stars
Affordable and built solid!,
By SBJ400 "SBJ400" (Mt. Laurel, NJ USA) - See all my reviews
This review is from: ZyXEL NSA-220 Dual SATA Bay Network Attached Storage Device with up to 2TB of Storage with DLNA Compatibility (Personal Computers)
This is an excellent device.
You have to buy your own disks but not a big deal with today's low prices. I bought 2 Seagate 500GB drives for $160 total. Once 1TB drives drop in price by next year, I will upgrade this device again. The device is full featured and loaded with tons of extras. Plus, what I really love, the GUI is in the AJAX style. This means no waiting for the interface to refresh. The GUI is nice, clean and a pleasure to use! Data transfers were very nice as well. One of my networks is nothing but Jumbo Packet devices. Very fast transfer speeds!! On my home LAN, the speeds averaged I faked a hard drive failure to test the "What If" scenario with 25 GBs of test data and junk files before placing crucial data on this device. I simply unplugged 1 drive then turned it on. First, it shifted into degraded performance mode. Excellent. Just what should be expected. I was able to continue to access my data and back it up or protect it. This is not a HOT SWAP device, so I powered it down. Plugged the drive back in. This device requires you to manually rebuild the array. Through the GUI I was able to do this easily! Everything is well documented in the help files and at the ZyXEL website. During the rebuild I was able to continue to access my data! After about 3 hours, my RAID ARRAY was fully recovered. AWESOME!!! The company documents everything well, there are regular and continuing firmware updates when needed. I only have 2 minor gripes. 1 - the USB connections are on the front. YUCK. 2 - they should have made opening and replacing drives tool-less. Overall, it is an excellent product. I highly recommend it. Probably the best I have had for my personal use or outside of a large scale environment.
5 of 7 people found the following review helpful:
3.0 out of 5 stars
Just OK, but there's not much better out there yet,
By
Amazon Verified Purchase(What's this?)
This review is from: ZyXEL NSA-220 Dual SATA Bay Network Attached Storage Device with up to 2TB of Storage with DLNA Compatibility (Personal Computers)
UPDATE: My NSA-220 required service. The experience was very frustrating. This first interaction with ZyXEL support has left me with a VERY unfavorable impression. Troubleshooting took over a month of back-and-forth emails with long delays between ZyXEL's responses, and the RMA process requires the customer to pay for return shipping of the defective unit -- and it's heavy. Worse, the representative promised me a brand-new replacement unit, but they sent a unit that was very clearly used and very poorly packaged. I now regret having bought this device. If I could adjust my original rating, I would give it only TWO STARS.
ORIGINAL REVIEW: This device does what it's supposed to, but it has many quirks. It's almost as if it was designed by a committee, with some really smart people designing some parts of the device, and some not-so-smart people designing other parts. Physically, for example, the device appears at first glance to be solid and well-built. The case is white metal, with convenient USB ports on the front and big, ergonomic thumb screws on the back. Then you look closer and you notice that the USB ports on the front are the only USB ports -- there are none on the back. Then you look closer yet and you notice that while the designers gave you nice thumb screws for tool-less entry into the case, once you get inside there are non-thumb screws for access to the hard drives, requiring the use of a screwdriver to turn 5 screws per drive. Worse, the screws that hold in the drive trays are tiny and awkward to access, nearly guaranteeing that you will drop the loose screw into the machine every time you remove it. (Lesson: unplug the device before you start trying to change any screws.) The drive trays themselves are poorly aligned, so you have to force the interface in when you insert a drive. Also, when the device is on, the drive trays rattle a little and make a sometimes-annoying buzz (which is easily stopped temporarily by lightly whacking the device on the side). The software is just like the hardware: slick-appearing at first until you really look closer. It works, but every function has at least one really annoying and bizarre design flaw. The configuration interface is fine, but, for example, the web-based file browser is infuriatingly complex. (Don't bother with it. Access your files by mounting the NAS using Windows File Explorer or whatever your OS offers instead.) The bittorrent client works, but you have to type or cut-and-paste a link to each torrent file individually, and it takes a while to figure it all out. There's an FTP server, but I still haven't been able to figure out which directory is set up as FTP root. The web server is fine, but you can't set up passwords, run PHP scripts, or otherwise configure it. Besides basic who-is-connecting, there is no user-accessible logging; you can't tell who downloaded what. Finally, I have never been able to get Windows Media Player to recognize the media files on the device automatically, other than mapping manually to a share. Performance is okay, not great. File transfers are noticeably slower than to a USB-connected hard drive, even over gigabit Ethernet, but it's perfectly fast enough for streaming audio or video. The documentation, of course, is terrible. The user manual gives you the gist of how everything works, but unless you're doing exactly what the manual expects you to do, you won't find much help. The ZyXEL website is equally horrendous. Trying to find firmware patches is very frustrating, because the site is so poorly organized. Rather than navigating through the site or using its search function -- which invariably leads you to a page that has only the firmware from a year and a half ago -- use Google to find what you want directly. The latest firmware version is 2.30, and it helps to know that the NSA-220 is classified near the bottom of the huge, non-alphabetical list of products under "Storage Appliance" in some menus and under "Digital Home" in others. Also, note that this NAS like all other consumer-level NAS's I have found so far, uses a Linux-flavor filesystem (ext3), meaning you can't pop a Windows-formatted (NTFS) drive into the device and expect to see your files, and you can't pop your NAS-formatted drive out of the device and connect it to your Windows system. Each drive needs to be totally reformatted (and erased, of course) by the NAS before it can be used. And although this is a Linux system, you cannot access a Linux shell or otherwise gain access to the root filesystem (at least not without some pretty serious -- and dangerous -- hacking). So in summary, this NAS does exactly that: it provides network-attached storage. Don't expect huge bells and whistles. If you're simply looking for a way to make a hard drive (or two) accessible to multiple computers on your LAN without having to keep a computer running all the time, this will do that well. If you're looking for a way to download or share files around the clock with bittorrent and you're willing to deal with the annoying GUI, this will do that. If you're looking for a slick web server, FTP server, media server, then keep looking -- and expect to pay a lot more.
2 of 3 people found the following review helpful:
4.0 out of 5 stars
Great NAS & Print Server For Home Use,
By Martyo (Allentown, PA) - See all my reviews
This review is from: ZyXEL NSA-220 Dual SATA Bay Network Attached Storage Device with up to 2TB of Storage with DLNA Compatibility (Personal Computers)
Pros: Works as advertised, great price, ease of installation, quiet and sleeps when inactive and wakes up without any timeouts on the computer. Great copy function from cards or disks plugged into the USB port. I was able to populate the disks relatively quickly instead of copying everything over the network.
Cons: 1)If powered off (power failure) without being properly disconnected from the computers you need to press the reset button to be able to reconnect. The environment remains intact but the admin password is reset to the default. 2) The mfg's mail in rebate is for money off other products by ZyXel which I don't need. 3) No ability to connect directly to a computer's USB port for direct transfers. 4) USB ports (two) are only on the front so my permanent printer connection sticks out of the front of the NAS and is in the way. General comments: I've managed RAID systems in work environments for almost 20 years. This NAS is just what I've been wanting for home use. But ... if you are used to more sophisticated systems you may get tripped up like I did. 1) I thought I could take a pre-existing disk and create a RAID 1 with it but the NAS initializes the disk for it's use so all is lost (I was backed up). 2) I had one 1TB disk with the intention of purchasing a second in the future but I found out that you cannot create a RAID 1 without both disks in place. The single disk can only be JBOD or RAID 0. Since I did not have the ability to backup a full 1TB disk, since it will be initialized when creating the RAID 1, I immediately purchased a second 1TB disk. Once I was finally set up it has worked very well. Additionally, I really like having a printer on the network but the printer setup would not recognize my much older printer. It did recognize the newer printer. Lastly, if you try to do multiple copies over the network from the same computer at the same time there may be timeouts causing the copies to abort. I have not tried to do simultaneous copies to/from the NAS from different computers (not usually done at my home).
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