D-Link DNS-321 Network Attached Storage Enclosure - 2-Bay SATA, RAID 0/1 at TigerDirect.com
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  Limited Warranty
This Item's Warranty is:
- 12 Months Parts
- 12 Months Labor
 Warranty provided by
-   D-Link
-  View Warranty Info
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1 Year Replacement after Mfg. Warranty Ends
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Networking > Network Attached Storage > NAS Enclosures

D-Link DNS-321 Network Attached Storage Enclosure - 2-Bay SATA, RAID 0/1

D-Link DNS-321 Network Attached Storage Enclosure
More D-Link Products
Customer Reviews:  ( 68 reviews)
Read reviews or  Write a review
Item Number: D700-2364
Model: DNS-321
Availability: Order Today, Ships Today
List Price: $129.99 
Instant Savings: -  $10.00 
Price: $119.99 
Less Rebate: -  $30.00 

 
Final Price:   $89.99*
Ends 12/31/2009
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D-Link DNS-321 Network Attached Storage Enclosure
The D-Link 2-Bay Network Storage Enclosure (DNS-321) is the perfect way to store, share, and safeguard your documents, music, videos, and photos. With the D-Link tool-less installation, easily insert up to two SATA drives1 without any tools or attaching any cables. Additionally, the built-in UPnP™ AV media server enables streaming of digital content to compatible network media players (such as those found in the D-Link MediaLounge™ product line) as well as popular media player applications used in computers.

Protection And Performance
The availability of four different hard drive modes (Standard, JBOD, RAID 0, and RAID 1) allows you to choose the configuration best suited for your needs. Standard mode creates two separately accessible hard drives. JBOD combines both hard drives into one for maximum space efficiency. RAID 0 combines all drives in a ‘striped’ configuration, splitting data evenly across the hard disk drives to provide the highest performance, while RAID 1 causes the drives to mirror each other, providing maximum protection. If one drive fails while configured as RAID 1, the unaffected drive will continue to function as a single drive until the failed drive is replaced.

Simplified Management
With the included feature-rich Memeo™ software, you can create schedules and rules including real-time full or incremental backups. The Web-based configuration software allows users to establish storage quotas for specific users and groups. The DNS-321 can automatically back up your data regardless of the Operating System (OS) of your computer (Windows®, Mac®, or Linux®). The DNS-321 also features a built-in FTP server to access files through the Internet.

With its sleek design and quiet cooling fans, the DNS-321 can be easily placed on your desk at home or in the office. Utilizing SATA hard drives and gigabit connectivity, the 2-Bay Network Storage Enclosure (DNS-321) is a high performance, cost-effective solution for your home or small office data storage needs.


Related Video


Specifications

  Form Factor:  Desktop
  Compatible RAID Levels:  0
  1
  Number Of Hard Drives Bays:  2
  Hard Drives Included:  0
  Hard Drive Interface:  SATA II
  RJ-45 Ports:  1
  Communications Description:  Network Adapter
  Interface Type:  RJ-45
  Data Transfer Rate:  1000 Mbps
  100 Mbps
  10 Mbps
  Protocols:  TCP/IP
  Networking Standards:  IEEE 802.3i 10Base-T Ethernet
  IEEE 802.3u 100Base-TX Fast Ethernet
  IEEE 802.3ab Gigabit Ethernet
  Management:  Web Based
  Dimensions:  4.1" x 7.7" x 5.1"
Detailed Features

A Closer Look

Features

  • Store Digital Content from Multiple Computers into a Central Location
  • Stream Music, Photos, & Videos to Compatible UPnP AV-enabled Media Players
  • Access Stored Data Away from Home with the Built-in FTP Server
  • Supports Four Different Hard Drive Modes (Standard, JBOD, RAID 0, and RAID 1)
Customer Reviews and Rating  
Customer Rating:    4.5
Customer Reviews: 68

Have an opinion on this product that you would like to share? If so, please take a few moments to write your rating and review.
Value 4.7
Features 4.4
Quality 4.5
Performance 4.3

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an easy and affordable ''home server'' solution
Reviewer:  chris on  Dec 24, 2009
Customer Rating:    4.0
Value 4.0
Features 4.0
Quality 4.0
Performance 4.0

I was looking into some ''home server'' units by other companies. The DNS-321 provides all the basic features that I needed for my Apple computers (still working out the Time Machine backup solution). The administrative features are great for inexperienced users and for the power users out there, the box is easily hackable so you can add even more features. Very happy with my purchase and the support provided by D-Link.


Useful but with quirks
Reviewer:  prndll on  Dec 23, 2009
Customer Rating:    4.5
Value 5.0
Features 3.0
Quality 5.0
Performance 5.0

I've been running this for over a year now with two 1TB WD drives in it. It's a good NAS to buy but it does get a bit quirky when changing some of the settings away from default. I haven't tried updating it's firmware and that might be the problem. But, running default settings with a set IP is VERY stable and consistent. I'm actually thinking about buying another one for more storage space.


DNS 321 works well
Reviewer:  toms on  Dec 22, 2009
Customer Rating:    4.5
Value 4.0
Features 5.0
Quality 5.0
Performance 4.0

This is a great little NAS. I stuck in 2 1TB drives. I also had problems during the formating step having the interface freeze at 94% complete like mentioned by others. But it did complete the formatting. The web interface works well for managing the DNS 321. This may not be the easiest device to set up if you limited experience with networking but I can't imagine how it could be made simpler. The device is quiet and if it not being used the disks can be can be configured to spin down to conserve power. Of course its not going to be as fast as a native disk because everything is going across the network. All in all I am very satisfied.


Best buy of the holiday season
Reviewer:  XT on  Dec 16, 2009
Customer Rating:    5.0
Value 5.0
Features 5.0
Quality 5.0
Performance 5.0

Added two 1T HD and ran in RAID-1, plug the ethernet cable and turn on the power. It works. The DNS-321 rocks!


Decent NAS For Home Use
Reviewer:  JTL on  Dec 12, 2009
Customer Rating:    4.3
Value 4.0
Features 4.0
Quality 5.0
Performance 4.0

Been running 321 for 2 years on a backup battery. Using a pair of 500GB HDs. No physical issues like overheating. Boot up is kind of slow at 50 plus seconds. Shutdown is much faster at less than 10 seconds. No problems setting up jumbo frame rates between 321 and DL655 router. Large file transfer rates of 10 to 13 MB per sec using gigabit cards and CAT6 cables.


Showing 1 -  5 of  68 total reviews Next >>

What You Should Know
What is RAID?
RAID is an acronym first defined back in 1987 to describe a redundant array of inexpensive disks, a technology that allowed computer users to achieve high levels of storage reliability from low-cost PC hard disk drives, via the technique of arranging the devices into an array for fail-safe redundancy.

"RAID" is now used as an umbrella term for computer data storage schemes that can divide and replicate data among multiple hard disk drives. The different schemes/architectures are named by the word RAID followed by a number, as in RAID 0, RAID 1, etc. RAID's various designs involve two key elements: increased data reliability or increased input/output performance. When multiple physical disks are set up to use RAID technology, they are said to be in a RAID array. This array distributes data across multiple disks, but the array is seen by the computer user and operating system as one single disk. RAID can be set up to serve several different purposes.

Organizing disks into a redundant array decreases the total usable storage capacity. For instance, a 2-disk RAID 1 array loses half of the total capacity that would have otherwise been available using both disks independently, and a RAID 5 array with several disks loses the capacity of one whole disk. Other types of RAID arrays are arranged so that they are faster to write to and read from than a single disk.

There are various combinations of these configurations giving different trade-offs and benefits of protection against data loss, capacity, and speed. RAID levels 0, 1, and 5 are the most commonly found, and cover most of the typical requirements.

  • RAID 0 (striped disks) distributes data across several disks in a way that gives improved speed at any given instant. If one disk fails, however, all of the data on the array will be lost, as there is neither parity nor mirroring.
  • RAID 1 mirrors the contents of the disks, making a 1:1 (1 to 1) ratio real-time backup. The contents of each disk in the array are identical to that of every other disk in the array.
  • RAID 3 uses a striped set with dedicated parity or bit interleaved parity or byte level parity.  This mechanism provides fault tolerance similar to RAID 5. However, because the strip across the disks is a lot smaller than a file system block, reads and writes to the array perform like a single drive with a high linear write performance. If one drive fails, the performance doesn't change.
  • RAID 5 (striped disks with parity) combines three or more disks in a way that protects against data loss of any one disk. The storage capacity of the array is reduced by the capacity of the one disk (all disks are of equal size).
  • RAID 6 (striped disks with dual parity) can recover from the loss of two disks.
  • RAID 10 (or 1+0) uses both striping and mirroring. ("01" or "0+1" is sometimes distinguished from "10" or "1+0": a striped set of mirrored subsets and a mirrored set of striped subsets are both valid, but distinct, configurations.)

Limited Warranty

This Item's Warranty is:
-  12 Months Parts
-  12 Months Labor
Warranty provided by
-  D-Link
View Warranty Info

Rebate Information

All rebates expire at Midnight Eastern Time on the date listed unless otherwise noted.

What's In The Box


Contents of package may vary from those pictured and stated here, due to changes in manufacturer's specifications or merchandising. Please check the product information carefully, items not included may no longer be required.
D-Link DNS-321 Network Attached Storage Enclosure - 2-Bay SATA, RAID 0/1
  $89.99*
Manufactured by: D-Link
Warranty provided by: D-Link
Limited Warranty: 12 months parts; 12 months labor
Mfg Part No: DNS-321
UPC No: 790069314162
Box Size: ( Length: 8, Width: 11, Depth: 8 )
Shipping Weight: 5.3500 pound(s)
Click here for full warranty and support information
Limited Warranty: A full text version of the limited warranty may be obtained by mailing a self addressed, stamped envelope to the address below and requesting the warranty for item number: D700-2364

TigerDirect.com
Warranty Information
7795 W. Flagler St. Suite 35
Miami, FL. 33144

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