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D-Link DNS-320 ShareCenter 2-Bay Network Storage device

  • Desktop
  • Usage High read/write performance with RAID
  • 800MHz CPU Processor
  • 1 x 10/100/1000M
  • 1 x USB2.0
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Learn more about the D-Link DNS-320


IEEE 802.3, IEEE 802.3u, IEEE 802.3ab


Port RJ-45
1 x 10/100/1000M
Port USB
1 x USB2.0
HDD Interface
2 x SATA (2 x Bay)


Form Factor
800MHz CPU
Default/ Max. Memory

Hard Drive Performance

RAID 0, 1 and JBOD


Drive Management
- Four Different Hard Drive Configurations (RAID 0, 1, JBOD, Standard)
- Drive Status with Email Alerts
- Drive Quotas
- Power Management

Device Management
- Internet Explorer v6 or other Java-enabled Browsers

Power Management
- Power Saving
- Schedule power off
- Auto Power Recovery support
Power / LAN / HDD 1 / HDD 2


External Power Supply - DC 12V / 4A Switching


Store and share your documents, music, videos, and photos with anyone on your network

Ideal backup solution for households with more than 1 computer - no need to physically connect a USB drive to each computer to perform scheduled backups

Schedule automatic back-ups on set timeline with included backup software

Share a USB printer over the network between all the computers in your house

Built-in Web File server to access digital files remotely over the Internet

2-bay enclosure for inserting up to two 3.5" SATA disk drives without any tools or attaching any cables

Support for RAID 1 (mirroring) to protect against data loss in the event of a disk drive failure

Supports up to 4TB storage capacity using 2TB disk drives
High read/write performance with RAID

Dimensions / Weight

6.9" x 5.8" x 4.5"
1.87 lbs.


0°C - 40 °C
10% to 95% Non-Condensing

Package Contents

Package Contents
2-Bay Network Storage device
Power Adapter
Ethernet Cable
Quick Installation Guide
CD ROM with: Installation Wizard, Product Documentation

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the D-Link DNS-320

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  • alexis r.
  • 9/13/2013 6:30:50 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

5 out of 5 eggscan't live without

Pros: small, quiet, full of features, easy to use, raid.

Cons: I had to pay to have it

Other Thoughts: This unit is located in my basement and it does a wonderful job. File sharing, backups, torrents download. Plugged it on a UPS next to the switch. Works perfectly. Buy it!

Did you find this review helpful? Yes No

  • Anonymous
  • 5/2/2013 2:44:41 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsCritical details left out

Pros: It can do RAID...if you have the right stuff.

Cons: It can't do RAID...unless you have the right hard drives. I fought with this NAS for two days trying to get it to do RAID 1. I even left it "formatting" over an entire weekend while I went out of town, and it still wouldn't work. After a week of this thing giving me trouble, I called D-link, who didn't even know there was a new firm ware out for the device. After an hour and a half on the phone with them, they finally realized that I was using SATA III drives and the NAS only supports SATA II drives. Originally, I thought it was the WD Green HDs I bought, so I RMA'ed them, which cost me $33, and ordered some WD Blue HDs. What a waste that was. I scoured the documentation quite in depth for this thing looking for trouble shooting info. No where, and I mean NO where, did it mention that if you are using SATA III drives you can use one and only one (XOR in logic parlance) SATA III drive in the NAS. Even their list of "supported" HDs didn't bother to clarify that.

Aside from that, this thing has rather horrible transfer performance. Transfers are not smooth and take longer than transferring data between two machines on my network, even going through two routers.

Oh, and the built in "Ajax web browser" doesn't even exist. If you click it's link, you get a 404. Since you can't get into the device itself, you really can't do anything about that.

Other Thoughts: Since I haven't had time to go find me some 2TB SATA II HDs, I really don't know if this thing was worth the money or not. I'm still hopeful that I can get a set of HDs and do RAID 1, which is what I bought this thing for anyways. Do your self a favor, make sure you get SATA II HDs if you plan to do RAID.

1 out of 1 people found this review helpful. Did you? Yes No

  • Frederick V.
  • 2/22/2013 8:46:37 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

2 out of 5 eggsNot up to being a media server

Pros: This is quite suitable as an inexpensive backup solution. It's got RAID 1 capability and the slow throughput isn't a factor in a file backup context.

Cons: It has a bunch of features that might make you think it's suitable as a media server, but it isn't. You might note that other reviews talk about low throughput. I'm getting 10 to 25 mb/s on a file copy and sometimes that will grind down to 5 (five), and this is on gigabit Ethernet. A BIOS upgrade didn't fix that. Neither does occasional rebooting. You can't play videos or music without constant staccato pauses.

BTW to avoid data loss (take what I am saying seriously) you must update to the 2.03 BIOS. There are KNOWN data loss problems with earlier BIOSes, inlcuding large files being destroyed and problems with Teracopy software. BIOS 2.03 fixes those and other problems.

There are also some flukes with account creation. It's not very useful as a media server if you have to log in as admin ALL the time -- that's how accidental deletions could happen. (Notably, other than difficulty in actually setting account passwords, there is an interesting chicken/egg problem with the process in general... you have to create a user group first and users second, which makes sense, but the interface is set up with users first and group second.)

I am still not able to log in to the unit with the user accounts I created, though I can use the drive mapping software on the CD to force share creation, which you must use as an admin.

I want a data backup, and I was using an external USB drive, but now the roles are reversed -- I am using the USB drive for playing media and the NAS for backup. I'm torn as to whether or not to return this.

Interestingly, the unit uses EXT3 and not NTFS, so if you're one who thinks "in an emergency, I could pull a drive and stick it into my Windows box," I'm going to tell you you can't, unless you use Knoppix or another Linux distro.

Other Thoughts: If you're on a small budget, it really is 100% fine for a backup-only solution. Trying to use this as a media server will only result in heartbreak, however.

I had a P4 running a copy of Windows Server 2003 with a RAID 1 card acting as my media server. I had to set up the wife with a quick computer, so I gave it to her and ordered this NAS confident that it would be a perfect replacement. I would characterize that as a definite mistake on my part.

2 out of 2 people found this review helpful. Did you? Yes No

  • Andrew H.
  • 1/15/2013 11:51:37 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsBenefit of Doubt, but...

Pros: Good alignment where 1 - 2 hard drives plug in.
Instructions clear, simple set-up, no software or drivers issues.
(running core-i7 windows 7, gigabit home hard-wired network - all < 1 year old equipment)
did automatic, non-intrusive weekly back-ups (before it failed)

Cons: non-standard disk format
quit working after about 5 months (no power on/nothing)

Other Thoughts: see other reviews on tech service, warranties etc. I hadn't contacted anyone about it. was going to try another brand. That would mean I loose the original full and incremental back-ups because drive would need formatted (most likely). Hoping hat my Seagate 2tb enterprise drive did not get ruined. Guessing U need to spend MORE (than about $100) for a good, reliable, brand-new back-up system.

1 out of 1 people found this review helpful. Did you? Yes No

  • alexis r.
  • 1/6/2013 5:56:24 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsMust have

Pros: Small, silent, fast, full of features, raid 0/1 or jbod, can attach extra extrernal drive via usb port.

Cons: none

Other Thoughts: A wonderful box to add to my 1000Mbps network. Extra backup for all the computers, file server, great for streaming movies and music; it's hidden somewhere in the house, you plug, configure and forget. Can work as P2P while all other computers are offline.

0 out of 1 people found this review helpful. Did you? Yes No

  • Matthew C.
  • 1/4/2013 6:24:09 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsDecent NAS

Pros: Pretty Fast Transfer Speed.... I get about 20-25 MB/sec...

Easy Setup

Supports 3TB

Cons: This thing is LOUD. Not a big deal for me, since I have this in a separate room, however If you want this for a Movie server, and this is going in the same room as your TV, it could get annoying

When you are not accessing it for streaming HD movies, it is quiet

Other Thoughts: Good NAS, just be warned that the fan can get loud

0 out of 1 people found this review helpful. Did you? Yes No

  • Ryan R.
  • 1/2/2013 9:02:38 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggsGet what you pay for

Pros: Inexpensive, easy to set up.

Cons: Slow transfer speed, average about 25 MB/sec over a gigabit connection. I have tried with 7200 RPM HDD's and SSD's and the speed is the same.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 12/22/2012 2:26:00 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

2 out of 5 eggsCheap but unstable NAS, do NOT store valuable data

Pros: Pro: Cheap, easy to install the hdd.

Cons: Cons: Slow copy/read speed, configuration web UI is troublesome, setup process failed several times.
And worst, skip your files during file moving between folders.
I mapped the shares on this NAS as Z:\ drive. One day when I tried to move my Z:\Movies folder into Entertainment, some of my mkv movies become 0Kb size ! My favourites gone :(

Other Thoughts: Notes:
With single WD Red 3TB:
Write speed: 32MB/s
Read speed: ~ 30MB/s

Ok for a budget NAS, but not recommended for storing your valuable data.

1 out of 1 people found this review helpful. Did you? Yes No

  • Dwayne T.
  • 12/1/2012 1:56:21 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

3 out of 5 eggsI don't own this but my advice based on specs

Pros: This should be fine for simple backup and maybe store documents and photos across your network. Even streaming video to one device at a time.

Cons: Single core slow processor, it has an 800 MHz single core processor. This limits its capability to stream to multiple devices and be used for an active families network drive. I had a similar network drive from WD with the same speed single core and honestly its lag with having 4 computers in the house and 3 TVs with streaming capability built in or devices connected an 800 MHz single core processor can not handle that demand, even over a dual band N network.

Other Thoughts: If you need it to handle multiple devices or speed is important look for something with a faster processor and dual core. You will spend more but less headaches.

0 out of 8 people found this review helpful. Did you? Yes No

  • Gregory K.
  • 10/29/2012 10:33:20 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsGreat Product

Pros: + Awesome price, fast transfers, dependable, fast power-up/down, LED activity lights, mirroring is EASY, web interface makes setup a breeze

Cons: - Missing USB 3.0 interface

Other Thoughts: This is my second NAS drive for home use. The first as also a D-Link, but the interface has improved TREMENDOUSLY. This interface is very clean, dependable, user friendly, and makes setup super-easy. Transfer speeds have improved dramatically, so I use this as my family's movie, picture, financial doc, etc redundant/mirrored archive drive. It lives in the gun safe thanks to the safe's access holes and a nearby CAT6 drop... I WOULD DEFINITELY BUY THIS AGAIN!

0 out of 1 people found this review helpful. Did you? Yes No

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