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Synology DS211 Diskless System DiskStation 2-bay NAS Server for Workgroups and Offices

  • 2-Bay
  • Diskless System
  • 1.6GHz CPU Processor
  • 1 x 10/100/1000M
  • 3 x USB2.0
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Learn more about the Synology Inc. DS211

General

Brand
Synology
Model
DS211

Interfaces

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

Configuration

Form Factor
2-Bay
Operating System
Operating System: Synology DSM 3.0

Supported Clients
- Windows 2000 onward
- Mac OS X 10.3 onward
- Ubuntu 9.04 onward

Supported Mobile Devices (Photo Station, File Station)
- iPhone OS 2.2.1 onward
- Android OS 1.5 onward
- Windows Mobile (IE Mobile or Opera 9.0 onward)
- Symbian OS 9.1, S60 3rd Edition onward
Processor
1.6GHz CPU
Default/ Max. Memory
256MB 16bit@DDR1066

Hard Drive Performance

Included HDD Capacity
Diskless System

Conveniences

Supported Protocols
Networking Protocols: CIFS, AFP, FTP, iSCSI, Telnet, SSH, NFS, WebDAV, SNMP

File System: EXT4, EXT3, FAT32 (External Disk Only), NTFS (External Disk Only)
Management
Volume Management
- Synology Hybrid RAID
- Max iSCSI Target / LUN: 10 / 10
- Volume Type: Basic, JBOD, RAID 0, RAID 1
- RAID Migration: from Basic to RAID 1
- Expand RAID 1 with Larger Hard Drives

Management
- DSM Upgrade
- Email Notification
- SMS Notification
- Customized User Quota
- DDNS Support
- PPPoE
- Resource Monitor
- UPS Management
- Scheduled Power On/Off
- Custom Management UI HTTP/HTTPS Ports
- System Temperature Display

HDD Management
- HDD Hibernation
- S.M.A.R.T.
- Dynamic Bad Sector Mapping

Power

Power
AC Input Power Voltage: 100V to 240V
Power Frequency: 50Hz to 60Hz, Single Phase
Power Consumption: 31.2W (Access); 10.8W (HDD Hibernation)

Features

Features
Feature-rich 2-bay NAS Server for Workgroups and Offices

Max Internal Capacity: 4TB

RAID Protection

Windows+Mac+Linux Cross Platform File Sharing

Rich Office Applications

Effortless File Backup

Peace of Mind with AES 256-bit Share-level encryption

DLNA/UPnP Media Server Support

Dimensions / Weight

Dimensions
8.58" x 6.34" x 3.46"
Weight
2.16 lbs.

Environment

Temperature
Operating Temperature: 5°C to 35°C (40°F to 95°F)
Storage Temperature: -10°C to 70°C (15°F to 155°F)
Humidity
5-95% R.H

Manufacturer Warranty

Parts
2 years limited
Labor
2 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Synology Inc. DS211

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  • Luciane S.
  • 10/4/2012 4:30:21 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsOde to Joy!!! Ode to my NAS!!

Pros: There are many pros. 1. The DSM interface or UI is simply oustanding. When I purchased my DS211 Synology was on DSM 3.1 and they are currently on 4.1 and boy are they making improvements! But there's more than beauty to this beast. The throughput is very ample, the functionality is ROBUST! EZInternet set up will take you through getting your DS "on the web" so you can access it from anywhere with a browser. It has a pretty good list of supported routers and literally takes you through the entire process, writing the port forwarding rules to your router, setting up your DDNS server (Synology provides free). You can stand up a website with this NAS, it has packages for Wordpress, Joomla, Drupal, and many other CMS, eCommerce sites, man, the list just goes on and on, not to mention the user community out there writing code for several other apps.
It can serve up your email, serve FTP, S-FTP, and just about any other purpose you can think of. I use my to stream music to my audio system all the time as well as streaming movies to my Samsung LED. There are several RAID options, I opted for a hybrid RAID setup and am quite content with that. Really the functionality of this device is so robust, I really don't have enough space here to write about all of it. While I don't use many of the apps on my NAS, I certainly put it through its paces and it truly shines.
Keep in mind that you should make sure whatever hard drive you choose is also on the compatibility list. I purchased 2 Samsung drives and am totally happy with them (also purchased here.)

Overall, this is my first NAS, but I've been in technology for several years, and Synology could not have given me a more pleasant and fun introduction to Networked Attached Storage. Also got it for a good price at NewEgg - shipping as always was flawless.
Thank you Synology for an outstanding product!!!

Cons: Well it's not the cheapest NAS, but I will tell you this. It is worth every cent.

Other Thoughts: I had a few NAS lined up...which one will I choose? Which one to buy??? Should I get the QNAP? Synology? LaCie?, D-Link? I did a lot of homework on this decision. My budget was right at $300.00 (not incl. drives) and therefore wanted to make the RIGHT decision. that was a lot of money! After doing my research, and reading tons of reviews I was pretty sure I was going with the Synology, but the QNAP was also still out there. That is until I watched several YouTube videos of the DSM (DiskStation OS basically) and then played with DSM on Synology's website... I WAS SOLD! Received it in the mail, unpacked, installed my drives, and was up and running in a very short time. It's been nothing but happy times since...
Over a year later and it's still working great!! I am STILL learning new things I can do with my NAS, so it literally has been over a year of learning some really fun and sometimes somewhat difficult things to do. So if you are a seasoned IT Pro who knows the NAS world inside and out, I believe you will be happy with the robustness of this device and its capability. For sure there are faster NAS out there (Throughput speed) but they are definitely more expensive. The DS211 really was at the top of my budget, but hands down I would purchase this unit all over again. In fact I'm already planning on my next Synology purchase. Going for more than 2 drives this next time!!

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  • Bart P.
  • 4/7/2012 11:40:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat little NAS

Pros: Fast and flexible for the price. Much more control than I expected. Reliable, if you use compatible drives (see below).

Cons: On the expensive side (but see below)

Other Thoughts: When I looked around for a home NAS, most were overpriced, and pathetically under performing. Synology was on the high end pricewise, but this model, not necessarily the cheaper "J" version, does perform. It's worked great for ~10 months (with 2, mirrored 2GB drives).

I haven't really used many of the huge number of extra features, and don't know their quality. At this price point, I didn't expect much. It's great for a local backup and shared storage for a home network. Streaming various media to a Playstation is ok for my needs (with Netflix).

If you buy Synology, consider getting a step up from the very low end (back then the 'J' models). The extra performance is really nice on a Gb network (~50MB/sec both ways). Also, be sure to read the supported disks for the model you get beforehand. Look in the forums as well, since some people do have issues with certain drives/configurations, but this seemed to be true of most home NAS.

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  • Jason L.
  • 11/3/2011 1:04:40 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsFastest NAS for the Price.

Pros: Easy to Setup
Fast Transfer Speeds
Quiet

Cons: None so far.

Other Thoughts: We bought 2 of these at work to replace our D-Link DNS-321 NAS devices which are extremely slow.

We tried 2 different setups, both in a mirror.
Set 1: 2 x Seagate Constellation ES ST3500514NS
Set 2: 2 x Western Digital VelociRaptor WDBACN6000ANC-NRSN

Speed Tests (250 MB file, 64kb Block size, Gigabit Ethernet)
Set 1: Write 39.2 MB/s, Read 35.2 MB/s
Set 2: Write 39.4 MB/s, Read 35.9 MB/s

Speed Tests (250 MB file, 1 MB Block size, Gigabit Ethernet)
Set 1: Write 55.8 MB/s, Read 48.0 MB/s
Set 2: Write 55.5 MB/s, Read 48.7 MB/s

The D-link was almost the same in both tests
Write 13.3 MB/s, Read 9.5 MB/s

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

  • Charles R.
  • 8/14/2011 1:23:34 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks great

Pros: Supports more protocols than any one person would need. Open Betas for the adventurous. Solid high speed access on 1G network (90-50% the speed of my local 7200 SATA drives, with a pair of 5400 Green drives installed). Very Low power. I have it monitoring my house, downloading large files when I want to go to bed, sharing my photos, VPN access.

Cons: The one camera license thing I can see being annoying, but I do not use cameras so not a real con for me.

Other Thoughts: Another user has stated that he has to reset his windows connections to keep it running with the DS211. If that happens (and a windows network reset fixes it) it is a problem with windows, his network interface on the PC, or his switch.
Networking and using all of the features of a device like this, is a bit of heavy lifting. This not the fault of the DiskStation, but the network protocols and implementations (Tower of Babel anyone?!)
Oh and not another con, but I have playing with all the features and that does take a while. Had a Maxtor MSS NAS and this has easily 40dB more features. There are a lot of PC apps I seldom use anymore (Like WinAMP).

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  • Han N.
  • 7/13/2011 6:37:29 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDisappointing

Pros: Fast, expandable, quiet (I guess, but it's in a storage room out of the way).

Cons: This thing is so buggy. I've had it for 5 months and have updated the firmware a couple of times. Using it with Windows explorer to copy files in and out works about half the time on my Windows 7 computer. Sometimes it causes my network connection to drop and I have to reset my network adapter. On my XP computer, I can't directly save a file I'm working on that's located on the DiskStation. The browser-based application is pretty unintuitive, especially when I need to copy files back and forth between it and a local drive.

Other Thoughts: I wanted to get something that was fast but wouldn't break the bank. Unfortunately, it's not functional enough for me.

1 out of 5 people found this review helpful. Did you? Yes No

  • Larry B.
  • 7/9/2011 7:08:19 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPerfect SOHO NAS

Pros: Fast, easy to set up, Fast, quiet, did I say fast?

Cons: Cost, but you pay for fast. I can't think of anything I want to do that I can't do with this NAS server.

Other Thoughts: Set up mirrored 2TB WD Green drives and I can get over 50MB/sec writes down my Gigabit Ethernet connection.

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  • Austin S.
  • 4/20/2011 7:08:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsYou think it might be a deal until...

Pros: Does do media and itunes although seems to disconnect alot.

Cons: I’m very angry about this. It’s advertised as being allowed to have up to a certain number of cameras but nowhere on Newegg where I bought this did it state that you had to buy licenses for more than one camera (or it was not obvious, super fine print that hides the truth is just going to make me angry). This was a key feature I wanted and it would not have been as big of a deal if it wasn’t so deceptively done. This is my first NAS experience and I don’t think I’m going to recommend it to anyone especial Synology since they feel the need to nickel and dime their customers for feature that they seeming advertised as included.

Be aware if you want to use the Servalence system OLNY 1 IP camera license comes free! Must buy expensive keys at $50-60 a pop!

Other Thoughts: Would be worth it if you didn't have to pay for IP camera licenses. Extremely lame and didn't find out that 1 license = $60 and 4=$200 until i tried to install my second camera

4 out of 12 people found this review helpful. Did you? Yes No

  • DEVIN C.
  • 4/14/2011 3:26:56 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat little box for the price

Pros: Easy to set up. Nice UI.

Cons: Very slow USB backup.

Out of date iTunes server (can't handle Airplay).

Other Thoughts: I narrowly avoided a backup catastrophe, so I rushed to Newegg and ordered up this box.

I'm very happy with it with a couple of minor caveats.

First, it took 7+ hours to format a pair of 2TB HDs as Raid 1.

Also, backing up about 200G of data to a USB drive took over 1.5 days. I know the limitation isn't the drive as I also backed up the same data from my PC in about 8 hours.

Overall though, I am very happy with this box and can highly recommend it.

Did you find this review helpful? Yes No

  • Anonymous
  • 4/7/2011 2:58:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggsBasic solid nas

Pros: Basic entry level NAS with outstanding software package. Multiple possibilities

Cons: One camera license is included with the device. To add more than one camera to the surveillance station software you must buy "Camera Licenses" which are priced over 60 USD (each) at the time of this post.

Other Thoughts: This thing is a powerful machine.

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

  • Charlie C.
  • 3/27/2011 8:10:46 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsOutstanding Unit

Pros: Wanted backup of 5 computers in local network. We had studied NAS technology several years ago but rejected the concept as we could not find any gear with decent reviews. The reviews of this gear are generally good. We selected the 211 for the increased speed of transfers, although point may have been moot since we have 10/100 LAN which we aren't likely to change anytime soon (1800' CAT5e cable in the building).

We purchased two 1 TB Western Digital drives. This seemed the smallest useful size to us. Our drives were Synology tested models. See their website for a list of acceptable drives.

Can highly recommend this unit for ease of setup and installation on our Windows systems. We chose to setup the drives in RAID1 format so that everything on the 1st drive is automatically duplicated on the 2nd. There are several other choices on how to set up the system, and a trip to the Synology forum was all that was required to figure out what we wanted.

Cons: There are no cons that we have found. Formatting the two drives took about 4 hours, which is not objectionable for the amount of disk space involved. The included DSM software installed easily enough and quickly enough considering that it is itself a mini operating system. Once it is installed, it presents you with a desktop screen similar to a Windows or Macintosh system which you access through your browser. By making the folders shared through this interface, you can map these as drives on other computers on your network.

There seems to be great concern among other reviewers with the speed of transfers and sound that the unit makes. We move large files around on our 100 mps network all the time, and that speed always seemed fine to us. The Disk Station is no different. The device seems extremely quiet to us, thus leaving us to question the priorities of some reviewers.

Other Thoughts: Another user complained that his NAS worked only when connected directly to the router and not when it was connected to a network switch. Ours is connected to a switch and works fine, thus showing that all network switches are not created equal (which, by the way, they are not).

The included Data Replicator software can be set to make backup copies of your computer or network drive(s). It will do this on demand, on a preset schedule that you enter, or it will constantly scan the specified drive or drives and make a copy of any file that is changed. The last option seemed overkill for us, so we have it make a backup of all our data files twice a week. The backup copy is not compressed, so you can go look for a file if you just need to restore one. This software will also maintain previous versions of your files. We keep the last two versions. The initial backup took 3 hours; subsequent ones take 45 minutes.

This unit can be recommended without reservations of any kind!

7 out of 7 people found this review helpful. Did you? Yes No

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