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Synology DiskStation DS218j 2-Bay NAS Enclosure

CCL Code: NAS0270
Manufacturer Code: DS218J
Manufacturer: Synology
Synology DiskStation DS218j 2-Bay NAS Enclosure

Key Features:

  • Number of Bays: 2
  • Max Drive Capacity: 12TB
  • Max Total Capacity: 24TB
  • Accepts 2.5 & 3.5" Hard Drives
  • Desktop Form Factor


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Cost-effective home storage server

Backup all your digital assets with Synology DS218j, a powerful 2-bay NAS with rapid data transmission and low power consumption, designed for home users.

Cloud Station Backup for PC protection

Featuring real-time incremental backup technology, your data stored on a PC can be backed up to a Synology NAS instantly, using minimal system resources, bringing a truly comprehensive and secure private cloud experience.

Incremental backup:  fast while reducing performance impact

Cloud Station provides an optimized PC backup solution. With the incremental backup technology, Cloud Station backs up only the modified files and divides them into even smaller parts, demanding significantly less system resources than traditional backup methods.

Real-time backup saving you from massive data loss

Cloud Station Backup carries out the most complete backup tasks in real-time. When data is voluminous, real-time backup prevents massive data loss due to unexpected disaster during backup cycles.

Easy file access with QuickConnect

Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on any Internet-connected device with no additional charge.

Main Features

  • Ports: 1 x 1GbE (RJ45), 2 x USB 3.0
  • A versatile entry-level 2-bay NAS for home and personal cloud storage
  • Over 113 MB/s reading, 112 MB/s writing1
  • Dual-core CPU with hardware encryption engine
  • Everywhere access with iOS/Android/ Windows ready mobile apps
  • An integrated media server supporting multimedia streaming
  • Running on Synology DiskStation Manager (DSM)


CPU Family Dual Core
CPU Speed 1.3 GHz


Memory Size 512 MB


Number of Bays 2

Key Features

Total Bay Capacity 24 TB
Total Bay Capacity (SATA) 24 TB
Disk Form Factor 2.5 & 3.5
PC Connection Type Ethernet 1Gbps
HDD Connection SATA III
Enclosure Type Adapter
Maximum Supported Drive Capacity 12 TB
Supports RAID 0 Yes
Supports RAID 1 Yes
Supports RAID 1+0 No
Supports RAID 5 No
Supports RAID 6 No
Supports JBOD Yes
Supports Manufacturer-specific RAID Yes
NAS Hard Drive SetID 106
Drive Model None


USB Support USB3.0
USB 2.0/ USB3.0 No


Warranty 1 Year

Item Details

Manufacturer Synology
Manufacturer Code DS218J
Alternative Part Number 7636490063541
EAN 4711174722815
Condition New

Warranty Information

Warranty 1 Year

Manufacturer Information

Manufacturer Synology
Manufacturer Code DS218J

Do you have you a question about the Synology DiskStation DS218j 2 Bay NAS Desktop Enclosure?

Q: Can 4k films be streamed through the network from this NAS? What about wi-fi?
Answer by Website User on 2nd August 2019
No, I would recommend this:
0 customers found this answer helpful.
Post Answer
Q: Can you access files over the 4G network with this unit
Answer by Website User on 2nd August 2019
As long as you setup FTP on your home setup to be accessible from outside of your network then yes.
0 customers found this answer helpful.
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4 / 5 18 reviews

Jonathan Brocklehurst

5 months ago

great product great price and great service, shipped fast and cheapest on the internet at the time (this inc all costs) will be back

Tibor Ihasz

6 months ago

Recommended product, bit hard to set up if you need it configured an other way.


8 months ago

So easy to set up and use. Access locally and remotely - great device!


8 months ago

Very clever and strong device and easy manage system!!


8 months ago

I don't know how other NAS systems perform but this synology NAS is excellent. it allows me to store my favourite music, films and data and seems to work smoothly and without any hassle. The service from CCL was very good even though I messed them about. They were considerate and efficient. Excellent product and service

chris maughan

8 months ago

This is a fantastic product if you are looking for a Network Drive. It's not for the faint hearted as it's not simple plug and play, but the instructional videos on-line are excellent and take you through the set-up step by step. Highly recommended.


10 months ago

it works, what more could you want!


10 months ago

I found that this NAS drive to be very dependable and easy to setup. As a person who's not very good with computer hardware setting up. This was a walk in the park. Used two 4TB segate NAS hard drives. Works flawlessly.


September 2019

Has a quality build and a very good web interface for setting up and using. The default settings out the box does most of what you need but there are loads of options to fine tune it to your own needs. It has loads of free software to make it really functional including mobile apps. The CPU can handle file sharing easily even while recording CCTV. Haven't tried streaming video to any great degree but I doubt it would have any issues. This is however entry level and I could easily imagine most users wanting to upgrade quite quickly especially if you want to store a lot of movies. It only has two bays and uses a RAID system that obviously reduces storage space. For a few extra pounds consider future proofing and get a bigger model.


August 2019

Easy installation, software installed easily and was setup in a very short time. Now backing all my files from my devices without a worry.

jub central

August 2019

Easy to set up and use. And i am by no stretch a techie. Great service on product selection and delivery from ccl computers. And this after i gave up trying to functionally use a wd mycloud a few years ago. Couldn't be happier -

Ken Starnes

June 2019

I find the web interface useful but at times confusing and there are so many apps ; most of which I'll never use. File copy/transfer using the web interface was slower than copying direct to the drive but that's to be expected I think. I just use it as a file store currently as backup for my 2 old Netgear NAS. Having a Win10 compatible device makes browsing a lot easier. I haven't done any of the tutorials etc which may explain why I don't understand the default directory structures as they seem to be duplicated except for an S on the end. And I'm not sure whether they are a mirrored copy of the default home directory as I copied data into both directories - I very confused by them. No doubt there are cleverer people out there than me that understand what's going on. It seems to be more User Login based than my old Netgears which were generic storage for everybody but if you wanted private storage you created logins. Synology appears to be the other way round. I haven't as yet tried the remote access to the drive over the Internet. It may or may not be useful, only time will tell. Probably for me a bit of an overkill in terms of functionality but I have my important stuff backed up and mirrored on up-to-date drives. I guess I could have just done it with external hard drives but I like the mirror functionality of a NAS.

Keith Ware

June 2019

Bought as a file server. Easy to set up. High Quality kit. Will do much more than I am using it for!

Mr Feakes

April 2019

This is a very complex piece of equipment. There are detailed instructions for computer geeks but very little for anyone else. For instance I am still having problems mounting it as a computer drive. Every time I start the computer, I have to go through the logon procedure with password to get the NAS on line. If the mains power fails, the unit will not power up on power restoration: you physically have to push the power switch on the unit, unlike the router to which it is coupled. This is a pain. The manual addresses many more complex problems but ignores these two simple features.


March 2019

I purchased the Synology NAS drive after my Dlink NAS had issues. Fitting drives into the enclosure is easy and straight forward. The configuration however is not. I wanted to be able to access the drive away from home. CCL do not support the software and trying to work out which of 3 Synology forums gives the best advice is not easy. Using the support ticket system with Synology is slow and requires logging in every time. After 3 weeks I cannot sonnect from my phone and just have a good home NAS.


February 2019

Awesome product with lots of additional apps, highly recommended.


January 2019

It's great works fine and great buy


January 2019

Simple to get up and running, seems well built. There is no hot swap cradles at this price but its easy to open and install. Software management system is straight forward, but might be daunting for some.