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Seagate NAS 2 Bay 4TB Personal Cloud Storage Drive

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Quoting product code: A80RL


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About this product


  • Total 4TB capacity can store up to 31 hours of 4K video
  • Supplied with two 2TB hard drive disks in individual bays
  • Seagate SimplyRAID, USB, cloud or remote backup options

Product overview

• Start centralising and securely accessing your files from this NAS drive and everywhere
• Two 2TB Seagate NAS hard drive disks (HDDs) are pre-installed, giving you a potential total storage space of 4TB
• Schedule automatic backups to the NAS from your Windows or Mac computer
• Set up a contingency plan for a rare drive failure, with Seagate’s SimplyRAID, USB, cloud or remote backups available
• UPnP and iTunes server built-in and DLNA compatibility lets you stream your media collection to a range of devices
• Securely and easily access your files using the Sdrive app for Apple iOS and Android devices
• Have an offsite backup of your files thanks to the integration with cloud services such as Amazon S3 and Box
• Turn your Seagate NAS into a fully featured Network Video Recorder (NVR) by installing the Seagate Surveillance Manager

Easy to use NAS drive that can be scaled to your needs
If you’re looking for a central location to store your files and be able to access them locally and anywhere, this easy to use drive would be perfect for you (manufacturer’s code: STCT4000200). It is supplied with two 2TB Seagate NAS HDDs for a possible total storage capacity of 4TB. These NAS HDDs are optimised for running 24 hours a day, have improved vibration tolerance and advanced management capabilities. This means you have improved reliability and longevity of the drives compared to traditional HDDs that are used in a NAS environment.

The simplistic web interface of the Seagate NAS OS lets you easily allocate volumes, add and manage apps, configure RAID, create users and groups with specific access rights, create iSCSI targets and more. The OS also gives you the ability to use any attached USB devices to increase the overall storage of the NAS without having to replace the drives. If you do want to replace the drives for higher capacity ones in the future, please click here for a list of compatible drives.

What RAID configurations can I set this NAS drive at?
The more standard RAID settings of JBOD, RAID 0 and 1 are a quite daunting to set up. That is why Seagate have set their own SimplyRAID configuration as the default configuration, which is a lot quicker and simple to setup compared to the more traditional RAID configurations. Compared to other configurations SimplyRAID builds the RAID array in the background, so you don’t need to wait for the RAID to be built before using the drive. Built into the NAS OS software, the SimplyRAID technology can help you choose the RAID configuration that is best for you, by balancing performance, capacity and redundancy.

There is support for third-party backup software for Windows computers and you can use Apple Time Machine for Mac computers. You could also use the included backup manager to schedule backups to happen regularly, whether that’s a full system backup or only when there has been a change in a certain folder.

Any files or backups stored on the NAS drive can be archived again by either using SimplyRAID or RAID 1, which creates copies of the files. Alternatively, you can use other methods to provide you with a contingency plan if a hard drive failure does occur. You can back up the files to a connected USB device, to another NAS drive that has Rsync server support and to Amazon S3 or Box cloud services. This helps to provide you with a safe offsite backup that you can use to restore any lost files.

What applications can I use with this?
In addition to being able to use MyNAS to have remote access to your NAS drive, you can use Seagate’s Sdrive feature. From any desktop or laptop, you can access the NAS by clicking on the Sdrive icon. Then you can drag and drop files to store onto the NAS or open files from the NAS. You can download the Sdrive onto your smartphone too, giving you secure access to your files.

The NAS OS is not only limited to the file browser, backup manager and download manager you see on the dashboard. You can add other Seagate apps such as the Seagate surveillance manager, which turns your NAS into a NVR for your CCTV cameras. You could do even more with the NAS by installing third party apps, such as Plex, WordPress, ElephantDrive, Syncbox and more.

Can I play and view media files on other devices?
The built-in UPnP and iTunes server and DLNA compatibility means you can stream your media files located on your NAS to a number of different devices. As long as your Smart TV, media player or speaker is connected to the same network as the NAS drive you can play your videos, view your pictures and listen to your music.

What other features are there?
Through the NAS OS system you can create users and groups, assign them specific files storage sizes and access rights to certain files. A great feature for small businesses to share the centrally stored files with employees and clients or if you want to share your files with family and friends.

Rated 5 out of 5 by from Love it Running windows 7 64bit , have had a few external hard drive and this without question is the best . Very quiet and very quick , easy quick set up on line help if needed , even videos to get the most out of it . Can't go wrong .
Date published: 2015-09-13
Rated 5 out of 5 by from Works Well Quiet, efficient and will automatically sync or upload to Box/OneDrive/Amazon and an array of cloud providers. Slight compatibility with my Sky Router (but not the NAS's fault), ran fine with TalkTalk Router and BT HomeHub.Quick at serving files and the NAS program for Win 10 makes accessing on the go easy and secure.
Date published: 2016-12-27
Rated 1 out of 5 by from Probably not for a mac After 5 days I couldn't get it to work on my mac (running Yosemite 10.10.3). There were obvious basic bugs in the software as well as freezing and needing to reboot. Seagate support just kept saying read the FAQs, which didn't help me at all. If you want reliable backup and you have a mac, this doesn't seem like the way to go! Fortunately, Maplin took it back OK. Maybe it works better on PCs/Linux, and maybe Seagate will improve the mac software (I used the latest April 2015 versions).
Date published: 2015-04-08
Rated 1 out of 5 by from Not great Have been wondering whether to return this as it frequently disappears from my home network, which otherwise runs along happily. The side of the box boasts of apps for android and iPhone which in reality don’t exist (they exist for 4 and 8 bay arrangements only) and even the apps for them get terrible reviews on the Play store. There are a range of hugely dysfunctional 3rd party apps which are equally useless. Wandering around the NAS remotely via allows you to see and download folders, but not upload. In all its small and quiet and displays drives plugged into the USB well. Unfortunately, the idea of it being your ‘own personal cloud’ doesn’t work due to poor functionality, interfaces and reliability. Just this morning it has lost connection to my home network (thus removing remote access) three times. It underperforms compared to the decade-old system it’s replacing. The storage space is twice as much as there was but everything else underperforms.
Date published: 2016-03-21
Rated 2 out of 5 by from The absolute ENTRY level Home\SOHO NAS Bought this from Maidstone a couple of years ago. (Interesting note, Me: Do you have any NAS devices that can act as an iSCSI target? Assistant standing by HDD's: Sorry, what's a NAS?..). I have this 4TB model with 2x2 TiB HDD's. The drives are Seagate NAS drives and I operate at RAID 1 which mirrors data in case of disk failure so I only have 2Tib usable space. 1st point, the read\write speeds are average at best BUT acceptable. The device only has 1 network card and a puny processor (in comparison to good performing makes). The issues I have are the add-ons touted for the device itself. The device doesn't have enough power to run them effectively and, as in the case of the Plex Server, will simply become unresponsive and will need up to 10-15 minutes before it's accessible again. Even when simply updating the library. If you want to store Movies, Audio etc use this as the storage location and NOT the 'Server'. The file Browser 'app' loves to crash during file transfers from remote sources OR directly plugged in. Again, get used to 10-15 minutes before it'll even display a login screen to the device. Intuitive UI, Horrific performance. But...Let's state the price point argument. A (slightly) comparable Synology WITHOUT the HDD's is approx £400. And that's compelling if you're on a budget. I myself will be getting one of those. I'd still buy this model, i'd just not expect anything other than plain simple network storage, and i'd be fine with that as it fulfills that role.
Date published: 2017-07-16
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Product Specifications

Expandable USB Storage:


RAID Options:







256-bit AES Encryption

Password Protection:


Backup Software:

Hot swappable drives
Seagate NAS backup
Time Machine





Personal Cloud Storage

Operating Specifications

Storage Capacity:


Ethernet Speed:

10/100/1000 Mb/s

Maximum Capacity:




Maximum Number Of Hard Drives:

4 x 3.5-inch drives (6 TB in 2 bays)




Power Specifications

Power Supply:


System Requirements & Software

Compatible Smart Device App:


Dimensions & Weight











Package Contents:

1 x Seagate NAS 2 Bay 4TB Personal Cloud Storage Drive
1 x Ethernet cable
1 x Power supply
1 x Quick start guide


PC Connection Type:


Technical Specifications


ARM 1.2GHz processor

what is the largest size(TB) that I can have in this device please?

Asked by: paul
Maximum number of hard drives: 4 x 3.5-inch drives (6 TB in 2 bays)
Answered by: Dominic
Date published: 2016-10-03

What is the wattage of this so I can workout running costs please

Asked by: Pault
Approximately 90 watts.
Answered by: Dominic
Date published: 2016-08-20

What are the typical read and write speeds when transferring a 2GB file over a 1Gbps LAN then? In theory, it should be around 125MB/s but in the real world, you dont even get anything over 38MB/s?

Asked by: Simon
It's important to note we are a retailer of this product not the manufacturer, as such we will quote the performance figures provided to us by that manufacturer. When quoting read write and data transfer speeds manufacturers will often quote the maximum possible attainable using optimum conditions. Real world speed would be affected by many factors, including but not limited to. Total amount of network traffic. The processing speed of the device requesting the data and the network speed of that device. Other background tasks being carried out by the requesting device. Other devices on the network requesting data from the NAS. Allocation of data traffic by the routing device that the NAS is connected to. Any or all of these can impede the maximum attainable speed.
Answered by: Les
Date published: 2016-06-22

What are the read and write speeds of file transfer over a gig nework via Windows 7? There are some reviews that this NAS dont even provide a file transfer speed of more than 10MB/s.

Asked by: Simon
It would depend on the network environment, the Ethernet ports used on the drive are Gigabit (10/100/1000 Mb/s) but the type of cable used, router constraints, distance covered, connection type of the source/destination device (wireless connections can take much longer than hard wired) as well as the installed storage drives of both this device (included Seagate NAS optimised 5900RPM SATA III) and the other device(s). All of these factors contribute to the overall transfer speeds available.
Answered by: Gareth
Date published: 2016-06-18

I was sold this for home office backup but doesnt seem to work with windows 7 home premium edition (not informed in store). Is there a way to get it to work?

Asked by: Andy
There should be no issues with this on Windows 7, if you are having issues please either give us a call on 0333 400 9500 or email the details to
Answered by: Russell
Date published: 2016-04-05

Does the HDD turn off when no one is using it?

Asked by: James
Yes, that is correct.
Answered by: Russell
Date published: 2016-03-24

is this compatible with windows 10

Asked by: slat
Yes, it should be fine with Windows 10.
Answered by: Brad
Date published: 2015-10-06

Does this nas support backing up to crashplan service?

Asked by: Pauli_the_gamer
I am sorry but the item in question does not support use in your intended application.
Answered by: Russell
Date published: 2015-10-05
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