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Synology DS920+ 4 Bay NAS Intel Quad Core 2.0GHz 4GB DDR4 $760.50 Shipped (eBay Plus) $780 (Non Plus) @ ShoppingExpress eBay


Been watching this bad boy for some time. Cheapest I have seen so far this year.

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  • +4 votes

    sorry for dumb question but can we setup nearly the same system from an old PC with open source/free software? And what are the most purposes you use this one for? to store CCTV footage as a NVR, movies server, photos, prawns and backup?? I have never used those things before and failed to see the benefit over a backup HDD or a normal PC, at least at the price point.

    • I believe there's lower power consumption on a NAS at the expense of less processing power (so no blue iris etc).

    • I use https://www.freenas.org/ at home with an old PC and 4x SATA drives. It works OK, but unless you know Linux it can be a touch painful to troubleshoot if things go wrong.

      If you're a wintel person, then one of these would make a lot more sense and is far easier to manage. If I was a business I would definitely be using a brand NAS rather than an old PC.

    • The answer to your first question is definitely 'yes', but be prepared to put a lot of work into the setup and constant monitoring. A good quality NAS box will take lot of that hard work out of the equation. Of course, you still need to invest some time and effort into it initially, but the interface is streamlined and keeping tabs on it for monitoring is much easier. Their primary purpose is large-volume storage and backups, however a lot of people put file-sharing apps on them, use them for media sharing, set up a streaming service - there's quite a lot you can do with them.

      I'm looking at putting a NAS into service later this year. I've been tossing up between the Synology or the TerraMaster models. The TMs can be had at a lower cost for similar specs, but it would seem a lot of folks 'round 'ere prefer the Synology operating system. I've also got a friend who runs the big brother of this model and he has a very extensive Plex library that he shares with me, and it seems to work well.

    • I use it as a Plex server. just grabbed this as an upgrade for my older model. I've done the home job before, found it super painful. very easy to set up and manage a RAID array. There's always cheaper ways of doing things, but this works pretty damn well

      • I've been running a Plex server off my home PC for years but bit the bullet yesterday and bought this & 3x extra 8 TB WD Reds. Do you have any recommended guides or anything for setting it all up, or is it reasonably self explanatory? I'm pretty pumped! Going from a 8TB setup on my PC to a 24TB NAS setup. Thing that confuses me is setting up the RAID. I've read RAID 10 is the ideal RAID for 4 HDDs so that's probably what I'll look at - 3 for storage, 1 for redundancy by the sounds of it.

    • Lower power consumption and ease of use.

      If you work in a technical role, just set up a Linux box. You’ll probably learn skills that will be of value, and maintaining it will help keep those skills up to date.

      If you have no need for those skills, just buy a NAS and click through the GUI.

      Personally, I just have an Ubuntu box for my file server. It also runs Wireguard, Pihole, MythTV, Dovecot, TT-RSS, VNC, MariaDB, Nextcloud, Icecast, integrates with my cameras, runs VMs for specific purposes and serves as my main Desktop PC.

      If I just wanted a place to put files, I’d buy a NAS.

      • My main use cases of the NAS are all about the mobile apps Synology published
        DS Camera and DS Photo

        DS Camera hook up with all the IP cams I setup at home and take the RTSP or ONVIF feed
        DS Photo stored all my personal photos and videos in structured format (albums)

        I have also setup AWS Glacier offsite and external usb harddisk backup

        Apart from this, I also use the NAS as a docker server and hook up a couple of docker images
        one of the image is a Shadowsocks VPN server and works really well when I travel overseas (eg. China)

      • Have you implemented RAID on that file server? What did you use?

        • I actually don’t bother with RAID, since I have no uptime requirements.

          I just do regular backups using rsnapshot, then full-disk cloning via rsync to external disks that I rotate. That way, I don’t have all my storage and backups connected to one device.

          I’m old-school. I see RAID as a solution for high uptime in the face of hardware failure, with traditional rotational backups as the better solution for protecting data in less demanding environments.

          Adding RAID wouldn’t hurt, and would save a few hours restoring data in the case an internal drive fails, but that happens rarely enough that it’s not really something that worries me. I’ve lost more data to user error than disk failure, and snapshots protect just fine against that.

    • yes but this simplifies things significantly (especially for RAID) and also has associated software for running your server and downloading purpose built applications.

    • PC is more powerfull and cheaper w/ more open source type sw.
      NAS is more cool, quieter, expensive with more tailored sw.

      So really you're paying for the sw, as the hw is <$100.

      • also smaller, If you went for a rasp-pie in some kind of custom case with it just being large enough to hold 4 3.5" hdds and somehow added M.2. SSD ports with a FAN you'd be talking >$100 in hardware. These boxes aren't very large and are fairly quiet (depending on the disk drives)

        • This sounds like a great option, best of both worlds.

        • RPi4 is probably not a great idea for a media server if going to need to transcode media. Better off using or building a cheap pc

    • If you want to try synology before buying it, install xpenology onto your old PC. It's not that hard and there are plenty of tutorials available online.
      It's a good starting point to familiarize yourself with synology and the apps it provide before spending that much money.
      I believe you can use 2x cameras for free with xpenology if you want to use their surveillance station app.

    • I have 3 hard drives in my PC and you can share the files via the router.
      In terms of power consumption, I only turn it on when I need it. So not much electricity.
      Also why do you need open source NAS software?
      I just use windows SAMBA (uses username & password).
      I can’t justify paying $700 for NAS.

    • These units are excellent and bulletproof. I have three Synology NAS, the oldest of which is almost a decade old and has run 24/7 for that entire time with one failed disk that was quickly replaced. The other two are a '15 model and a '21 model both of which are also issue free. My family have a fair few and other than having issues with some Seagate drives they purchased, they've also been trouble free.

      I use mine for:

      • Media server - Plex and iTunes.
      • A "cloud" storage solution via the Synology disk application installed on all my machines and devices.
      • A central offsite backup location for all my relatives via Synology Drive ShareSync.
      • A Time Machine backup destionation for all my Macs and devices.
      • Automatic backup of my entire Google Domain and all my users contents via Active Backup for G-Suite.
      • Torrent downloads etc via "Download Station".
      • Resilio Sync node.
      • Cloud backup via "Cloud Sync".

      I also have a 24 disk freenas server, and I don't trust it with important data as much as I do the Synology devices. I've had hardware issues with the backplane dying and taking out drives and all other kinds of annoyances that I just haven't had to worry about with these Synology units. Can you do it with old hardware and opensource software.. a lot of it yes. It just won't be as quick and easy to setup, or likely as reliable.

  • So Tempting…
    really want to upgrade from my DS218+ due to the 2 x 1 Gb lan port (aggregate to 2Gb speed)

    • Keep in mind that you won't get any faster than 1Gbps speeds.

      • Haven't tried myself
        But multiple reports have mentioned that by using both ports with router / switch that has Link Aggregation
        it can double up the Read and Write throughput


        • The numbers they're quoting would have been reached via multiple "sessions" or users accessing the NAS at once. I've been using a Synology with link aggregation for years on a switch that supports it, and I've never been able to saturate both aggregated links with a single session even when using a 10gbe client. It's still worth it though, as you'll almost definitely have multple sessions from multiple devices / machines.

    • A bit worried to ask what do you do that requires more than 1GB lan using a 2 disks NAS. :)

      Surely you have your reasons.

  • So genuine question

    Soon looking to upgrade to a 4 or 5-bay nas to handle Plex streaming (direct streaming of 4K remuxes). Current i5 PC can handle it. Would something like the 420j be sufficient at around $400, or should I spend the extra on this? Don't want to pay $400 on the 420j for it to be a waste of time and end up still using the PC as the Plex server.

    Ok, threads like these sorta answer my question lol

    • You could convert you old pc to an unraid server. Benefits over other OS include better docker support and ability to add different sized drives to the array

      • It's not an old PC though, it's the only PC ;)

        • Old pc is okay, the only pc maybe not such a good idea. Could be okay for someone using vm's. However I would not recommend this if just starting out

    • I tried my first 4k remux today an it didn't play on my shield tv (using gigabit lan network not using wifi) I am sure I had read reviews that the 920+ can handle it so maybe I need to do some investigating

      • That's interesting that it can't direct play

        Did you check what the Plex dashboard was showing?

        Mine currently direct plays pretty well, just downmixing the audio to 5.1, over mesh wifi on a shield

        • no I haven't looked into it yet but hopefully I can get it working (I dont have many 4k remux files, I just wanted to see what it looked like so not too stressed at this stage)

  • For me it came down to size and noise.

    I loved building NAS and RAID arrays using my own cages in spec'ed out boxes. But when I wanted more space in my room, I went to Thecus (N4100Pro) first and then migrated to Synology in 2011. I found them MUCH smaller and quieter. The build quality (of the 2011 and 2013) NAS was good.

    Currently I don't like the new(er) DSM software, it feels bloated now for what I want. But it's still working .. just wish I could upgrade to 16TB drives instead of the 4TB ones I've been using for the pat 7+ years.

    Only thing I don't like about this model, the power brick is external .. but that is just my preference.

  • Synology are awesome NAS device
    Personally I vote for Synology than its major competitor QNAP

  • I bought this unit recently. I want to upgrade the memory but I read that it doesn't work well beyond 8GB. Has anyone done this?

  • New to NAS - can someone please tell me what sort of drives I should be putting into this? I've been reading and understand that a cheaper option is to buy drives that you can shuck (and do stress test before shucking in case they need to be RMA). That's about all I know so far. Happy to be pointed to some reading material or just be told what specs to pay attention to. TIA

    • 3.5" drives. The same drives are used in the desktop expansion drives but it's cheaper to shuck.

      Can't really go wrong with either seagate or WD. Just have backups. I'd recommend going for at least 10tb due to SMR vs CMR and aiming for a price point of $25/tb. Amazon US/UK tends to be the best place. Use prime or get a monthly membership for cheap delivery. There is a deal on 14tb atm.

      With WD you will normally get white drives which are relabelled red drives. Should be 5400rpm which generate less heat and noise. I believe WD have mislabelled as some are actually 7200rpm and air filled rather than helium.

      Seagate put in better drives imo. Tend to be either barracuda pros, exos or ironwolf.

    • That would depend on the time you're willing to spend/risk if something should fail .. in most cases the drives should work fine.

      Personally, I'd just buy the OEM ones so I won't void warranties if there are any issues. (I reason it out a "life of the device" as I've been able to use my current HD from 2011/2013 till now.)

      For info I mainly use:
      * https://www.storagereview.com/
      * https://www.anandtech.com/

      Reddit threads are also a good source but it's a hit or miss at times.

    • It pretty much comes down to how important the data and its availability is to you. You can throw cheap drives in there and simply replace them when you have failures, but that significantly increases the risk to your data. On a 4 disk NAS, you're likely using 1 disk for redundancy. So every time a disk fails and you're down to 3.. you've got no safety net and another failure means losing your data. The actual process of rebuilding an array after a disk has failed is hard work for the NAS and the remaining drives, so if one of the remaining three is on its way out.. the rebuild won't help.

      Your best bet is investing in drives specifically intended for use in NAS like WD Reds. The less frequently you're replacing drives the better.

      • What is the preferred RAID configuration?
        It's not life changing data, but I would hate to think that decades of photos and documents would be completely gone if 2 disks fail simultaneously.
        Am i overly worried? What's the chance of that happening?

        • On a 4 disk Synology most people would set it up to protect against single disk failure. Usually if people are looking to go with SHR-2 (which supports two disks failing) they would go with a 5 / 6 / 8 disk setup. On a 4 disk unit, you'd essentially be giving up 2 disks worth of capacity for that added redundancy. If you're using drives that are fit for purpose, 2 failures at the same time are unlikely. Just don't throw cheap drives in there.

          It's also worth noting that there's nothing stopping you from backing up your most important files from the NAS elsewhere as needed. I have an external drive attached to my NAS that important files get backed up to every night with versioning (i.e. I can go back to an earlier version of a document if I need to), and I have other files that get backed up to cloud providers. If you have friends with something similar, you can trade some space on each others NAS and back up over the net for an off site backup (which is what I do with all my extended family members and their important documents).

          It just comes down to risk assessment, and how valuable the files are to you.

  • Hey guys I’m pretty new to all of this, This nas comes without any hard drive ?

  • thanks op, bought one. Planning to use for cctv camera connected through wifi, and backup photos / videos, and plex server.

  • Anything for DS1621+?

  • Hey guys

    Any bargain on hard drives for this bad boy that you would suggest?

  • Been wanting to get one of this but my HP microserver with DSM (Xpenology) installed is still going strong. Love the OS as it's very simple to setup and use compared to FREENAS and other opensource OS.

    • I made the move and am not regretting it.

      Less hassles with upgrades and licences etc. Runs smooth, quiet and cool.

    • I was part of the ech0raix ransomware attack on xpenology, (my data is still locked) I assume because you can't update so no security patches. I would suggest TrueNAS or if you can afford it get yourself a Synology so you can keep it up to date. I wouldn't say TrueNAS is hard to setup if you are after just a storage server, when you are looking at more apps it can get a little more confusing than how user friendly Synology is

      • I watched a couple of helpful youtube tutorials to get myself up and running with truenas.

      • Thanks for the info, I wasn't aware of the ech0raix ransomware but reading about it, looks like they used bruteforce attack and if your password is weak and common, most likely you will get hacked. It's always advisable to use a very strong password and always backup your files.

        • I read they tried multiple techniques to get in, my password was not too easy and definitely not common and I had disabled the root account. I would suggest moving away from xpenology as much as I loved it and try something like truenas or synology if you have the cash

  • hey guys, don't know much about NASs - what do people use them for? are there different use cases other than storing your media?

    • home automation, security, media, steamcache drive, data storage, virtualisation, rclone, home cloud, network level ad blocking, vpn, backups, website hosting, game servers, downloader. I'm sure there is many more

  • I have a 10 year old QNAP NAS that is very slow so it’s time for an upgrade. My plan is to buy a new NAS which will become my primary, but keep my old NAS running purely as storage backup for my new primary NAS.
    Would there be issues sending backups from Synology to QNAP or should I stick with QNAP for my new one? I’ve never used Synology before so I don’t know which is better.

    • Should be just running Hyper Backup from the synology box

    • You shouldn't have an issue. Your old QNAP should have rsync and this one definitely has it which will allow automatic scheduled backups of whatever you want.

  • super quick delivery. ordered yesterday, received today AM.

  • smarthomeau is seller?

  • Waiting for 20% off a DS220j.