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I used to have DS106j, 107e, DS109, DS1010+, DS1512+, DS1513+ (w/DX513), DS1813+, DS415play. But now, only using DS916+. I didn't have any Synology NAS running 2.5" HDD because the previou models are "rubbish", they were based on the "J" model from previous generation, also couldn't be upgraded ram. The DSM for "slim" models were kind of Lite edtion which lack of many Synology packages. Until this DS620slim, it can be upgraded to 16GB ram (I'm now using 2GB+4GB). It can be boost up by inserted 2xSSD (but lost 2 bays for storage), so I'm using 2xSSHD as Sysnology DSM and HDDs as data volume. The performance is great. Also, it has almost all the Synology Packages supported.
I bought this and only wanted basic NAS and acceptable speeds. On a whim, I pointed this at my two IP cameras and have been very impressed with the security camera features. My only gripe is that the first two camera licenses are free and then it's ~$50 after that. I'm thinking about buying two more licenses and cameras for outdoor recording. PLEX is awesome. The file IO performance is great. This NAS easily saturates my AC1900 wireless network and comes close to being bottlenecked even on gigabit ethernet.
TLDR: A bit expensive but completely worth the money.
Had a bunch of used 1TB 2.5" 15mm SATA (Not SAS) enterprise drives laying around, figured I'd put them to use in this little NAS. The NAS wouldn't even recognise them. These work fine in my server and in my USB dock, but not in the DS620.
Synology makes great stuff. No complaints about their products, quality or DMS OS. But if you are going to allow room for a 15mm enterprise class drive, you should probably make sure your device can power them. I'm guessing these drives consume more power than this little NAS was designed to put out?
Incredible form factor - small, light, fast, easy to maintain and great configuration options.
Use it with SSD for surveillance system, but it also handle photo backup, PC backup, file-sharing, even play with Docker. Added 8 GB of RAM from Crucial for the better performance, and change stock fan to Noctua, now it is almost silent.
Only one cons - it uses 2-core CPU when the Intel has the same generation and price for the 4-core CPU - shame on you, Synology!
I bought this unit to consolidate a bunch of USB 2.5" disks. Broke them out of their casings and as they are SATA inside, populated the unit. Additionally, there are 2 ethernet interfaces so you are able to aggregate (if your switch supports) for better throughput and redundancy. Really like this box, and will keep on the lookout for SSD disks...
Haven’t used it yet, but it’s a pretty cool little device for storage of digital content. I can’t wait for the actual SATAs and SSDs to catch up on capacity, which will make this way more suitable to my needs. This little guy is way ahead of its time!