Synology
DiskStation DS1821+
Based on 32 Reddit mentions
$4599.00
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Most discussed features
Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Current favorite external SSDs for cache?
Crucial X9 is working great for me connected to M2 Mac Studio. Using in concert with Synology 1821+ HDD RAID NAS. That said, it appears you may need more speed than me. I’m totally content with 1,050 MB/s. I believe the X10 is 2,000 MB/s.
ExpBalSat in r/davinciresolve
February 9, 2026 11:58 PM
2
2 or 4 bay media server?
I started with a DS920+ and now I have a DS1821+ w/ DX513 expansion plus a DS1618+. If drives were cheaper I'd probably have less and just upgraded the drives in my DS1821+.
DocMadCow in r/HomeServer
March 26, 2026 7:04 PM
1
Help power saving settings ASUS Pro WS W790-ACE (Xeon W3)
Pros and cons honestly. Either you keep it simple and within a budget or you toss the wallet at it like I did and end up with that "WANT" vs what you really "NEED". Assumed I was gonna be sitting at 20w idle, have VMs, AI with dGPU, a all in one solution to get rid of all other systems, and to repla
...BuzzbrnV in r/unRAID
March 22, 2026 11:16 PM
1
NAS for Home Theater Media Question
I moved from plex and other tings running on an old windows pc to a synology ds1821+. If I had it to do again I'd do the same. For me the killer app is SHR allowing disparate drives to give redundancy. I love the rich user community - I had my apps all install on a local ssd before I added the cache
...Dabduthermucker in r/HomeNAS
November 19, 2025 6:54 PM
1
Looking for a NAS to store my movie collection
Synology DS923+ or DS1821+ would be perfect for you. Easy setup, great for 4K streaming, and room to grow beyond 40TB. Their software is basically plug-and-play. No building, no headaches. Just pop in drives and you're rolling!
EffockyProotoci in r/HomeNAS
March 4, 2026 2:15 AM
1