DiskStation DS1821+

Synology

DiskStation DS1821+

19 positive 1 neutral 12 negative

Based on 32 Reddit mentions

$4599.00

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Reddit mentions

Original Reddit posts and comments behind this analysis.

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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

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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

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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

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