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💾 Backup Guide

Synology DiskStation NAS — A Plain-English Guide

Published August 2026 · Last verified August 2026

What a NAS Is ForOne always-on box that holds and protects your files.Photo backupFile sharingPC/Mac backupReach it awayTwo drives safeSynologyDiskStationYour own storage at home — not someone else's cloud.Illustration — features depend on model and setup.
The jobs a home NAS handles.
Why Two DrivesMirroring keeps a second copy in case one drive dies.Inside the DiskStationDrive 1copy of filesDrive 2copy of filesIf one drive fails, the other still has your files.Two drives is safer — but still not a backup by itself.Illustration — drive layout varies; back up important files elsewhere too.
Two mirrored drives protect against one failing.

A Synology DiskStation is a small home server that holds 1-4 hard drives. It plugs into the home network via Ethernet and stores files, photos, and backups.

Bill Davis
Bill's Home Tech · Atwater, Ohio
Want the full deep-dive?
Download the printable Synology DiskStation NAS guide
PDF · plain English · no ads · made by Bill
Brand
Synology
Category
Backup & Storage
Helpful App
DSM (web at find.synology.com), Synology Photos, Drive, Active Backup
Typical Price
$200-$700 (1-2 bay home models)

A Synology DiskStation is a small home server that holds 1-4 hard drives. It plugs into the home network via Ethernet and stores files, photos, and backups.

What's inside this guide

The printable PDF walks through 22 short chapters, in plain language. It also includes at-a-glance pictures.

  1. What a NAS is, in plain English
  2. Why I install Synology for families like yours
  3. Which Synology did Bill put in your house?
  4. Hard drives - why NAS-rated matters
  5. RAID in plain English (and SHR, the easy default)
  6. The 3-2-1 backup rule
  7. First-time setup - powering it on and finding it
  8. DSM - the web dashboard tour
  9. The apps you'll actually use
  10. Synology Photos - your iCloud / Google Photos replacement
  11. The phone apps for everyone in the family
  12. Sharing folders with family - users and permissions
  13. Getting in from outside the house safely
  14. Mac Time Machine backups to the NAS
  15. Hyper Backup - the off-site copy
  16. Snapshots - protection from ransomware
  17. Two-factor authentication
  18. Surveillance Station - cameras without a subscription
  19. When the NAS misbehaves - common problems
  20. When a drive fails - the replacement walkthrough
  21. Warranty, contact, and your Support Plan
  22. Your NAS - notes from Bill

Get the printable guide

Everything above is a quick summary. The full, printable guide — the same words, laid out to read and keep by the computer — is a free PDF.

Download the printable PDF →

Last verified August 2026. Information accurate as of October 18, 2026.

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✍️ Every guide researched, written, and reviewed by Bill — your local Portage County tech.

Any prices or outside products mentioned in this guide can change over time — the details here were last checked August 2026 and this page is accurate as of October 18, 2026; please confirm current pricing before you buy. See how often we review our guides →