Nextcloud — system requirements

Self-hosted file sync and collaboration platform with file sharing, calendar, and contacts apps. · website · repository

Minimum RAM

128 MB

“Nextcloud needs a minimum of 128MB RAM per process, and we recommend a minimum of 512MB RAM per process.”

Scope: Per process, general server installation · official source · retrieved 2026-07-24

Recommended RAM

512 MB

“Nextcloud needs a minimum of 128MB RAM per process, and we recommend a minimum of 512MB RAM per process.”

Scope: Per process, general server installation · official source · retrieved 2026-07-24

No official figure published for: minimum CPU cores, recommended CPU cores

We publish nothing we can't source. Evidence of the gap.

External services

Image: nextcloud · compressed size (amd64): 526 MB · architectures: amd64, arm64, armv7 · source, retrieved 2026-07-24

Paperless-ngx — Document management system that indexes and archives scanned documents with OCR.
Pi-hole — Network-wide DNS sinkhole that blocks ads and trackers for every device on the local network.
Syncthing — Continuous file synchronization program that syncs files directly between devices without a central server.