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 2026-08-31

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 2026-08-31

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): 527 MB · architectures: amd64, arm64, armv7 · source, retrieved 2026-08-31

Nginx Proxy Manager — Web UI for managing an Nginx reverse proxy, free SSL certificates, and access lists.
Node-RED — Flow-based visual programming tool for wiring together hardware devices, APIs, and online services.
Ollama — Runs and serves large language models locally via a CLI, API, and Docker image; footprint scales with the loaded model.