Nextcloud Turnkey Appliance
Enterprise-Ready Private Cloud Collaboration

Overview
Nextcloud is the leading open-source platform for secure file sharing, real-time collaboration, and digital workspace management—trusted by thousands of organizations worldwide.
The Holstein Nextcloud Turnkey Appliance delivers this power as a fully integrated, ready-to-deploy hardware + software solution. Each system arrives preinstalled, optimized, and tested, with 1 year of free hardware support and infinite upgrade scalability.
Key Value Propositions

1 Year Hardware &
Software Support
Direct from Holstein, with
optional escalation available

Infinite Scalability
Seamlessly add CPU, RAM, storage, or cluster nodes

Security & Compliance
GDPR, HIPAA compliant with
on-premises data control

Integrated Office Suite
Collabora Online or OnlyOffice preconfigured

Zero-Touch Deployment
Shipped fully tested—just rack, connect, and power on

Advanced Integrations
LDAP/AD, SSO, HA clustering, and more
Recommended Hardware Sizing
User Tier
CPU (Cores)
RAM (GB)
Storage (RAID)
Network
Small Business
4
16
1 TB SSD RAID1
2 x 1Gb
Small Medium
8
32
2 TB SSD RAID1
2 x 1GbE
Standard Medium
12
64
4 TB SSD RAID10
2 x 10GbE
Larger Medium
16-24
128
8 TB SSD RAID10
2 x 10GbE
Sizing based on Nextcloud offical documentation and community best practices
Collabora Online or OnlyOffice
For 100 concurrent document editors, allocate at least 4 CPU cores and 8 GB RAM to the document server container.
Nextcloud Talk (Video/Audio)
Each active HD video call user requires ~1.2 Mbps bandwidth; for 50 users, plan for at least 100 Mbps uplink.
Database
For more than 200 users, a dedicated PostgreSQL or MariaDB instance is recommended for optimal performance.
Caching
Redis and APCu are enabled by default for optimal performance and reduced database load.
Storage
SSDs are strongly recommended for all tiers. RAID10 configuration is recommended for deployments with more than 100 users.
Core Features

Secure File Sync & Share
End-to-end encrypted with granular
access controls

Real-Time Collaboration
Integrated document editing, chat,
and video conferencing

Mobile & Desktop Clients
Seamless access across all platforms

Advanced Search
Full-text search with ElasticSearch backend

Holstein Value Add
Hardware health monitoring and
custom branding

Compliance & Auditing
Audit-ready logging for
regulatory requirements
Our Deployment & Support Workflow
A proven 5-step process ensuring seamless deployment and ongoing success of your Proxmox infrastructure
Consultation & Sizing
Holstein engineers assess your requirements
Preinstallation & Testing
Assembled, installed, configured, and stress-tested
Delivery & Onboarding
Shipped ready-to-rack with onboarding support
Ongoing Support
1 year free hardware support included
Infinite Upgradability
Expand at any time—no vendor lock-in
Integrations & Scalability
Optional add-ons to enhance your deployment
Document Editing
Collabora Online or OnlyOffice
Directory Services
LDAP/Active Directory integration
Single Sign-On
SAML, OAuth2 authentication
High Availability
Multi-node clustering & load balancing
Custom Integrations
API access for third-party apps
Ready to Modernize Your Collaboration?
Contact Holstein to request a quote, discuss
custom sizing, or schedule a technical consultation.

