Professional hardware estimation for Proxmox clusters.
Engineered with enterprise-grade logic to ensure stability, high availability, and adherence to industry best practices.
Virtual Machines
LXC Containers
Enter the aggregate resources required for the entire project.
Infrastructure Strategy
20%
Recommended Per-Node Configuration
RAM per Node
0 GB
ECC Memory Recommended
CPU per Node
0 Threads
Logical Cores (vCPUs)
Usable Storage
0 TB
NVMe / SSD Recommended
🌐 Networking Strategy
💽 Boot / OS Drives
Use 2x Enterprise SSDs (min 240GB) in RAID-1 (Mirror) specifically for Proxmox OS. ⚠️ Do not install OS on Data drives (Ceph/ZFS).
🛡️ Backup Solution
Deploy a separate Proxmox Backup Server (PBS).
Follow the 3-2-1 Rule: 3 Copies, 2 Media Types, 1 Offsite.
Hi, I’m Amila Kothalawala. A seasoned professional with over 13 years of expertise in Linux, Open-Source Solutions, and Security, combined with more than 5 years in Digital Marketing and Product Photography.
I don't just build servers; I engineer solutions. Whether it's architecting a secure Proxmox Cluster or crafting a digital strategy, my unique combination of technical knowledge and creative skills allows me to deliver innovative solutions that empower businesses.
I built this Sizer Tool to solve a common problem: helping professionals correctly size Proxmox hardware by accounting for hidden overheads like ZFS ARC and Ceph rebalancing.
13+Years Tech Exp
5+Years Creative
100%Open Source
⚙️
Linux & Security
Specializing in system hardening, network monitoring, and cost-effective open-source infrastructure.
Enhancing online presence through data-driven marketing, e-commerce strategies, and visual storytelling.
Digital MarketingProduct PhotographyE-CommerceBrandingVideography
Let’s Work Together
Whether you need to secure your IT infrastructure, build a scalable Proxmox cluster, or grow your digital presence, I’m here to help turn your vision into reality.
This tool functions entirely as a client-side application running in your web browser. No data you enter (such as VM counts, specifications, or infrastructure details) is transmitted to, stored on, or processed by any external server. Your privacy is protected by the architecture of the application.
2. Disclaimer of Warranty
The calculations provided by this tool are estimates based on standard Proxmox VE, ZFS, and Ceph best practices as of 2026. Real-world requirements may vary based on specific hardware components, workload types, and software versions. The creator (Amila Kothalawala) assumes no liability for hardware purchases made based on these estimations.
3. Usage Rights
You are free to use this tool for personal, educational, and commercial planning purposes.