Architect Your
Infrastructure

Professional hardware estimation for Proxmox clusters. Engineered with enterprise-grade logic to ensure stability, high availability, and adherence to industry best practices.

Virtual Machines

Count

vCPU per VM

RAM per VM (GB)

Storage per VM (GB)

LXC Containers

Count

vCPU per LXC

RAM per LXC (GB)

Storage per LXC (GB)

Infrastructure Strategy

Storage Backend

Redundancy Strategy

Target Node Count

Growth Buffer (Safety Margin) 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

Amila Kothalawala

Freelance Tech Architect

🌐 Visit Website in Connect on LinkedIn

Bridging Silicon & Strategy

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.

Proxmox VE Linux Hardening Docker / K8s pfSense ELK Stack WireGuard ZFS

📸

Digital & Creative

Enhancing online presence through data-driven marketing, e-commerce strategies, and visual storytelling.

Digital Marketing Product Photography E-Commerce Branding Videography

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.

Contact Me

Privacy Policy & Terms

1. No Data Collection

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.