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Krystal

Virtual machine hosting
with per-second billing and UK support

Krystal Cloud Virtual Machines give you dedicated compute resources with self-healing storage, triple-copy redundancy and DDoS protection included as standard. Deploy a cloud VM running Linux or Windows in under 60 seconds. Pay by the second and only pay for what you use.

View pricingLaunch a VM

Choose your virtual machine package

Three package types cover everything from general-purpose workloads to GPU-accelerated computing. Pick the one that fits your project and scale it up or down at any time.

CPU Optimised

High-frequency processors with up to 96 vCPUs. Suited to data processing, batch jobs, CI/CD pipelines, high-traffic APIs and web servers. Available with shared or dedicated vCPUs.

View CPU Optimised plans

Memory Optimised

Up to 960GB of RAM for workloads that depend on large in-memory datasets. Built for databases, caching layers, real-time analytics and in-memory data processing.

View Memory Optimised plans

GPUs

Attach Nvidia T4 or L4 GPUs to any Virtual Machine on demand and detach them when you’re done. You only pay for the time a GPU is attached. Suited to ML training, inference, image generation and video rendering.

View GPU options

Dedicated vCPUs for consistent performance

Any CPU Optimised Virtual Machine can be configured with dedicated vCPUs. With dedicated cores, your VM gets guaranteed clock cycles that aren’t shared with other tenants. This removes the variability you can get with shared vCPUs and gives you consistent, predictable performance under sustained load.

Dedicated vCPUs are available across all CPU Optimised tiers, from 1 vCPU to 96 vCPUs. Switch between shared and dedicated at any time.

Get started

What powers your virtual machine

High-frequency processors

All compute runs on high-frequency processors chosen for their clock speeds and core density, with thousands of vCores available across the platform.

Transfer

Each VM includes 1TB of external transfer. Transfer is pooled across all VMs in your organisation, so if one VM uses less, another can use more. Inbound transfer is free.

Self-healing Block Storage

System disks are stored across a distributed architecture with three copies of every block at no extra cost. If a node fails, your data is already replicated and your VM recovers immediately. Thousands of TBs of storage are available across the platform.

DDoS protection included

Real-time, fully automated DDoS mitigation comes with every VM. No extra cost, no configuration needed.

Automatic failover

If a physical node goes offline, your VM moves to a healthy node automatically. There's no manual intervention needed and no downtime. You stay online.

Operating System Templates

Krystal Cloud supports all major Linux distributions out of the box. Pick a template and deploy in seconds.

  • Ubuntu

    • 18.04
    • 20.04
    • 22.04
    • 24.04

  • Debian

    • 10
    • 11
    • 12

  • CentOS

    • 7
    • 8
    • 9 Stream

  • Fedora

    • 38
    • 39
    • 40

Custom deployments and Windows VM hosting

Need to run Windows, a specialist Linux distribution or a pre-built disk image? Krystal Cloud gives you three additional deployment methods beyond the standard OS templates.

Disk Template

Deploy from a disk snapshot of an existing VM. Useful for replicating a known-good configuration or spinning up identical environments quickly.

Custom ISO

Boot from your own ISO file and install almost any operating system. This is the route for Windows VM hosting. Upload a Windows Server or Windows desktop ISO, install it on your VM and run it alongside Linux instances in the same account. You’re responsible for your own Windows licence.

Block Data Import

Import block data from a given URI. Suited to migrations from other platforms where you already have a disk image ready to go.

How to launch your first virtual machine

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  1. 1

    Create an account

    Sign up and explore the platform. No card required.

  2. 2

    Choose a package

    Choose CPU Optimised, Memory Optimised or add a GPU. Select shared or dedicated vCPUs, then set your RAM, storage and transfer.

  3. 3

    Deploy instantly

    Pick a Linux template, upload a Windows or custom ISO, or import a disk image. Your VM will be running in under 60 seconds.

Virtual machine hosting starting prices

All Virtual Machines are billed by the second. You only pay for what you use, and you can cancel at any time. Full pricing, including all tiers and GPU add-ons, is on the cloud pricing page.

  • CPU Optimised (shared)

    Starting spec
    1 vCPU, 1GB RAM, 10GB storage
    From (hourly)
    $0.01/hr
    From (monthly)
    $10.00/mo
    Notes
    Up to 96 vCPUs

  • CPU Optimised (dedicated)

    Starting spec
    1 vCPU, 1GB RAM, 10GB storage
    From (hourly)
    $0.03/hr
    From (monthly)
    $18.50/mo
    Notes
    Up to 96 vCPUs

  • Memory Optimised

    Starting spec
    2 vCPU, 20GB RAM, 25GB storage
    From (hourly)
    $0.10/hr
    From (monthly)
    $70.00/mo
    Notes
    Up to 960GB RAM

  • GPU (Nvidia T4)

    Starting spec
    T4, 16GB GPU memory
    From (hourly)
    $0.28/hr
    From (monthly)
    $201.60/mo
    Notes
    Add to any VM

  • GPU (Nvidia L4)

    Starting spec
    L4, 24GB GPU memory
    From (hourly)
    $0.37/hr
    From (monthly)
    $268.80/mo
    Notes
    Add to any VM

Start building today

Sign up and you’ll be up and running on Krystal Cloud in less than a minute.

Learn moreGet started

Why choose Krystal for VM hosting

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  • UK-based engineering support

    Our support team are engineers based in the UK. When you get in touch, you're speaking to someone who understands the platform and can work with you to get it sorted.

  • Pay for what you use

    Compute is billed by the second. You only pay for what you use, and you can cancel at any time.

Illustrated teal crystal gem surrounded by trust badges: ISO 27001 Certification, Certified B Corporation, 1% for the Planet, and over 5 million trees funded

  • Certified security

    Krystal holds ISO 27001 certification for information security and Cyber Essentials Plus, the UK government's cybersecurity certification.

  • Matched with renewable energy

    We match our energy use with renewables, so enough renewable energy is produced to cover what we consume. Krystal is a Certified B Corp and 1% for the Planet member, with over five million trees funded through our reforestation programme.

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Pricing

Transparency is key. We're upfront with our pricing structure meaning you always know how much you'll pay.

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Documentation

Read our docs and see how you might use Krystal Cloud in your organization.

User documentation

B Corp Certified

Rest easy knowing your cloud runs on 100% renewable energy from a certified B Corporation.

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FAQs

The most-asked questions about our services and billing. Can’t find the answer? Check our Knowledge Base or drop us a line on .

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We’re happy to help answer any questions you have.

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