Plesk: What It Is, Pricing & Plesk vs cPanel

This is a working reference on Plesk — the panel our Linux server support team administers alongside cPanel on client servers. It covers what Plesk is, edition pricing, supported operating systems including Windows Server, the feature set, the extensions model, and a factual Plesk vs cPanel comparison.

What is Plesk

Plesk is a web hosting control panel: server-side software that puts website, domain, mail, DNS, and database administration behind a web UI, so those tasks do not require shell access. It is developed by Plesk International GmbH, part of the WebPros group — the same holding company that owns cPanel and cloud tools such as WP Toolkit. Product information and downloads are at plesk.com.

The panel is reached in a browser over HTTPS on port 8443 (for example https://server-hostname:8443); port 8880 serves the unencrypted fallback. The full port list is in the Plesk administrator guide. Plesk uses a three-level account model: administrator, resellers, and customers, each with their own panel view and permission set.

Editions and pricing

Plesk is subscription-licensed in three editions, separated mainly by domain count and reseller management. List prices below are the VPS monthly rates published on plesk.com/pricing at the time of writing (yearly billing is discounted about 8%; dedicated-server licenses cost more; prices display in local currency and exclude VAT):

Hosting providers can also resell Plesk through the partner program, which starts at a €250/$250 monthly minimum and discounts licenses in volume. Many VPS and dedicated-server providers bundle a Plesk license into their plans at below list price for the same reason.

Windows Server support: the structural difference from cPanel

Plesk runs on both Linux and Windows Server. cPanel runs on Linux only. For any environment that hosts ASP.NET applications, MSSQL databases, or IIS sites behind a panel, Plesk is the option; there is no Windows edition of cPanel. This is the single largest structural difference between the two products.

Supported operating systems

The current OS matrix for Plesk Obsidian, from the official software requirements page:

On Windows, Plesk requires a static IP configured before installation. On Linux, installation is a one-line installer script run as root on a clean OS; installing on a server that already runs another panel or a hand-configured web stack is unsupported.

Version naming: Obsidian

Since 2019, Plesk has shipped under a single continuously updated release named Plesk Obsidian (internally version 18.x), which replaced the year-numbered Onyx line (17.x). There is no "Plesk 2026" — servers on Obsidian receive rolling updates rather than major-version migrations. Change history per update is published in the Obsidian change log.

Feature tour

• WP Toolkit — WordPress install, clone, stage, mass-update, hardening, and smart update testing. The SE version in Web Admin is limited; Web Pro and Web Host include the full toolkit. Details at plesk.com/wp-toolkit.
• Web stack — nginx in front of Apache on Linux (or nginx alone), IIS on Windows, per-domain PHP version and handler selection, HTTP/2, and free Let's Encrypt certificates with auto-renewal.
• Docker — a catalog of Docker images can be deployed and proxied to domains from the panel (Linux, via the Docker extension).
• Git — per-domain Git repositories with push-to-deploy from local or remote repos (GitHub, GitLab, Bitbucket).
• Mail — Postfix or qmail on Linux, MailEnable or SmarterMail on Windows, with SpamAssassin, DKIM/SPF/DMARC, and webmail (Roundcube).
• DNS — a built-in BIND (or Microsoft DNS) server with per-domain zone templates, plus slave DNS and Amazon Route 53 integration through extensions.
• Databases — MySQL/MariaDB and PostgreSQL on Linux; MSSQL on Windows; phpMyAdmin bundled.
• Backups — scheduled full and incremental backups to local storage, FTP, or cloud targets (S3, Google Drive, Dropbox, Azure) via extensions.

The extensions catalog model

Plesk keeps its core deliberately smaller than cPanel's and moves optional functionality into extensions — an in-panel catalog of roughly 100+ add-ons, some free (Let's Encrypt, Git, Docker) and some paid per month (Imunify360, Sitejet Builder full tier, KernelCare, cloud backup targets). The catalog is browsable at plesk.com/extensions. The practical consequence: a Plesk license quote is a base edition plus whichever paid extensions the workload needs, and two Plesk servers can differ substantially in capability depending on what is installed.

Plesk vs cPanel

Both panels are owned by WebPros, so this is less a rivalry than a segmented product line. The factual differences:

Selection in practice reduces to two questions: does the workload include Windows (if yes, Plesk), and is the server a high-density shared-hosting box in a cPanel-centric business stack such as WHMCS (if yes, cPanel is the incumbent). The cPanel side of this comparison is covered in our cPanel reference; the no-license-fee alternative is covered in our Webmin reference.

FAQ

How much does Plesk cost?

List VPS pricing on plesk.com is €12.04/month for Web Admin (10 domains), €18.29/month for Web Pro (30 domains), and €31.38/month for Web Host (unlimited domains), with about 8% off on yearly billing. Dedicated-server licenses and paid extensions add to that.

Does Plesk run on Windows?

Yes. Plesk Obsidian supports Windows Server 2016 through 2025, including Server Core. cPanel has no Windows version.

What port does Plesk use?

The panel runs on HTTPS port 8443, with 8880 as the unencrypted fallback.

Is Plesk the same company as cPanel?

They are separate products under the same owner: both belong to the WebPros group. Licensing, code, and OS support remain distinct.