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Server Operating Systems from HAPPYWARE

Discover the perfect selection of server operating systems at HAPPYWARE, tailored to meet your needs – from Windows Server to Red Hat Enterprise Linux, Suse Linux Enterprise Server, CentOS Server, and more.

Server-Betriebssysteme
Microsoft Windows Server

Microsoft Windows Server

Microsoft Windows Server 2025: An OS of the Next Generation.

Microsoft Windows Server
Red Hat Enterprise Linux Server

Red Hat Enterprise Linux

Red Hat Enterprise Linux (RHEL) for enterprise use

Red Hat Enterprise Linux
Suse Linux Enterprise Server

Suse Linux Enterprise Server

Server operating system SUSE Linux Enterprise Server: Ideal for enterprise customers.

Suse Linux Enterprise Server
Cent OS Server Software

CentOS Server

Your perfect Linux server with CentOS operating system, installed by us ready to use.

CentOS Server

Here you'll find Server Operating Systems

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  • Up to 6 years warranty
  • Individual configuration
  • Used Rack Servers
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Windows Server 2025 RDS - License for 5 Device CALs Microsoft Windows Server 2025 RDS Device CAL
  • Microsoft Windows Server 2025 RDS
  • 5 Device-CAL
  • 64-Bit Architecture
  • Language: Multilingual
  • 512 MB, recommended 16GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
  • Basic Azure Sync, TPM 2.0, Secure Boot
From €779.00 *
in stock
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in stock
Windows Server 2025 Standard - License for 5 User CALs UK
  • Microsoft Windows Server 2025 Standard
  • 5 User-CALs
  • 64-Bit Architecture
  • Language: UK English
  • 64-Bit Architecture
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €269.00 *
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Windows Server 2025 Standard - License for 5 Device CALs UK
  • Microsoft Windows Server 2025 Standard
  • 5 Device-CALs
  • 64-Bit Architecture
  • Language: UK English
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €209.00 *
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Windows Server 2025 - Licence for 10 User CALs Microsoft Windows Server 2025 User CALs
  • Microsoft Windows Server 2025
  • 10 User-CALs
  • 64-Bit Architecture
  • Language: Multilingual
  • 512 MB, recommended 32GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €469.00 *
in stock
Details
in stock
Microsoft Windows Server 2025 Standard - License for 24-Core OEM
  • Microsoft Windows Server 2025 Standard
  • Licence for 24 Cores
  • OEM, DVD, 64-Bit
  • Language: German
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €1,569.00 *
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Windows Server 2025 Datacenter - Add-On Licence for 4 cores Microsoft Windows 2025 Data Center Core Add-Ons
  • Microsoft Windows Server 2025 Datacenter
  • Add-On licence for 4 additional cores
  • 64-Bit Architecture
  • Language: German
  • Core-based
  • 512 MB, recommended 16GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €1,469.00 *
very few qty in stock
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Windows Server 2025 Datacenter - Add-On Licence for 16 cores Microsoft Windows 2025 Data Center Core Add-Ons
  • Microsoft Windows Server 2025 Datacenter
  • Add-On licence for 16 additional cores
  • 64-Bit Architecture
  • Language: German
  • Core-based
  • 512 MB, recommended 16GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €5,819.00 *
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Windows Server 2025 Standard - Add-On Licence for 16 Cores
  • Microsoft Windows Server 2025 Standard
  • Add-On licence for 16 additional cores
  • 64-Bit Architecture
  • Language: German
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €1,139.00 *
very few qty in stock
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Windows Server 2025 Standard - Add-On Licence for 4 Cores Microsoft Windows Server 2025 Standard Core Add-on
  • Microsoft Windows Server 2025 Standard
  • Add-On licence for 4 additional cores
  • 64-Bit Architecture
  • Language: German
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €309.00 *
very few qty in stock
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very few qty in stock
Windows Server 2025 Datacenter - License for 24 Cores OEM
  • Microsoft Windows Server 2025 Datacenter
  • Licence for 24 Cores
  • OEM, DVD, 64-Bit
  • Language: German
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €8,729.00 *
very few qty in stock
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very few qty in stock
Windows Server 2025 Standard - Add-On Licence for 2 Cores Microsoft Windows Server 2025 Standard Core Add-on
  • Microsoft Windows Server 2025 Standard
  • Add-On licence for 2 additional cores
  • 64-Bit Architecture
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €139.00 *
very few qty in stock
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very few qty in stock
Windows Server 2025 Standard - Add-On Licence for 2 Cores Microsoft Windows Server 2025 Standard Core Add-on
  • Microsoft Windows Server 2025 Standard
  • Add-On licence for 2 additional cores
  • 64-Bit Architecture
  • Language: German
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €159.00 *
very few qty in stock
Details
long delivery time
Windows Server 2025 Standard - License for 1 Device CAL UK
  • Microsoft Windows Server 2025 Standard
  • 1 Device-CAL
  • 64-Bit Architecture
  • Language: UK English
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €46.00 *
long delivery time
Details
long delivery time
Microsoft Windows Server 2025 Standard - License for 1 User CAL
  • Microsoft Windows Server 2025
  • 1 User-CAL
  • 64-Bit Architecture
  • Language: UK English
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €58.00 *
long delivery time
Details
long delivery time
Windows Server 2025 Standard - Add-On Licence for 2 Cores Microsoft Windows Server 2025 Standard Core Add-on
  • Microsoft Windows Server 2025 Standard
  • Add-On licence for 2 additional cores
  • 64-Bit Architecture
  • Language: UK English
  • Core-based
  • 512 MB, recommended 4GB RAM
  • 1.4 GHz Min Processor, 32GB of available disk storage
From €159.00 *
long delivery time
Details
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