Servers

A server is a computer program or a device that provides functionality for other programs or devices, called "clients". This architecture is called the client–server model, and a single overall computation is distributed across multiple processes or devices. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients, or performing computation for a client. A single server can serve multiple clients, and a single client can use multiple servers. A client process may run on the same device or may connect over a network to a server on a different device. Typical servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.

Client–server systems are today most frequently implemented by (and often identified with) the request–response model: a client sends a request to the server, which performs some action and sends a response back to the client, typically with a result or acknowledgement. Designating a computer as "server-class hardware" implies that it is specialized for running servers on it. This often implies that it is more powerful and reliable than standard personal computers, but alternatively, large computing clusters may be composed of many relatively simple, replaceable server components.

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Microsoft Windows Server 2025 Standard - Licence - 16 cores - ROK - Multilingual - for ThinkSystem SR250 V3, SR630 V3, SR650 V3, ST250 V3, ST50 V3

Lenovo ThinkSystem SR630 V4 7DG9 - Server - rack-mountable 1U - 2-way - 1 x Xeon 6515P / up to 3.8 GHz - RAM 32 GB - hot-swap 2.5" bay(s) - no HDD - A

Lenovo ThinkSystem SR650 V4 7DGD - Server - rack-mountable 2U - 2-way - 1 x Xeon 6505P / up to 4.1 GHz - RAM 32 GB - no HDD - no OS - monitor: none

Lenovo ThinkSystem ST250 V3 7DCE - Server - tower 4U - 1-way - 1 x Xeon 6353P / up to 5.4 GHz - RAM 32 GB - hot-swap 2.5" bay(s) - no HDD - Matrox G20

Microsoft Windows Server 2025 - Licence - 10 user CALs - for ThinkSystem SR250 V3, SR630 V3, SR650 V3, ST250 V3, ST50 V3

Microsoft Windows Server 2025 - Licence - 5 user CALs - for ThinkSystem SR250 V3, SR630 V3, SR650 V3, ST250 V3, ST50 V3

Microsoft Windows Server 2025 Essentials - Licence - 10 cores - ROK - Multilingual - for ThinkSystem SR250 V3, SR630 V3, SR650 V3, ST250 V3, ST50 V3

Microsoft Windows Server 2022 - Licence - 10 user CALs - for ThinkSystem SR250 V2, SR630 V2, SR645, SR650 V2, SR665, ST250 V2, ST50, ST50 V2, ST650 V2

Lenovo ThinkSystem SR630 V4 7DG9 - Server - rack-mountable 1U - 2-way - 1 x Xeon 6505P / up to 4.1 GHz - RAM 32 GB - no HDD - AST2600 - no OS - monito

Lenovo ThinkSystem SR250 V3 7DCL - Server - rack-mountable 1U - 1-way - 1 x Xeon 6353P / up to 5.4 GHz - RAM 32 GB - hot-swap 2.5" bay(s) - no HDD - M

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