We have given the information to Build your Own Thin Client server as per your requirement

Below are the Parts which play crucial role in build Thin Client Server for performance

CPU,
RAM,
SSD : (OS and all the applications will be installed in ssd, So you get Quick response)
Graphics card : instead of burdening the cpu on graphic part | we add graphics card extra, so CPU can handle processing work & Graphics card can handle Graphics part

Hard disk can be added as per your data storage requirements
All this are approx. server configuration we have given as per the regular usage..
You can add any standard brand for above given configuration of ram, ssd and graphics (but don’t go for cheap brand and products)
you need to check the task manager when thin clients systems are live, if there is a bottleneck in ram or Cpu, you need to add the resource to server as per the requirement
Its our suggestion not to buy Used servers when your planning thin client solution for Office, corporate sector, because most of the used servers have already lost there efficiency, before the server comes to your hand, most of the used servers got fully rip-off from corporate usages..

Upto : 15 thin clients
Processor: Intel core i3 CPU | 16 GB Ram | 120 GB SSD

Upto : 25 thin clients
Processor: Intel core i5 CPU | 32 GB Ram | 120 GB SSD

Upto : 40 thin clients
Processor: Intel core i7F CPU/ AMD Ryzen / Intel Xeon cpu | 48 GB Ram | 256 GB NVME SSD | 2 GB Graphics card

Upto : 60 thin clients
Processor: Intel core i9F CPU | 64 GB Ram | 256 GB NVME SSD | 2 GB Graphics card

Upto : 100 Thin clients
Processor: Intel Xeon server with dual Processor | 128 GB Ram | 256 GB NVME SSD | 2 GB Graphics card | Dual Lan

Build your Own thin client server