====== Equipment prerequisites ======
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===== Minimum requirements =====
You can use equipment or virtual machines within the subsystem with the following characteristics:
  - Central Processor Unit (CPU) — 2.5 GHz, 1 pce
  - Random access memory (RAM) —  2 GB min
  - Hard disk drive (HDD) — 50 - 250 GB
  - Operating System — CentOS 8.x, [[en:veos:installation|VEOS]], CentOS Stream 8.x, Oracle Linux Server 8.x, AlmaLinux 8.x 
  - Network interface card (NIC) — 10 Mbps and above

===== Recommended requirements =====
  - Central Processor Unit (CPU) — 2 - 4 cores, 1 pce
  - Random access memory (RAM) — 4 - 8 GB
  - SSD — 100 GB
  - Operating System — CentOS 8.x, [[en:veos:installation|VEOS]], CentOS Stream 8.x, Oracle Linux Server 8.x, AlmaLinux 8.x 
  - Network interface card (NIC) — 10 Mbps and above

<note important>Do not install the subsystem on the same hardware with the DPI! Use a separate virtual machine instead.</note>
<note important>The GUI can synchronize a maximum of 300,000 subscribers with the DPI.</note>