| Component | Requirement | | :--- | :--- | | | Gigabit Ethernet (1000 Mbps) | | For cloud licensing | Stable internet connection (10 Mbps+ download, 5 Mbps+ upload) | | Firewall ports | TCP ports 27000–27009 (FlexNet licensing) |
High-End Use: 64 GB RAM (essential for heavy 3D rendering and large-scale marker making). Graphics Card (GPU) Optitex 21 System Requirements-
Note: Optitex 21 is a 64-bit only application. It does not support 32-bit operating systems. | Component | Requirement | | :--- |
| Component | Minimum Requirement | Recommended Requirement | | :--- | :--- | :--- | | | Windows 10 Pro (64-bit) Version 20H2 | Windows 11 Pro (64-bit) | | Server | Windows Server 2019 (for license server) | Windows Server 2022 | | Unsupported | Windows 7, Windows 8, Windows 10 Home, macOS (without Boot Camp) | — | | Component | Minimum Requirement | Recommended Requirement
October 2025 (Specifications subject to change with Optitex 21 service packs; refer to EFI’s official documentation for real-time updates).