| Feature | AST2400 (Legacy) | AST2500 (Current Workhorse) | AST2600 (Next-Gen) | | :--- | :--- | :--- | :--- | | | ARM9 (384 MHz) | ARM11 (800 MHz) | Dual-core ARM Cortex-A35 (1.2 GHz) | | DRAM | DDR2/DDR3 (512MB) | DDR3/DDR4 (2GB, ECC) | DDR4 (8GB, ECC) | | Video Encoding | VESA compression | AVE (H.264) | Advanced 2D engine, 4K support | | PCIe | PCIe Gen1 x1 | PCIe Gen2 x1 | PCIe Gen3 x2 | | Security | Basic OTP | Secure Boot, crypto accel | ARM TrustZone, OCP 3.0 security | | Process | 40nm | 28nm | 16nm |
: Optimized for low-power standby operation. Conclusion
: Includes a USB 2.0 virtual hub controller that can emulate up to 5 devices (e.g., keyboard, mouse, and storage redirection for OS installation). Key Interfaces and Connectivity