The ASRock Barebone NUC Box 4x4 BOX-8640U/EU/AI is a compact computer solution designed for professional and enthusiast applications that require reliable performance in space-constrained environments. This barebone system features the AMD Ryzen 7 8640U processor with integrated Radeon graphics, providing efficient processing power for office applications, multimedia tasks, and light creative work. The system supports up to 64 GB of DDR5 RAM in two SO-DIMM slots and accommodates M.2 2280 PCIe Gen4 NVMe SSDs for fast storage, along with an additional 2.5-inch SATA bay for expanded storage options. With dimensions of approximately 11.0 cm x 11.7 cm x 4.9 cm, this ultra-compact form factor is ideal for digital signage, kiosk systems, home theater PCs, or as a discreet office workstation. Connectivity options include two HDMI 2.1 ports with 4K resolution at 60 Hz, two USB 3.2 Gen2 Type-A ports, two USB 2.0 ports, a USB4 Type-C port with DisplayPort Alt Mode, and 2.5 GbE LAN for high-speed networking. Wireless capabilities include Wi-Fi 6E and Bluetooth 5.3 to meet modern wireless requirements. The aluminum chassis ensures effective heat dissipation while maintaining a minimalist design. This barebone system requires separate purchases of memory, storage, and operating system for a complete setup. The included 120 W power supply ensures stable operation under typical usage scenarios. With its balanced combination of computing power, connectivity options, and compact dimensions, this system provides a versatile foundation for custom computer solutions where space efficiency and reliable performance are prioritized.