ASRock Rack ALTRAD8UD-1L2T  User Manual

The ASRock Rack ALTRAD8UD-1L2T is a Deep Micro-ATX server motherboard designed to support single socket configurations with the LGA 4926 socket, specifically tailored for Ampere Altra and Ampere Altra Max processors. This motherboard is engineered for high-performance computing environments, making it suitable for various applications such as virtualization, cloud computing, and data-intensive tasks.

Key Features:

• Form Factor: The motherboard has a Deep Micro-ATX form factor measuring 9.6” x 10.5”, allowing it to fit into compact server chassis while providing ample connectivity options.
• Processor Support: It supports single socket configurations for both Ampere Altra and Altra Max processors, which are known for their energy efficiency and high core counts.
• Memory Capacity: The ALTRAD8UD-1L2T features 8 DIMM slots that support DDR4 memory types including RDIMM and LRDIMM, accommodating a wide range of memory configurations to enhance performance.
• Expansion Slots: The motherboard includes four PCIe 4.0 x16 slots, enabling users to install multiple expansion cards such as GPUs or additional network interfaces. Additionally, it supports four SlimSAS (PCIe 4.0 x8) connections and two OCuLink (PCIe 4.0 x4) connections for further expandability.
• Storage Options: There are two M.2 slots available that also utilize PCIe 4.0 x4 lanes, allowing for fast NVMe storage solutions.
• Networking Capabilities: The board provides dual RJ45 ports supporting 10GbE via Intel® X550 controllers and an additional RJ45 port supporting 1GbE through an Intel® i210 controller, ensuring robust networking performance.
• Remote Management: It includes IPMI (Intelligent Platform Management Interface) support for remote management capabilities, which is essential in server environments for monitoring and maintenance.
• Power Supply Compatibility: The ALTRAD8UD-1L2T can be powered using either an ATX power supply or a direct 12V DC input, providing flexibility in power management setups.

Cooling Solutions: The motherboard is compatible with various cooling solutions including air coolers like the Noctua NH-D9 AMP-4926 designed specifically for the Ampere Altra platform. This compatibility ensures efficient thermal management in high-performance scenarios.

Performance Insights: In testing scenarios with the Noctua cooler combined with the Ampere Altra Max CPU, the performance metrics were comparable to pre-built server platforms with custom motherboards, indicating that this board can deliver competitive performance in self-built systems.

Market Positioning: The ASRock Rack ALTRAD8UD-1L2T stands out as a viable option for developers looking to build ARM-based servers without relying on proprietary systems or SBCs (Single Board Computers). Its design caters specifically to those who require a standards-compliant platform that allows customization according to specific needs.

Overall, the ASRock Rack ALTRAD8UD-1L2T represents a significant advancement in DIY server technology by providing flexibility and performance at a competitive price point.