ASRock Rack WC422D8A-2T/U Desktop Motherboard — Intel C422 Chipset, Socket R4 LGA-2066, ATX

Engineered for demanding workstation and server workloads, the ASRock Rack WC422D8A-2T/U is a robust ATX motherboard built around the Intel C422 chipset. This board is designed to support Intel Xeon W processors on Socket R4 (LGA-2066) and delivers a dependable foundation for heavy multitasking, virtualization, CAD, data analytics, and content creation. With eight memory slots capable of DDR4 SDRAM up to 512 GB, flexible storage options via eight SATA connectors, and reliable Gigabit Ethernet, this motherboard blends enterprise-grade performance with a compact yet scalable design. It’s an ideal choice for professional builds that require solid reliability, strong memory bandwidth, and expanded storage potential in a single, convenient platform.

• High-capacity memory architecture — Eight DIMM slots accommodate DDR4 SDRAM with a maximum capacity of 512 GB, using DIMM, LRDIMM, or RDIMM modules. This expansive memory configuration is optimized for memory-intensive tasks such as virtualization, large-scale databases, and multi-application workloads, enabling smooth multitasking and responsive performance under heavy load.
• Ample storage and data throughput — Equipped with eight SATA interfaces, the WC422D8A-2T/U provides flexible storage configurations for operating systems, applications, and large data sets. The multiple SATA ports support varied RAID or independent drive setups, allowing you to design a storage strategy that balances capacity, speed, and redundancy to match your workflow.
• Professional-grade processor support — Built around the Intel C422 chipset and designed for Socket R4 (LGA-2066), this motherboard supports Intel Xeon W processors. This pairing delivers dependable performance for demanding computing tasks, improved reliability for 24/7 operation, and a platform tailored for professional workloads that benefit from higher core counts, larger caches, and robust instruction sets.
• Reliable networking and core platform stability — The WC422D8A-2T/U includes Gigabit Ethernet for steady, low-latency network connectivity. Coupled with enterprise-grade components and a design focused on stability, this board is well-suited for workstations and servers that require consistent data access, remote management, and dependable network throughput.
• ATX form factor with scalable design — As an ATX motherboard, it offers a balanced combination of expansion potential and compact footprint, making it suitable for dense workstations, small servers, and rack-friendly systems. The board’s layout is engineered to support a clean, reliable build with clear routing for power delivery, cooling, and peripheral connections, enabling straightforward assembly and maintenance.

Technical Details of ASRock Rack WC422D8A-2T/U

• CPU Socket: Socket R4 (LGA-2066)
• Chipset: Intel C422
• Form Factor: ATX
• Memory: 8 x DIMM slots; DDR4 SDRAM; Maximum 512 GB; Supports DIMM, LRDIMM, RDIMM
• Storage Interfaces: 8 x SATA
• Network: Gigabit Ethernet
• Processor Support: Intel Xeon W processors; Intel Skylake-W platform
• Supported Socket: Single Socket R4 (LGA-2066)

how to install ASRock Rack WC422D8A-2T/U

Installing the ASRock Rack WC422D8A-2T/U in a compatible chassis involves careful preparation and methodical steps to ensure optimal performance and longevity. Begin by confirming CPU and memory compatibility with the Xeon W platform and ensuring you have the correct DDR4 RAM modules (DIMMs, LRDIMM, or RDIMM) sized for your workload. Choose a chassis with adequate airflow to keep the board cool under load, and install the motherboard standoffs at the appropriate points to align with the I/O shield and case cutouts. This process helps prevent shorts and supports stable operation from first power-on.

1) CPU installation: Open the CPU socket mechanism and align the processor correctly with the LGA-2066 socket. Place the Xeon W processor gently into the socket, secure the retention lever, and apply thermal paste if your cooler requires it. Install the CPU cooler securely, ensuring a tight seal for effective heat transfer. Proper cooling is essential for sustained performance and system reliability, especially under heavy workloads.

2) Memory installation: Install memory modules into the eight DIMM slots according to the motherboard’s channel configuration (consult the manual for the recommended population pattern). Start with the primary slots and distribute capacity evenly across channels to maximize bandwidth and stability. Avoid mixed memory types in the same channel group to prevent compatibility issues. Verify that each module is seated firmly and that there are no bent pins or misaligned connectors.

3) I/O and storage connections: Mount the motherboard into the chassis, connect the 24-pin ATX power connector and the appropriate CPU power connector(s) from the power supply. Attach SATA drives to the eight SATA ports, planning a layout that aligns with your OS and data partitions. For systems requiring redundancy or performance, configure RAID settings in the BIOS/UEFI after the initial boot and OS installation.

4) Cable management and airflow: Route power and data cables to minimize obstruction of fans and airflow. Use cable ties or Velcro straps to keep cables tidy and away from heatsinks or fans. Adequate cooling is critical for maintaining processor and memory performance, particularly in workloads that stress memory bandwidth and disk I/O.

5) BIOS/UEFI setup and first boot: Power on and enter the BIOS/UEFI to verify CPU and memory recognition, adjust boot order, and configure storage modes (AHCI/RAID) as needed. Update the firmware to the latest version if available to ensure compatibility with newer Xeon W CPUs and to benefit from bug fixes and performance improvements. After saving changes, install the operating system and drivers required for your server or workstation environment.

6) Post-install validation: Run a basic hardware check to confirm that all memory is detected, all SATA drives are recognized, and the network interfaces are functioning. Perform stress testing and monitoring to ensure stability, temperature, and voltage levels remain within safe thresholds. This approach helps preempt potential issues in production environments and supports long-term reliability.

Frequently asked questions

• What processors are compatible with the ASRock Rack WC422D8A-2T/U? The motherboard is designed to support Intel Xeon W processors on the Socket R4 LGA-2066 platform, leveraging the Intel C422 chipset for enterprise-grade performance and reliability.
• How much RAM can this board handle? It supports up to 512 GB of DDR4 SDRAM across 8 DIMM slots, with module types including DIMM, LRDIMM, and RDIMM to accommodate different server and workstation configurations.
• How many storage drives can I connect? The board provides 8 SATA interfaces, allowing multiple drives for OS, data, and backups. Depending on your RAID configuration, you can design a storage solution that fits performance and capacity needs.
• What is the form factor of this motherboard? The WC422D8A-2T/U is an ATX-form-factor motherboard, offering a balanced footprint with room for expansion while maintaining compatibility with a wide range of cases and cooling solutions.
• Is there onboard network connectivity? Yes, the board includes Gigabit Ethernet for reliable, steady network access suitable for server and workstation use.
• What are the benefits of this motherboard for professional workloads? With a robust Xeon W-supported platform, extensive memory capacity, and multiple SATA storage options, this board is well-suited for virtualization, CAD, data analytics, and other demanding applications that require stable performance, memory bandwidth, and scalable storage.