ASRock Rack RM138-C622LM/4L Barebone System - 1U Rack-mountable - Socket P LGA-3647 - 2 x Processor Support

The ASRock Rack RM138-C622LM/4L is a premium, enterprise-grade barebone server designed for dense data centers and demanding workloads. Built around the Intel C622 chipset and capable of accepting two LGA-3647 Xeon processors, this 1U rack-mountable system delivers robust performance, scalable memory, and flexible storage to support virtualization, databases, HPC, and AI workloads. With four hot-swap 3.5" drive bays, a versatile memory architecture, and dependable management features, it’s engineered to keep critical services running smoothly while offering room to grow as your business expands.

• Dual-processor power for heavy workloads: Supports two LGA-3647 Xeon processors and is built on the Intel C622 chipset, delivering the computational heft required for virtualization, database applications, and multi-VM environments. The dual-socket architecture enables thread-parallel performance, large cache benefits, and improved overall throughput for demanding enterprise tasks.
• Massive memory capacity with fast DDR4 support: Features a total of 24 DIMM slots, enabling substantial memory footprints to accelerate in-memory databases, large-scale virtualization, and scientific computing. The system supports DDR4-2933 memory (PC4-23466), giving you higher bandwidth and efficiency for memory-intensive workloads with ECC reliability for data integrity.
• Flexible storage configuration for data throughput and resilience: Equipped with four 3.5" bays for hot-swappable drives, allowing rapid upgrades, easy maintenance, and RAID configurations that suit demanding I/O workloads. This setup is ideal for balancing operating system, application data, and fast scratch storage within a compact 1U footprint.
• Built-in management and console options for remote operation: The RM138-C622LM/4L leverages enterprise-grade management features and compatible graphics/controller support (ASPEED AST2500) to enable remote management, out-of-band access, and smooth console operations. This ensures administrators can monitor health, configure BIOS/RAID, and troubleshoot without a direct on-site presence, maximizing uptime.
• Compact 1U form factor with enterprise reliability: Designed for dense data centers and rack installations, the 1U height, sturdy chassis, and scalable features deliver a balance of performance, airflow, and accessibility. The barebone design lets you tailor CPU, memory, and storage configurations to your exact requirements while maintaining consistency with server-grade reliability and serviceability.

Technical Details of ASRock Rack RM138-C622LM/4L Barebone System

• Form factor: 1U rack-mountable barebone system optimized for data center racks and dense deployments.
• Processor support: Dual LGA-3647 sockets compatible with Intel Xeon scalable processors (two-socket capable). This configuration is ideal for workloads that benefit from parallel processing, virtualization density, and larger memory footprints.
• Chipset: Intel C622 chipset, designed to enable high-core-count processors, flexible PCIe layouts, and robust I/O capabilities for enterprise environments.
• Memory: DDR4 SDRAM with a total of 24 DIMM slots. Supports DDR4-2933 (PC4-23466) memory modules, delivering strong bandwidth for memory-intensive applications and efficient data throughput with ECC for data integrity.
• Maximum RAM support: Up to the combined capacity of the 24 DIMMs, enabling expansive memory configurations suitable for virtualization, large databases, and in-memory computing scenarios.
• Drive bays: Four 3.5" drive bays for hot-swappable storage, facilitating straightforward maintenance and flexible RAID configurations to balance performance and redundancy.
• Graphics / management: Built-in ASPEED AST2500-based graphics and management controller to provide console access, remote management, and out-of-band capabilities for efficient administration.
• Network: RJ-45 network connectivity options support standard Ethernet networking for dependable data transfer, management access, and integration into existing network fabrics.
• Product category: Barebone server system designed to be customized with CPUs, memory, and drives to meet specific enterprise workloads and performance goals.

How to install ASRock Rack RM138-C622LM/4L

• Prepare the chassis and environment: Ensure you have a compatible rack space, proper cooling, and adequate power supply. Confirm the rack rails are correctly installed for a secure 1U deployment.
• Install CPUs: Insert two Intel Xeon processors into the LGA-3647 sockets according to the motherboard manual, aligning pins and applying even seating pressure. Secure cooling solutions as specified by the processor and chassis guidelines.
• Memory deployment: Populate the 24 DDR4 DIMM slots in recommended channel configurations to maximize memory bandwidth and throughput. Use ECC DDR4 modules that meet the supported speed (DDR4-2933) and capacity requirements for your workloads.
• Storage installation: Mount up to four 3.5" drives into the hot-swappable bays. Connect SATA/SAS cables and configure any RAID controllers or storage controllers present in the system, aligning with your data protection strategy.
• Power, management, and boot: Connect the system to a reliable power source and network. Use the ASPEED AST2500-based management interface for initial BIOS configuration, IPMI settings, and RAID configuration. Boot to the OS installer or barebone deployment image and proceed with your standard server setup (BIOS/RAID settings, virtualization capabilities, and security policies).

Frequently asked questions

• What processors are compatible with the RM138-C622LM/4L? The system is designed to support two Intel Xeon scalable processors on LGA-3647 sockets. For optimal results, choose processors that fit your performance and power targets, and verify compatibility with the Intel C622 chipset and your memory configuration.
• How much memory can I install? The RM138-C622LM/4L provides 24 DIMM slots, supporting DDR4 memory at up to DDR4-2933 (PC4-23466). Depending on the CPU model and memory configuration, you can achieve substantial RAM capacity suitable for virtualization, databases, and large-scale workloads.
• Is the storage hot-swappable? Yes. The system includes four 3.5" drive bays that are hot-swappable, enabling easier maintenance and faster drive replacements without powering down the server. Configure the drives with appropriate RAID settings to meet performance and redundancy requirements.
• What management features are available? The RM138-C622LM/4L integrates an ASPEED AST2500-based management controller, enabling remote console access, out-of-band management, and streamlined administration. This helps IT teams monitor health, update firmware, and manage BIOS/RAID configurations from a remote location.
• What workloads is this barebone suitable for? The dual Xeon, substantial memory capacity, and flexible storage make it a strong fit for virtualization platforms (such as multiple VMs or containers), database servers, high-performance computing nodes, and enterprise applications requiring reliable, scalable, and maintainable infrastructure in a compact 1U form factor.