Server barebone ASRock 2U1G-B650 rack 2U, AMD B650 chipset, LGA 1718, 2×2,5-inch bays, 1000W-voeding, DDR5, Aspeed AST2600, 5×USB-A, Gigabit Ethernet

ASRock 2U1G-B650 is a 2U rack server barebone designed for data center and edge deployments that require a compact, serviceable platform based on the AMD B650 chipset and LGA 1718 socket. The chassis accepts a single compatible AMD processor and up to four DDR5 DIMMs, offers two 2.5" drive bays plus M.2 support for storage expansion, integrates Aspeed AST2600 remote-management graphics, and provides Gigabit Ethernet connectivity and multiple USB Type-A ports. The system includes a 1000 W power supply and a silver rack-friendly enclosure suitable for dense server racks.

Advantages

The barebone balances performance and manageability with a mainstream AMD B650 platform, support for DDR5 memory, and on-board Aspeed AST2600 for remote console access. Compact 2U form factor and two 2.5" bays allow straightforward storage configuration while M.2 slots enable high-speed NVMe additions. Dual Gigabit Ethernet ports and five USB 3.2 Gen 1 Type-A ports provide flexible connectivity for networking and peripherals. A 1000 W power supply supports a variety of processor and drive configurations while the chassis design facilitates rack mounting and serviceability.

Suitable for

• General-purpose rack servers for web, application, or file services
• Edge computing nodes where compact 2U size and remote management are required
• Virtualization hosts for small-scale VM deployments
• Storage-focused builds using 2.5" drives and M.2 SSDs

Key specifications

• Form factor: 2U rack chassis
• Chipset: AMD B650
• CPU socket: LGA 1718 (single-socket support)
• Memory: 4 DIMM slots, DDR5 support (1.1 V), ECC/non-ECC UDIMM compatible
• Drive bays: 2× 2.5" fixed bays plus 2 M.2 slots for NVMe/SATA storage
• Expansion: 1 full-height, full-length PCIe 5.0 x16 slot; 1 low-profile PCIe 4.0 x4 slot
• On-board graphics/remote management: Aspeed AST2600
• Network: 2× RJ45 Gigabit Ethernet (Intel i210)
• Front I/O: 5× USB 3.2 Gen 1 Type-A ports
• Power supply: 1000 W
• Chassis color: Silver

How to use

Install a compatible LGA 1718 AMD processor and populate DDR5 DIMMs across the available slots according to the motherboard memory population guidelines. Fit 2.5" drives into the provided bays and add M.2 SSDs on the onboard connectors if additional storage performance or capacity is required. Connect network cables to the RJ45 ports and attach peripherals to the USB Type-A ports for initial setup. Use the integrated Aspeed AST2600 and IPMI-compatible remote management features to perform BIOS configuration, firmware updates, and headless system maintenance. Ensure the 1000 W PSU is connected to appropriate rack power distribution and that airflow is unobstructed in the 2U rack enclosure.

Recommendations

For balanced performance, use DDR5 UDIMMs that match capacity and speed across channels and choose NVMe M.2 storage for the operating system while reserving the 2.5" bays for larger-capacity SSDs or enterprise HDDs. Maintain adequate front-to-back airflow in the rack and monitor PSU load when populating high-power processors and multiple drives. Use IPMI access for remote troubleshooting and firmware management to minimize on-site intervention.