Server barebone ASRock 2U12L2S-SIENA (2U) — AMD SoC, Socket SP6, 12×3.5 inch + 2×2.5 inch bays, 800W PSU, DDR5 up to 96GB

ASRock 2U12L2S-SIENA is a 2U rackmount server barebone featuring an AMD SoC motherboard with Socket SP6 for compatible AMD EPYC™ 8004 series processors. The chassis provides twelve hot-swap 3.5" drive bays plus two hot-swap 2.5" bays, eight DIMM slots supporting DDR5 RDIMM up to 96 GB, integrated Aspeed AST2600 graphics, two Intel i210 1GbE LAN ports, UEFI AMI BIOS (256 Mbit) and an 800 W power supply. Front I/O includes two USB 3.2 Gen1 Type-A ports. The system is designed for storage-dense, rack-mounted deployments and enterprise applications.

Advantages

The barebone combines high drive density with a compact 2U rack form factor, enabling up to 14 hot-swappable drives in a single chassis. Support for Socket SP6 and AMD EPYC™ 8004 series processors provides server-grade compute options while eight DDR5 RDIMM slots allow for higher memory bandwidth and capacity up to 96 GB. Integrated management and networking—Aspeed AST2600 and Intel i210—plus a UEFI AMI BIOS and an 800 W PSU make the unit ready for typical data-center operations.

Suitable for

• Storage-dense applications such as file servers and backup appliances
• Rack-mounted enterprise services requiring multiple hot-swap drives
• Small to medium virtualization hosts with moderate memory requirements (up to 96 GB DDR5)
• Edge or branch deployments needing compact 2U servers with local storage

When it may not be suitable

This barebone is not intended for workloads that require more than 96 GB of RAM or large multi-socket CPU configurations; it supports a single SP6 socket and eight DIMM slots. High-performance networking beyond dual 1GbE (for example 10GbE or multiple high-speed NICs) will require additional NICs via available PCIe slots. Extremely CPU- or memory-intensive enterprise workloads may exceed the platform's limits.

Key specifications

• Form factor: 2U rackmount chassis
• CPU socket: Single SP6 (supports AMD EPYC™ 8004 series processors)
• Memory: 8 DIMM slots, DDR5 RDIMM support, up to 96 GB total
• Drive bays: 12 hot-swap 3.5" SATA bays and 2 hot-swap 2.5" SATA bays (7 mm supported)
• Storage interfaces: 2 M.2 (PCIe5.0 x4) slots
• Expansion: 2 HHHL PCIe5.0 x16 slots
• LAN: 2 × 1GbE (Intel i210)
• Remote management: IPMI with Aspeed AST2600 onboard graphics
• BIOS: UEFI AMI (256 Mbit)
• Power: 800 W PSU (1+1 capable, 80 PLUS Platinum/Titanium compatible)

How to use

Install a compatible AMD EPYC™ 8004 series processor into the SP6 socket, populate up to eight DDR5 RDIMM modules according to the motherboard's dual- or single-DIMM-per-channel guidance, and mount the server in a 2U rack. Insert storage drives into the hot-swap bays and connect necessary network and management cables. Configure BIOS/UEFI settings and IPMI for remote management, then install the chosen operating system and storage/network drivers. Use the available PCIe slots to add additional NICs or accelerators if required.

What to consider before purchase

• Confirm required CPU model is compatible with Socket SP6 and supported EPYC™ series
• Verify memory capacity and module type (DDR5 RDIMM) to meet workload needs and platform limits (max 96 GB)
• Plan networking needs—onboard provides dual 1GbE; additional high-speed NICs require PCIe expansion
• Ensure drive types and RAID/controller options meet storage performance and redundancy requirements
• Check rack space, power availability and cooling for a 2U server with an 800 W PSU

Recommendations

For storage-focused deployments, populate the 3.5" bays with enterprise-class SATA drives and use the M.2 slots for OS or cache devices. Enable IPMI remote management and keep BIOS firmware current to ensure stability. If higher network throughput is required, add PCIe NICs supporting 10GbE or greater.