Description
The ASUS RS521A-E12-RS24U-2KWT is a high-performance 2U rack server powered by a single AMD EPYC™ 9005 or 9004 Series processor, engineered for enterprise data centers, storage management, and compute-intensive workloads. Designed with a front-parallel CPU and memory layout, it ensures optimized airflow and thermal efficiency for rack deployment.
This server supports 24 DDR5 DIMM slots for up to 3TB of memory, providing exceptional scalability for demanding enterprise and cloud environments. With up to 24 x 2.5" U.2/U.3 NVMe hot-swap drive bays and dual rear SATA bays, it delivers flexible and high-throughput storage options.
Featuring PCIe 5.0 expansion slots and an OCP 3.0 mezzanine, the RS521A-E12-RS24U offers robust expansion for GPUs, networking, and storage controllers. Integrated ASMB11-iKVM and ASUS Control Center (Classic) provide centralized, real-time management and monitoring for IT administrators.
Powered by dual redundant 2000W Titanium power supplies, this rack-optimized platform is built for reliability, efficiency, and scalability—ideal for data center, virtualization, and AI-accelerated applications.
| Category | Specification |
|---|---|
| Model | ASUS RS521A-E12-RS24U-2KWT |
| Form Factor | 2U Rackmount Server |
| Processor Support | 1 x AMD EPYC™ 9005 / 9004 Series Processor (Socket SP5, up to 360W TDP) |
| Chipset | System-on-Chip (SoC) |
| Memory Slots | 24 x DDR5 DIMM (12-channel, 2 DIMM per channel) |
| Memory Type | DDR5 6400/5600 RDIMM / 3DS RDIMM |
| Maximum Memory Capacity | Up to 3,072 GB |
| Storage Bays (Front) | 24 x 2.5” hot-swap bays (U.2/U.3 NVMe or 16 NVMe + 8 SATA/SAS) |
| Storage Bays (Rear) | 2 x 2.5” hot-swap bays (SATA III) |
| M.2 Slots | 2 x M.2 22110 (PCIe Gen4 x4 or SATA mode) |
| Expansion Slots | Up to 5 x PCIe Gen5 + 1 x OCP 3.0 (Gen5 x16) |
| GPU Support | Up to 4 single-slot or 2 double-slot GPUs (not supported with 24 NVMe configuration) |
| Networking | 2 x 1GbE RJ-45 (Intel® I350-AM2), 1 x Dedicated Management Port, Optional 2 x 10GbE OCP |
| Graphics | ASPEED AST2600 (64 MB) |
| Front I/O Ports | 2 x USB 3.2 Gen1 ports |
| Rear I/O Ports | 2 x USB 3.2 Gen1, 2 x RJ-45 LAN, 1 x RJ-45 Mgmt LAN, 1 x VGA |
| Management | ASMB11-iKVM (KVM-over-IP), ASUS Control Center (Classic) |
| Power Supply | 1+1 Redundant 2000W Titanium PSU |
| Cooling | 4 x Optional Redundant Fans |
| Dimensions (W x D x H) | 449 x 840 x 88.1 mm (17.68" x 33.07" x 3.47") |
| Net Weight | 19.14 kg |
| Operating Temperature | 10°C ~ 35°C |
| Operating Humidity | 20% – 90% (non-condensing) |
| Target Applications | Data Center, Enterprise Storage, AI/ML, Virtualization |
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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