Industry-leading memory capability

With 16 RAM slots that support up to 2TB of fast, DDR4-2666MHz 3DS ECC RDIMMs or LRDIMMs, ASUS RS520-E9-RS12-E delivers industry-leading memory capability for your business.


The best storage interface combination for software-defined storage management

12 x 3.5" / 2.5’’ hot-swap storage bays (supports 4 x 2.5’’ NVMe or SAS or SATA devices)


Optimized storage with hot-swap bays and dual M.2

ASUS RS520-E9-RS12-E features two additional 2.5" hot-swap storage bays on its back panel and dual onboard M.2 slots that can be used for the main system disk as well as for memory caching. The dual M.2 SSDs can be configured as PCI-E RAID with Intel® VROC to speed up storage caching.


Powered by the latest 2nd Gen Intel Xeon Scalable processors

RS520-E9-RS12-E is built on the latest 2nd Gen Intel Xeon Scalable processors to deliver incredible 2U server performance, packing incredible power into minimal space. RS520-E9-RS12-E offers breakthrough performance with the latest Intel Optane™ DC persistent memory with an over 88% gain in input/output operations per second (IOPS) compared with the same configuration in SSD. Featuring the latest Intel Deep Learning Boost technology to enhance deep learning capabilities, RS520-E9-RS12-E achieves a 3.1X performance improvement in the ResNet-50 and SSD VGG-16 models, fully demonstrating the inference capability of the new platform.


Smart thermal design for energy efficiency

ASUS RS520-E9-RS12-E features a smart Thermal Radar and Auto Fan Control design with more ambient thermal sensors for the CPU, memory, GPU and front-panel board that provide improved temperature monitoring and enable dynamic fan speed adjustment for better power efficiency.


Comprehensive IT infrastructure management solution

The latest ASMB9-iKVM module enables remote BIOS updates, fans control, standalone KVM/Java utilities, video recording and BSOD capture. With out-of-band management, ASMB9-iKVM provides around-the-clock remote monitoring and diagnostics — even if the server operating system is down or offline — through a user-friendly, web-based graphical interface that works with all major browsers. ASUS Control Center (ACC) is a centralized and integrated IT management platform for monitoring and controlling ASUS commercial products, including servers, workstations and digital signage. ACC enables easier server management with functions such as BIOS updating without restarting the system, remote monitoring of multiple systems via mobile devices, and one-click software updates and dispatching. Learn more about ACC


Rack-optimized thermal performance

With the CPU and memory configured in a front parallel design that enables efficient airflow for excellent thermal performance, ASUS RS520-E9-RS12-E is optimized for rack placement.


Flexibility to grow with your business

ASUS RS520-E9-RS12-E comes with a wide range of ports to provide a flexible and cost-effective computing environment with the ability to grow together with your business. RS520-E9-RS12-E features:

  • A rack-optimized design
  • 12 x 3.5” Hot-swap HDD bays (4x NVMe Supported)
  • 6 PCIe + 1 OCP expansion slots in a 2U rack unit
  • OCP 2.0 Mezzanine
  • Dual M.2 support