PCIe 5.0 Ready

Faster storage, graphics and networking capabilities

PCI Express® (PCIe®) 5.0 delivers 32GT/s bandwidth, which is twice the speed of PCIe 4.0, and offers lower power consumption, better land scalability and backwards compatibility. ASUS servers are PCIe 5.0 ready with scalability design to satisfy the increasing workloads for modern data center.

System Layout System Layout

12 x PCIe Gen5 x16, FHFL

21 x OCP 3.0 (Gen5 x 16)

31 x PCIe Gen5 x8, LP

42 x PCIe Gen5 x16, FHFL

52 x Rear bay support SATAIII

62 x M.2

71 x AMD EPYC 9004 CPU,
up to 400W

824 x DDR5 DIMM slots*

94 x redundant Fans (optional)

1012 x 2.5”/3.5” hot-swap drive bays

* SAS support only from optional SAS HBA/RAID card.




*SAS support only from optional SAS HBA/RAID card

The layout overview of server rear panel The layout overview of server rear panel

11 x PCIe x16 slot, FHFL (Gen5 x8 or x16 link)

21 x PCIe x16 slot, FHFL (Gen5 x8 or x0 link)

31 x OCP3.0 slot (Gen5 x16 link)

41 x PCIe x16 slot, LP (Gen5 x8 link)

52 x GbE LAN ports

61 x Management port

71 x PCIe x 16slot, LP (Gen5 x8 link)

81 x PCIe x16 slot, FHFL (Gen5 x8 or x16 link)*

91 x VGA

101 x Q code

112 x USB3.2 Gen1

1+1 1200W/1600W 80 PLUS Platinum RPSU
1+1 1600W 80 PLUS Titanium RPSU

RS520A-E12-RS12U MB Block Diagram

AMD EPYC™ 9004 Series Processors

The 9004 Series EPYC CPUs amplifies the AMD history of x86 architecture innovations and record-breaking performance with next generation 5nm technology as well as introducing support for high performant DDR5 DIMMs and fast PCIe® Gen 5 I/O. EPYC 9004 CPUs support 12 memory channels with 2 DIMMs/channel capability, delivering the resources needed for memory hungry AI, ML, HPC, and large in-memory computations.

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* CPU performance vary by models, please refer to the specification table on product page.

Up to

1.152 GB

L3 Cache

with AMD 3D V-Cache technology

Up to

128 cores

on Zen 4c


PCIe5 lanes in a 1 socket server

World Records Leadership

ASUS holds the most amount of records in dual-socket (2P) and single-socket (1P) on SPEC CPU 2017 benchmark and dominate the computing performance. These top performance results provide a useful insight into compute-intensive workloads on different computer systems, enabling our customers to reduce complexity, tackle challenging workloads and accelerate system validations.

ASUS servers feature Performance Boost technology to achieve the best server performance and agility by tuning servers to match the requirements of workloads, letting you gain greater control of your server environment. This technology improves workload throughput by maximizing processor frequency and boost power, ideal for timesensitive applications such as financial services or data center operations.

Core Optimizer icon

Core Optimizer

Maximizes the processor frequency in multi-core operations, avoiding frequency shifting for reduced latency.

Engine Boost icon

Engine Boost

Automatic power acceleration with an innovative voltage design to increase server overall performance.

Workload Presets icon

Workload Presets

Preconfigured BIOS server profiles based on workloads and benchmarks for improved performance and efficiency.

* SPEC is a corporation formed to establish and endorse standardized benchmarks and tools to evaluate performance and energy efficiency of computer systems.

ASUS select servers achieved most power efficiency positions on the SPEC Power benchmark for energy efficiency and demonstrate to customers how they can achieve faster deployments and higher energy efficiency for their IT infrastructure.

ASUS Power Balancer icon

ASUS Power Balancer

Adjust overall loading automatically based on real-time monitoring to decrease overall power consumption for Improved efficiency and cost/performance optimization.

Thermal Radar 2.0 icon

Thermal Radar 2.0

Features intelligent fan-curve adjustments to fit the real-time server usage patterns and lower fan power consumption.

Scalable Storage Solution

This server features scalable storage solutions to support maximum performance for data center flexibility, and enable industry-standard SAS/SATA/NVMe interfacing through Broadcom Tri-Mode RAID adapters for increased connectivity and security.


24 x NVMe
16 x NVMe + 8 x SATA/SAS (from RAID card)
12 x NVMe + 12 x SATA/SAS
8 x NVMe + 16 x SATA/SAS



* The 24 NVMe configuration will not support any GPU.
* SAS support only from optional SAS HBA/RAID card.

Front panel and rear panel with tri-mode RAID icon

Accelerating performance
for AI workloads

Up to two dual-slot GPUs

This server features multiple PCIe 5.0 slots to meet the demands of AI and high-performance computing (HPC) workloads, including supporting up to two dual-slot active or passive GPUs, and Xilinx Alveo accelerators. The scalable configurations in one 2U system provide optimized acceleration for workloads across cloud and on-premises data centers, and for hybrid cloud environments in financial computing, machine learning, computational storage, and data search and analytics.

* The total number of NVMe drives installed will affect the total number of GPUs that can be installed.
* FPGA Xilinx verification is available on request.
* Refer to GPU compatible list by models.

ASUS server with multiple GPU partners logo

NVIDIA Omniverse

3D design collaboration and simulation

ASUS solutions for Omniverse give your organization a comprehensive package for Omniverse Enterprise. The diverse portfolio allows us to tailor a package to be fully compatible with your design environment and needs. As our long-term partnership with NVIDIA and ISV certifications, we’re fully invested in the Omniverse ecosystem and ready to help our partners develop new segments on this exciting platform.

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The structure of ASUS Omniverse solution

Redundant Fans Support

Eight fans for uninterrupted operation

This server offers optional hot-swappable, redundant fans and dedicated air tunnels for the CPUs, GPUs and DIMMs for an extra thermal back-up solution. Eight fans for the system — four primary and four back-up fans to ensure nonstop cooling performance for nonstop server operation.

* Please select it when purchasing order and we will have assembling and standard testing before ship

Redundant Fans Support

Server-management Solution

Remote server management

ASUS ASMB11-iKVM is the latest server-management solution from ASUS, built upon the ASPEED 2600 chipset running on the latest AMI MegaRAC SP-X. The module provides various interfaces to enable out-of-band server management through WebGUI, Intelligent Platform Management Interface (IPMI) and Redfish® API.

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BMC performance chart

Streamline IT operations via a single dashboard

ASUS Control Center (ACC) is remote IT management software designed for monitoring your hardware and software IT assets and inventory status and enabling seamless remote BIOS configurations and updates, efficient IT diagnostics and troubleshooting and enhanced security with Hotfix updates, allowing easier server management for any IT infrastructure.

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ASUS control center software

Enhanced Security

Hardware Root-of-Trust Solution

Detect, recover, boot and protect

ASUS servers integrate PFR FPGA as the platform Root-of-Trust solution for firmware resiliency to prevent from hackers from gaining access to infrastructure. ASUS security solutions are fully compliant with the 2018 National Institute of Standards and Technology (NIST) SP 800 193 specification.

* Platform Firmware Resilience (PFR) module must be specified at time of purchase and is factory-fitted. It is not for sale separately.

Trusted Platform Module 2.0

ASUS servers also include support Trusted Platform Module 2.0 (TPM 2.0) to secure hardware through integrated cryptographic keys and offer regular firmware update for vulnerabilities.

Learn More about the product support list