ASUS RS521A-E12-RS12U AMD Single Socket, High Performance 2U Server

Overview

The ASUS RS521A-E12-RS12U is a high-performance 2U server designed for demanding computing requirements. It features 5th Generation AMD EPYC™ Processors with AMD 3D V-Cache technology, offering accelerated application performance and storage scalability. The front-parallel CPU and memory configuration ensures efficient airflow and thermal performance, making it optimized for rack placement. This single-processor, 2U chassis server provides right-sized dimensions for price-sensitive applications.

Key specifications include:

• Form Factor: 2U
• CPU: 1 Socket
• Memory Slots: 24*

Features

• 1 x AMD EPYC 9005 Series Processor
• 24 x DDR5 DIMM slots supporting up to 5200MHz
• PCIe Gen5 slots
• Support for up to 2 double-width (DW) GPU cards
• Rack-optimized Design
• 12 x 3.5" Hot-swap HDD bays

Target Market

• Data Center Storage Server
• Enterprise Application

Key Technologies

Industry-Leading Memory Capability

With a 2 DIMM per channel design, the RS521A-E12 Series supports up to 24 DIMM slots. The CPU's memory controller supports DDR5 memory across 12 channels at speeds up to 5200MHz, delivering advanced server memory technology.

AMD EPYC™ 9005 Series Processors

The RS521A-E12 Series is built on the latest AMD EPYC™ 9005 Series Processors, designed for scale-out computing and a wide range of current and emerging workloads.

Storage Interface

Optimized for software-defined storage management, the server offers:

• Front: 12 x 3.5" hot-swap storage bays (supports up to 12 x 3.5" U.2/U.3 NVMe devices)
• Rear: 2 x 2.5" hot-swap storage bays (supports SATA devices)

IT Infrastructure Management

Comprehensive management is provided by ASMB11-iKVM and ASUS Control Center (ACC Classic).

Internal Component Layout

The internal layout of the server includes the following components:

• 1. Asset Tag
• 2. 24 x DDR5 DIMM slots (up to 5200MHz)
• 3. AMD EPYC™ 9005 Processor Family (supports processors up to 400W)
• 4. 2 x PCIe x16 slots (Gen5 x16 link, FHFL) or dual-slot GPU cards
• 5. 2 x PCIe x16 slots (Gen5 x8 link, LP)
• 6. 1 x OCP 3.0 Mezzanine slot (Gen5 x16 link)
• 7. 1+1 80 PLUS Titanium / Platinum Power Supply Units (PSUs)
• 8. 12 x 3.5" Hot-swap HDD Bays
• 9. 4 x Redundant fans (optional)
• 10. 2 x Rear-bay support for SATAIII devices

*Please select specific configurations when placing an order; assembly and standard testing will be performed before shipment.

Specifications

Core Logic & Processor Support

Memory

Expansion Slots

Disk Controller

Storage Bays

Networking

Graphic

Front I/O Ports

• 2 x USB 3.2 Gen1 ports

Rear I/O Ports

• 2 x USB 3.2 Gen1 ports
• 1 x [VGA] port
• 2 x [RJ-45] GbE LAN ports
• 1 x [RJ-45] Management LAN port

Switch/LED

Front

• 1 x [Power Switch] ([LED])
• 1 x [Reset Switch]
• 1 x [Location Switch] ([LED])
• 1 x [HDD Access LED]
• 1 x [Message LED]
• [LAN 1-2 LED]

Rear

• 1 x [Port80 LED] (Q-Code)
• 1 x [Power Switch] ([LED])
• 1 x [Location Switch] ([LED])
• 1 x [Message LED]

OS Support

Please find the latest OS support from OS Compatibility Guide | ASUS

Management Solution

Dimension

Weight

Power Supply

Configurations vary by region:

• 1+1 Redundant 2000W/1600W 80 PLUS Titanium Power Supply
• 1+1 Redundant 1200W 80 PLUS Platinum Power Supply

Environment

• Operation temperature: 10°C ~ 35°C
• Non-operation temperature: -40°C ~ 70°C
• Non-operation humidity: 20% ~ 90% (Non-condensing)

RS521A-E12 Series Support Matrix

This table outlines the support matrix for the RS521A-E12 Series, comparing the RS521A-E12-RS24U and RS521A-E12-RS12U models.

* The total number of NVMe drives installed will affect the total number of GPUs that can be installed.