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ASUS RS521A-E12-RS12U

ASUS RS521A-E12-RS12U

AMD EPYC™ 9005 single-processor 2U server that supports up to 24 DIMM, 12 NVMe, five PCIe® 5.0 slots, two M.2, OCP 3.0, two dual-slot GPUs, and ASUS ASMB11-iKVM

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Barebone

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Processor

Processor Selection Limitation:
The processor selection of this configuration is limited due to thermal restrictions. The maximum processor TDP supported in this configuration is 360W at an ambient temperature of 35°C.

Processors with higher TDPs may be supported under specific operating conditions or require additional items for proper support. Please contact sales department for additional information.

4th Generation AMD EPYC™ Processors

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Frequency Optimized 4th Generation AMD EPYC™ Processors

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Single Socket Optimized 5th Generation AMD EPYC™ Processors

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5th Generation AMD EPYC™ Processors

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Memory

5600MHz ECC Registered DDR5 DIMMs

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6400MHz ECC Registered DDR5 DIMMs

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max quantity: 2M.2 Drive

Selection Recommendation:
Use as a dedicated storage device for your Operating System

Micron 7450 PRO M.2 PCIe 4.0 x4 NVMe Solid State Drives

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Micron 7450 MAX M.2 PCIe 4.0 x4 NVMe Solid State Drives

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Samsung PM9A3 M.2 PCIe 4.0 x4 NVMe Solid State Drives

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Hard Drive

Rear OS Drives

Micron 5400 PRO Enterprise-Class SATA Solid State Drives

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Micron 5400 MAX Enterprise-Class SATA Solid State Drives

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Solidigm D3-S4520 Series Enterprise-Class SATA Solid State Drives

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max quantity: 12Hard Drive

Enterprise-Class SATA Hard Drives

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Enterprise-Class SAS Hard Drives

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Western Digital Enterprise-Class SATA Hard Drives

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Western Digital Enterprise-Class SAS Hard Drives

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Seagate Enterprise-Class SATA Hard Drives

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Seagate Enterprise-Class SAS Hard Drives

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Micron 5400 PRO Enterprise-Class SATA Solid State Drives

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Micron 5400 MAX Enterprise-Class SATA Solid State Drives

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Solidigm D3-S4520 Series Enterprise-Class SATA Solid State Drives

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Solidigm P5620 Series PCIe 4.0 x4 NVMe Solid State Drives (3x DWPD)

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Micron 7450 PRO Series PCIe 4.0 x4 NVMe Solid State Drives (1x DWPD)

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Micron 7450 MAX Series PCIe 4.0 x4 NVMe Solid State Drives (3x DWPD)

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Micron 7500 PRO Series PCIe 4.0 x4 NVMe Solid State Drives (1x DWPD)

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Micron 7500 MAX Series PCIe 4.0 x4 NVMe Solid State Drives (3x DWPD)

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Micron 9550 PRO Series PCIe 5.0 1x4 NVMe Solid State Drives (1x DWPD)

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Micron 9550 MAX Series PCIe 5.0 1x4 NVMe Solid State Drives (3x DWPD)

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Samsung PM9A3 Series U.2 PCIe 4.0 x4 NVMe Solid State Drive (1x DWPD)

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Kioxia CD8-R Series PCIe 4.0 x4 NVMe Solid State Drives (1x DWPD)

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Kioxia CD8-V Series PCIe 4.0 x4 NVMe Solid State Drives (3x DWPD)

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Kioxia CM7-R Series PCIe 5.0 NVMe 2.0 Solid State Drives (1x DWPD)

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Kioxia CM7-V Series PCIe 5.0 NVMe 2.0 Solid State Drives (3x DWPD)

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Controller Card

12Gb SAS Host Bus Adapter

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12Gb SAS RAID Controllers (RAID 0/1/5/6/10/50/60)

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Battery Backup

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max quantity: 1Network Adapter - OCP

12Gb/s SAS RAID Controller (RAID 0/1/5/6/10/50/60)

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Broadcom NetXtreme Ethernet Adapters

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Intel X710 Series 10-Gigabit Ethernet Adapters

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Intel E810 Series 25/100-Gigabit Ethernet Adapters

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max quantity: 1Network Adapter

Broadcom Ethernet Adapters

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Intel X710 Series 10-Gigabit Ethernet Adapters

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Intel E810 Series 25/100-Gigabit Ethernet Adapters

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NVIDIA ConnectX-6 Dx Series 100-Gigabit Ethernet Adapters

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NVIDIA ConnectX-7 Series 200/Gigabit Adapters

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NVIDIA ConnectX-7 Series 200/400-Gigabit NDR InfiniBand Adapters

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Trusted Platform Module

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Cables

C13 to NEMA 5-15P

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C13 to C14

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Mounting Rails

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Operating System

Click the Compare button to get more information on limitations for each operating system including maximum memory and processor support.

No Windows Operating System

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Microsoft Windows Server 2022

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Microsoft Windows Server 2025

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CIQ Rocky Linux Support

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Linux Distributions

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Red Hat Enterprise Linux Subscriptions

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Software

Downgrade Kits for Microsoft Windows Server

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Device Client Access Licenses for Windows Server 2025

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User Client Access Licenses for Windows Server 2025

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Additional Core Licenses for Windows Server 2025 Standard Edition

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Additional Core Licenses for Windows Server 2025 Datacenter Edition

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Warranty

Select A Region
Select A Region
  

3-Year Warranty Options

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4-Year Warranty Options

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5-Year Warranty Options

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Call Us:
1-877-722-3478