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ASUS RS521A-E12-RS24U Server - System Overview

ASUS RS521A-E12-RS24U server front

The system is designed for enterprise applications and for use as a data center storage server. A total of 24x 2.5” all-flash NVMe drives can be loaded on the front panel of the ASUS RS521A-E12-RS24U, with an additional 2x 2.5” SATA3 trays on the rear. 2x M.2 with a SATA signal or PCIe Gen5 x4 link can be found on the motherboard for cards with interfaces up to 22110. Depending on the NVMe storage configurations, this server can accommodate various PCIe layouts. When the system features 16x NVMe drive bays on the front of the chassis, up to 5x PCIe Gen5 slots and 1x OCP 3.0 slot are supported, as opposed to the 1x PCIe Gen5 slot and 1x OCP 3.0 slot when 24x NVMe drives are installed. GPUs are not supported when 24x NVMe drive bays are installed. The following configurations can be used on this platform:

Storage Configurations
  • 24 x NVMe or
  • 16 x NVMe + 8 x SAS*/SATA (from HBA/RAID card) or
  • 12 x NVMe + 12 x SAS*/SATA or
  • 8 x NVMe + 16 x SAS*/SATA

* SAS support only from optional SAS HBA/RAID card

ASUS RS521A-E12-RS24U server rear

For extra security, an optional front bezel can be installed to prevent unauthorized physical access to the hard drives and power button. Up to 4x single-slot or 2x double-slot GPU cards can be connected depending on the storage as mentioned above. This system is powered by either a 1+1 redundant 2000W/1600W 80 PLUS Titanium power supply or a 1+1 redundant 1200W 80 PLUS Platinum power supply.

Administrators can manage the RS521A-E12-RS24U using ASUS Control Center, a web-based software that lets you monitor and control various ASUS devices like servers, workstations, and PCs. It's a secure, cost-effective solution for enterprises and data centers, supporting over 1,000 systems when supplied with the appropriate host. The platform tracks hardware, software, and assets remotely, and allows software updates, reporting, and remote access via PCs or mobile devices. It also includes security features like customizable permissions. Alternatively, the ASUS ASMB11-iKVM provides remote server management, even if the server is off or unresponsive. Compliant with IPMI 2.0, it helps reduce management costs and improve productivity by enabling real-time monitoring and control.

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ASUS RS521A-E12-RS24U Server - Specifications

Processor- 1 Socket
  • AMD EPYC 9005 Series
  • AMD EPYC 9004 Series
  • AMD 3D V-Cache technology
  • 2 x Socket SP5 (LGA 6096)
  • TDP up to 360W
Memory
    Memory Slots

  • 24x DIMM slots
  • Maximum 2304GB
  • 12-channel per CPU, 2 DIMM per CPU
  • RDIMM/3DS RDIMM supported
  • AMD EPYC 9005 Series

  • 2DPC (1 of 2) up to 5200
  • 2DPC (2 of 2, 1R+1R ) up to 4400
  • 2DPC (2 of 2, 2R+2R ) up to 4000
  • AMD EPYC 9004 Series

  • 2DPC (1 of 2) up to 4800
  • 2DPC (2 of 2, 1R+1R ) up to 4000
  • 2DPC (2 of 2, 2R+2R ) up to 3600
Drive Bays

    16 NVMe configuration SKU:

  • 24 x 2.5” hot-swap drive bays
  • Support 16x NVMe + 8 SAS/SATA

  • *RAID/PIKE cable is needed for 8 SAS/SATA

    24 NVMe configuration SKU:

  • 24 x 2.5” hot-swap drive bays
  • Support 24x NVMe
  • Rear bays:

  • 2 x 2.5” SATA hot-swap drive bays

  • 2 x M.2 Connectors
LAN
  • 1 x Dual Port Intel I350-AM2 Gigabit LAN controller
  • 1 x Dedicated management port (BMC, AST2600)
Expansion Slots

    Up to 5 PCIe Gen5 slots + 1 OCP3.0

  • 2 x PCIe x16 slot(Gen5 x16 link, FHFL) or dual-slot GPU cards or
  • 4 x PCIe x16 slot(Gen5 x8 link, FHFL)*
  • 1 x PCIe x16 slot(Gen5 x8 link, LP)
  • 1 x OCP 3.0 Mezzanine (Gen5 x16 link)

  • *support NOT available on 24 NVMe SKU
Disk Controller

    Storage Controller

  • CPU integrated
  • Optional Kits Controller

  • Broadcom Mega RAID 9560-16I
  • ASUS PIKE II 3008 8-port SAS HBA card
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 Switch/LED:

  • 1 x Power Button/LED, 1 x Reset Switch, 1x Location Button/LED, 1 x HDD Access LED, 1 x Message LED, LAN 1-2 LED
  • Rear Switch/LED:

  • 1 x Port 80 LED (Q-Code), 1 x Power Switch w/LED, 1 x Location Button w/LED, 1 x Message LED
Chassis
    2U Enclosure

  • 840mm x 449mm x 88.1mm / 33.07" x 17.68" x 3.47"
  • Net Weight:

  • 19.14 kg
  • Gross Weight:

  • 26.63 kg
Power Supply
  • 1+1 Redundant 2000W/1600W 80 PLUS Titanium Power Supply
  • 1+1 Redundant 1200W 80 PLUS Platinum Power Supply
System Management
  • ASUS Control Center (Classic)
  • On-Board ASMB11-iKVM for KVM-over-IP

Request A Quote

Get a quote for ASUS RS521A-E12-RS24U Server

If you know what you want but can't find the exact configuration you're looking for, have one of our knowledgeable sales staff contact you. Give us a list of the components you would like to incorporate into the system, and the quantities, if more than one. We will get back to you immediately with an official quote.

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