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Asus RS521A-E12-RS12U-20TW1G Server Barebone System 2U Rack-mountable Socket SP5 1 x Processor Support 1

Asus RS521A-E12-RS12U-20TW1G Server Barebone System 2U Rack-mountable Socket SP5 1 x Processor Support 1
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General Information

5th Generation AMD EPYC Processors with AMD 3D V-Cache technology

ASUS RS521A-E12-RS12U was designed to accelerate application performance leveraging accelerator cards and storage scalability. With the CPU and memory configured in a front parallel design that enables efficient airflow for excellent thermal performance, RS521A-E12-RS12U is optimized for rack placement. Featuring the single processor in a 2U chassis, RS521A-E12 series delivers the right-sized rack server dimensions for price sensitive applications and meets the demanding computing requirements.

Processor
Number of Processors Supported:1
Number of Processors Installed:1
Processor Socket:Socket SP5
Processor Supported:EPYC
64-bit Processing:Yes

Chipset
Chipset Manufacturer:AMD

Memory
Maximum Memory Supported:2 TB
Memory Technology:DDR5 SDRAM
Total Number of Memory Slots:24

Storage
Supported Storage Drive Interfaces:Serial ATA III
Supported Storage Drive Interfaces:PCI Express NVMe 5.0 x4
Supported Storage Drive Interfaces:PCI Express NVMe 4.0 x4
Supported Storage Drive Types:SSD
Supported Storage Drive Types:HDD

Controllers
Controller Type:NVMe
Controller Type:Serial ATA/600
RAID Supported:Yes

Display & Graphics
Graphics Controller Manufacturer:ASPEED
Graphics Memory Capacity:64 MB

Network & Communication
Ethernet Technology:Gigabit Ethernet

I/O Expansions
Number of Total Expansion Bays:14
Number of 3.5" Bays:12
Number of 2.5" Bays:2
Total Number of Expansion Slots:6
Number of PCI Express x8 Slots:1
Number of PCI Express x16 Slots:5
Number of M.2 Interfaces:2

Interfaces/Ports
Total Number of USB Ports:4
Number of USB 3.2 Gen 1 Ports:4
Network (RJ-45):Yes
Number of Network (RJ-45) Ports:3
Number of VGA Ports:1

Operating System
Operating System Supported:Windows Server 2022
Operating System Supported:Ubuntu 24.2

Power Description
Input Voltage:120 V AC
Input Voltage:230 V AC
Number of Power Supplies Installed:2
Maximum Power Supply Wattage:2000 W
Frequency:50 Hz
Frequency:60 Hz

Physical Characteristics
Form Factor:Rack-mountable
Rack Height:2U
Height:3.5"
Width:17.7"
Depth:33.1"
Weight (Approximate):39.57 lb

Miscellaneous
Environmental Compliance:Restriction of Hazardous Substances (RoHS)

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.


  • UPC: 197105829565 
  • Mfr's Part #: RS521A-E12-RS12U-20TW1G