Product image

Key Features

1 x AMD EPYC 9005 Series Processor
With 24*DDR5 DIMM up to 5200Mhz
PCIe Gen5 slots
Max 2x DW GPU cards supported
Rack-optimized Design
12 x 3.5" Hot-swap HDD bays

Manuals & Resources

MANUAL User Manual › DATASHEET Product Datasheet › BROCHURE Manufacturer Brochure › MANUAL Assembly Instructions › WARRANTY Warranty Information › DATASHEET Product Fiche › GUIDE Energy Guide › SAFETY Safety Data Sheet › SAFETY Safety Data Sheet (FR) › SAFETY COSHH Sheet › TOUR Product Tour › 360 360° Product View ›

ASUS Barebone Systems

RS521A-E12-RS12U-20TW1G

Mfr # RS521A-E12-RS12U-20TW1G SKU 14627675 UPC 197105829565

$2,485.77 MSRP $2,800.00 Save 11%

Regular price saves you $314.23 against MSRP.

Available

Product Overview

RS521A-E12-RS12U-20TW1G

Asus (RS521AE12RS12U20TW1G) Barebone Systems
Asus RS521A-E12-RS12U Server Barebone System - 2U Rack-mountable - Socket SP5 - 1 x Processor Support - 1 x AMD EPYC 5th Gen - AMD Chip - 2 TB DDR5 SDRAM Maximum RAM Support - 24 Total Memory Slots - NVMe RAID Supported, Serial ATA/600 Controller - ASPEED 64 MB Graphic(s) - 12 3.5" Bay(s) - 2 2.5" Bay(s) - Network (RJ-45) - 2 M.2 Interface(s) - Gigabit Ethernet - Windows Server 2022, Ubuntu 24.2 Supported Operating System - 4 USB 3.2 Gen 1 Port(s) - 2 x 2000 W
Asus RS521A-E12-RS12U Server Barebone System - 2U Rack-mountable - Socket SP5 - 1 x Processor Support - 1 x AMD EPYC 5th Gen
AMD Chip - 2 TB DDR5 SDRAM Maximum RAM Support - 24 Total Memory Slots - NVMe RAID Supported, Serial ATA/600 Controller - ASPEED 64 MB Graphic(s) - 12 3.5" Bay(s) - 2 2.5" Bay(s) - Network (RJ-45) - 2 M.2 Interface(s) - Gigabit Ethernet - Windows Server 2022, Ubuntu 24.2 Supported Operating System - 4 USB 3.2 Gen 1 Port(s) - 2 x 2000 W

Technical Specifications

Product Type	Server Barebone System
Input Voltage	120 V AC
Input Voltage	230 V AC
Manufacturer Part Number	RS521A-E12-RS12U-20TW1G
Maximum Memory Supported	2 TB
Weight (Approximate)	39.57 lb
Form Factor	Rack-mountable
Manufacturer	ASUS Computer International
Product Model	RS521A-E12-RS12U
Product Name	RS521A-E12-RS12U Server Barebone System
Processor Type	EPYC
Controller Type	NVMe
Controller Type	Serial ATA/600
Product Series	RS521A-E12
Processor Socket	Socket SP5
Rack Height	2U
Brand Name	Asus
Operating System Supported	Windows Server 2022
Operating System Supported	Ubuntu 24.2
Memory Technology	DDR5 SDRAM
Height	3.5"
Width	17.7"
Depth	33.1"
64-bit Processing	Yes
Processor Manufacturer	AMD
Chipset Manufacturer	AMD
Graphics Controller Manufacturer	ASPEED
Number of Power Supplies Installed	2
Graphics Memory Capacity	64 MB
Number of Processors Supported	1
Number of Processors Installed	1
RAID Supported	Yes
Ethernet Technology	Gigabit Ethernet
Number of Total Expansion Bays	14
Number of 3.5" Bays	12
Number of PCI Express x8 Slots	1
Number of PCI Express x16 Slots	5
Number of Network (RJ-45) Ports	3
Network (RJ-45)	Yes
Maximum Power Supply Wattage	2000 W
Total Number of USB Ports	4
Number of 2.5" Bays	2
Number of VGA Ports	1
Total Number of Expansion Slots	6
Number of M.2 Interfaces	2
Processor Generation	5th Gen
Number of USB 3.2 Gen 1 Ports	4
Total Number of Memory Slots	24
Environmental Compliance	Restriction of Hazardous Substances (RoHS)

Marketing 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.