ASUS
ASUS SV RS521A-E12-RS12U-20TW1G 2U EPYC9005 Max2304GB DDR5 2000W Brown Box
Mfg Part Number: RS521A-E12-RS12U-20TW1G , Item #: 5249200
Image may not reflect the actual item.
Price: $3,762.16
Quantity:
In Stock: 23
Last Updated: Mar 02, 2026
No Sales Tax except these states
, PO and Wire.
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.
Main Specification
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | RS521A-E12-RS12U-20TW1G |
| Manufacturer Website Address | http://usa.asus.com |
| Brand Name | Asus |
| Product Series | RS521A-E12 |
| Product Model | RS521A-E12-RS12U |
| Product Name | RS521A-E12-RS12U Server Barebone System |
| Product Type | Server Barebone System |
| Processor | |
| Number of Processors Supported | 1 |
| Number of Processors Installed | 1 |
| Processor Socket | Socket SP5 |
| Processor Manufacturer | AMD |
| Processor Type | EPYC |
| Processor Generation | 5th Gen |
| 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 | PCI Express NVMe 5.0 x4 |
| Supported Storage Drive Interfaces | Serial ATA III |
| Supported Storage Drive Types | SSD |
| 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:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
