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Attention: Due to high order volume, orders may require an additional business day to process.
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
$3,208.73
Special order — estimated OEM lead time 3–8 weeks. Order today and we expect to receive stock between Oct 9 and Nov 13, then process your delivery right after.
Genuine ASUS Computer International through authorized distribution — NDAA §889 screened before checkout. TAA verified on request.
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.
About ASUS ASUS is a multinational company best known for their motherboards, PCs, monitors, graphics cards and routers. Along with an expanding range of superior gaming, content-creation and AIoT solutions, ASUS leads the industry through cutting-edge design and innovations made to create the most ubiquitous, intelligent, heartfelt and joyful smart life for everyone. With a global workforce that includes more than 5,000 R&D professionals, ASUS is driven to become the world’s most admired innovative leading technology enterprise. About ROG Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. © 2024 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.
| Chipset | |
|---|---|
| Chipset Manufacturer | AMD |
| Controllers | |
| Controller Type | NVMe, Serial ATA/600 |
| RAID Supported | Yes |
| Display & Graphics | |
| Graphics Controller Manufacturer | ASPEED |
| Graphics Memory Capacity | 64 MB |
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | RS521A-E12-RS12U-20TW1G |
| 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 |
| 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 |
| Memory | |
| Maximum Memory Supported | 2 TB |
| Memory Technology | DDR5 SDRAM |
| Total Number of Memory Slots | 24 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Operating System | |
| Operating System Supported | Windows Server 2022, Ubuntu 24.2 |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Rack Height | 2U |
| Height | 3.5" |
| Width | 17.7" |
| Depth | 33.1" |
| Weight (Approximate) | 39.57 lb |
| Power Description | |
| Input Voltage | 120 V AC, 230 V AC |
| Number of Power Supplies Installed | 2 |
| Maximum Power Supply Wattage | 2000 W |
| 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 |
| Miscellaneous | |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
Matched on Up to 5 · 100 GB+
$382.38
Back-orderedSend a bill of materials or part numbers — we confirm stock and a below-market total, with TAA verified on request. No payment up front.
