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.
- 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
| Brand | |
|---|---|
| Brand | ASUS Computer International |
| CPU / Processor | |
|---|---|
| Processor Manufacturer | AMD |
| Processor Type | EPYC |
| Number of Processors Installed | 1 |
| Number of Processors Supported | 1 |
| 64-bit Processing | Yes |
| Processor Generation | 5th Gen |
| Processor Socket | Socket SP5 |
| GPU / Graphics | |
|---|---|
| Graphics Controller Manufactu | ASPEED |
| Graphics Memory Capacity | 64 MB |
| Memory / RAM | |
|---|---|
| Memory Technology | DDR5 SDRAM |
| Total Number of Memory Slots | 24 |
| Maximum Memory Supported | 2 TB |
| Storage | |
|---|---|
| Supported Storage Drive Types | SSD |
| Supported Storage Drive Inter | PCI Express NVMe 5.0 x4 |
| RAID Supported | Yes |
| Power & Battery | |
|---|---|
| Number of Power Supplies Inst | 2 |
| Input Voltage | 230 V AC |
| Maximum Power Supply Wattage | 2000 W |
| USB Ports | |
|---|---|
| Total Number of USB Ports | 4 |
| Number of USB 3.2 Gen 1 Ports | 4 |
| Ethernet Port | |
|---|---|
| Number of Network (RJ-45) Por | 3 |
| Network (RJ-45) | Yes |
| Size / Dimensions | |
|---|---|
| Form Factor | Rack-mountable |
| Rack Height | 2U |
| General Features | |
|---|---|
| Chipset Manufacturer | AMD |
| Frequency | 60 Hz |
| Controller Type | Serial ATA/600 |
| Manufacturer | ASUS Computer International |
| Expansion Slots | |
|---|---|
| Number of PCI Express x16 Slo | 5 |
| Number of PCI Express x8 Slots | 1 |
| Total Number of Expansion Slots | 6 |
| Drive Bays | |
|---|---|
| Number of Total Expansion Bays | 14 |
| Number of 2.5" Bays | 2 |
| Number of 3.5" Bays | 12 |
| Video Ports | |
|---|---|
| Number of VGA Ports | 1 |
| Misc Ports | |
|---|---|
| Number of M.2 Interfaces | 2 |
| Miscellaneous | |
|---|---|
| Product Name | RS521A-E12-RS12U Server Barebone System |

















