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Oliver Brooks
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Stable enterprise server with reliable uptime performance.
90SF0051-M00380
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RS520-E9-RS12-E - Intel® C621 - LGA 3647 - Intel® Xeon® - DD...
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90SF0051-M00380
- Description:
- RS520-E9-RS12-E - Intel® C621 - LGA 3647 - Intel® Xeon® - DDR4-SDRAM - 2048 GB - 2400,2666 MHz
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- Brand:
- Asus
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90SF0051-M00380 Overview
90SF0051-M00380 is a rackmount server designed to support Intel Xeon Scalable processors with an LGA 4189 socket and is configured for 2P scalability. It features ECC DDR4 memory supporting up to 1 TB across 16 DIMM slots and offers 4 PCIe expansion slots for additional connectivity.
The system includes 8 x 3.5-inch storage bays with RAID 1 support for data redundancy, dual 10GbE network interfaces for high-speed connectivity, and a redundant 750W power supply. Active cooling and integrated iDRAC remote management ensure optimal performance and control, while the server is certified for Windows Server operation and is ideal for data center, virtualization, file server, and application server environments.
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90SF0051-M00380 Specifications
- Product Type
- Server
- Form Factor
- Rackmount
- Rack Units
- 2U
- Processor Brand
- Intel
- Processor Series
- Intel Xeon Scalable
- Processor Generation
- Xeon 4th Gen
- Use Case
- Virtualization
- CPU Socket
- LGA 4189
- Scalability
- 2P
- Max Cores per CPU
- 32
- Max Threads per CPU
- 64
- RAM Type
- ECC DDR4
- RAM Slots
- 16
- Max RAM Capacity
- 1 TB
- Storage Type
- SATA HDD
- Storage Bays
- 8
- Drive Bay Size
- 3.5-inch
- Hot-Swap Support
- Yes
- RAID Support
- RAID 1
- PCIe Slots
- 4
- PCIe Version
- PCIe 4.0
- Network Interface
- 10GbE
- LAN Ports
- 2
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Power Supply Wattage
- 750W
- Cooling
- Active
- Operating System
- Windows Server
- Virtualization Ready
- Yes
- GPU Support
- No
- Rail Kit Included
- N/A
- Product Name
- 90SF0051-M00380
- Height
- 3.5 inches
- Width
- 17.2 inches
- Depth
- 28 inches
- Weight
- 40 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 90SF0051-M00380 |  90SF00C1-M00180 |  90SF00K1-M00360 |  90SF00X1-M00080 |  90SF00R1-M00040 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28 inches | 28 inches | 28 inches | 28 inches |
| Drive Bay Size | 3.5-inch | 2.5-inch | 3.5-inch | 2.5-inch | 2.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | No | No | Yes | Yes | No |
| Height | 3.5 inches | 1.75 inches | 1.75 inches | 3.44 inches | 1.75 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 2 | 2 | 2 | 2 | 2 |
| Max Cores per CPU | 32 | 64 | 32 | 32 | 64 |
| Max RAM Capacity | 1 TB | 512 GB | 1 TB | 1 TB | 1 TB |
| Max Threads per CPU | 64 | 128 | 64 | 64 | 128 |
| Network Interface | 10GbE | 10GbE | 1GbE | 10GbE | 10GbE |
| Operating System | Windows Server | Windows Server | VMware ESXi | Windows Server / VMware ESXi | Windows Server / VMware ESXi / RHEL |
| PCIe Slots | 4 | 4 | 4 | 4 | 4 |
| PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 800W | 750W | 750W | 750W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 4th Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 3rd Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | 90SF0051-M00380 | 90SF00C1-M00180 Enterprise Rackmount Server | 90SF00K1-M00360 Server | 90SF00X1-M00080 | 90SF00R1-M00040 High Performance Rack Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 1 | RAID 0 / RAID 1 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 |
| RAM Slots | 16 | 8 | 16 | 16 | 16 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 1U | 1U | 2U | 1U |
| Rail Kit Included | N/A | Yes | Yes | N/A | N/A |
| Remote Management | iDRAC | iDRAC | IPMI | iDRAC | IPMI |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 2 |
| Storage Type | SATA HDD | SATA SSD | SATA HDD | NVMe SSD | SATA SSD |
| Use Case | Virtualization | Virtualization / File Server / Application Server | Virtualization | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 40 lbs | 45 lbs | 35 lbs | 45 lbs | 45 lbs |
| Width | 17.2 inches | 19 inches | 19 inches | 17 inches | 19 inches |
Reviews & Ratings
A
Ava Peterson
5
Efficient rack design and consistent processing throughput.
J
James Turner
5
Professional build quality and strong airflow optimization.
S
Scarlett Reed
4
Reliable virtualization performance under heavy loads.
W
William Hayes
5
Smooth installation and dependable hardware engineering.
E
Emily Foster
4
Excellent stability for business-critical applications.
Questions & Answers
What is the Supermicro RS520-E9-RS12-E (SKU: 90SF0051-M00380)?
The Supermicro RS520-E9-RS12-E is a 2U rack-mount server platform optimized for high-density computing, featuring dual-socket support and advanced storage and networking options.
Which processors does the RS520-E9-RS12-E support?
This server supports Intel® Xeon® Scalable family processors (formerly Skylake/SP and Cascade Lake), up to 205 W TDP, across two LGA 3647 sockets.
What chipset is used in the RS520-E9-RS12-E server?
It is built on the Intel® C621 chipset, offering robust I/O, PCIe 3.0 lanes, and enterprise-grade reliability.
What memory specifications does this server support?
The RS520-E9-RS12-E supports DDR4-SDRAM in ECC RDIMM or LRDIMM formats at 2400 MHz and 2666 MHz speeds.
What is the maximum RAM capacity?
The system supports up to 2 048 GB of DDR4 memory using 24 DIMM slots (12 slots per CPU).
What socket type is included?
This server uses the LGA 3647 socket architecture, compatible with second-generation Intel® Xeon® Scalable processors.
How many DIMM slots are available?
It offers 24 DDR4 DIMM slots in a dual-processor configuration, enabling 12 slots per CPU for maximum memory capacity.
What expansion slot options are available?
The chassis provides up to seven PCIe 3.0 slots (x16/x8/x4), supporting GPUs, NVMe cards, HBA/RAID controllers and other add-on cards.
What network connectivity features are integrated?
It includes dual 10 GbE LAN ports on-board and optional mezzanine cards for 25 GbE/100 GbE, ensuring flexible high-speed networking.
Which operating systems are compatible?
The server is certified for Windows Server 2016/2019/2022, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, Ubuntu LTS and VMware ESXi.
Does this server support ECC memory?
Yes, the RS520-E9-RS12-E fully supports ECC RDIMM and LRDIMM modules for error detection and correction.
What form factor is the RS520-E9-RS12-E?
It is a 2U rack-mount server chassis (19" width) designed for standard data center racks.
What power supply options are supported?
The system supports dual hot-swap 800 W or 1200 W Titanium-level power supplies for N+1 redundancy and high efficiency.
What are the typical use cases for this server?
Ideal for virtualization, database management, high-performance computing (HPC), AI/ML workloads and software-defined storage.
What are the physical dimensions?
The server measures approximately 87 mm (H) × 445 mm (W) × 753 mm (D), fitting standard 2U rack enclosures.
What warranty is provided?
Supermicro offers a three-year limited warranty with options for extended coverage and on-site service upgrades.