ASUS RS520-E12-RS12U Rack Server
Brand: ASUS | Category: Servers
SKU: RS520-E12-RS12U | Part #: RS520-E12-RS12U | MPN: RS520-E12-RS12U
Contact for Pricing — Request a Quote
About the ASUS RS520-E12-RS12U Rack Server
The ASUS RS520-E12-RS12U delivers dual 4th Generation Intel Xeon Scalable Processors (Sapphire Rapids) with up to 4TB of DDR5 ECC Registered memory across 16 DIMM slots, coupled with 12 × 3.5-inch hot-swap drive bays—providing the compute headroom enterprise storage architects demand for memory-intensive and I/O-heavy workloads.
Built as a 1U rack-mount chassis, the RS520-E12-RS12U (ASUS part number RS520-E12-RS12U) combines dual LGA 4677 sockets with PCIe 5.0 expansion, dual redundant hot-swap power supplies, and ASUS ASMB11-iKVM management for reliable 24/7 operation. The platform supports NVMe, SATA, and SAS storage interfaces depending on backplane configuration, dual 1GbE LAN ports plus dedicated management connectivity, and boots Windows Server, Red Hat Enterprise Linux, Ubuntu Server, and VMware ESXi. Security is enforced via TPM 2.0, Secure Boot, and ASUS UEFI BIOS, while regulatory compliance spans CE, FCC, BSMI, and UL certifications.
Deployment Scenarios
- High-performance virtualization clusters requiring 4TB memory capacity and dual-socket processing for virtual machine density
- In-memory database and analytics platforms leveraging DDR5 speed and 3DS RDIMM configurations for sub-millisecond latency
- Multi-tenant storage and backup appliances using 12-bay drive capacity with hot-swap reliability and redundant power
- Enterprise rack consolidation projects where 1U form factor and PCIe 5.0 I/O bandwidth reduce physical footprint without sacrificing throughput
- Mission-critical application servers requiring IPMI 2.0 remote management and redundant power for uninterrupted uptime
For IT procurement teams and infrastructure planners evaluating next-generation 4th Gen Xeon platforms, the RS520-E12-RS12U combines capacity, density, and manageability in a proven 1U design. Contact Omnixon Global to request a detailed quotation.
Technical Specifications
| Brand | ASUS |
| Category | Servers |
| SKU | RS520-E12-RS12U |
| Part Number | RS520-E12-RS12U |
| Condition | New |
| Manufacturer Part Number | RS520-E12-RS12U |
| Form Factor | 1U Rack Server |
| CPU Support | Dual 4th Generation Intel Xeon Scalable Processors (Sapphire Rapids) |
| CPU Socket | LGA 4677 (Socket E) × 2 |
| Memory Slots | 16 × DIMM slots (8 per CPU) |
| Memory Type | DDR5 ECC Registered (RDIMM / 3DS RDIMM) |
| Maximum Memory | Up to 4TB DDR5 |
| Storage Bays | 12 × 3.5-inch hot-swap drive bays |
| Storage Interface | NVMe, SATA, SAS (drive type dependent on backplane configuration) |
| PCIe Expansion | PCIe 5.0 |
| Management | ASUS ASMB11-iKVM (IPMI 2.0 compliant) |
| Networking | Dual 1GbE LAN (Intel i210AT); dedicated management LAN port |
| Power Supply | Dual redundant hot-swap PSUs |
| Operating System Support | Windows Server, Red Hat Enterprise Linux, Ubuntu Server, VMware ESXi |
| Security Features | TPM 2.0 header, Secure Boot, ASUS UEFI BIOS |
| Chassis | 1U Rack-mount |
| Regulatory Compliance | CE, FCC, BSMI, UL |
Frequently Asked Questions about ASUS RS520-E12-RS12U Rack Server
Can you supply the ASUS RS520-E12-RS12U Rack Server configured to my BOM?
Yes. Submit your CTO BOM (CPU SKU, memory layout, drives, NIC, GPU, OS preload) in the RFQ and we return a configured-to-order quote with realistic lead time. Standard CTO turn is 4-6 weeks vendor-side.
Do you offer Dell ProSupport / HPE Foundation Care alongside the hardware?
Yes — we attach the matching support contract during quoting. Available tiers: ProSupport / ProSupport Plus / Mission Critical (Dell), Foundation Care / Proactive Care 24x7 (HPE), Premier (Lenovo). Recommend 3y minimum for production.
Is rack installation available in Dubai / GCC?
Yes for Dubai (same-week scheduling) and on quotation for the broader GCC via certified partners. Includes rack-and-stack, cable management, OS install, and post-install verification.
Why buy from Omnixon Global instead of going direct to the OEM?
Omnixon Global is a single supplier across every major brand — genuine channel-sourced hardware, full manufacturer support, pre-sales engineering and BOM validation. Submit a Request for Quote (RFQ) and our team handles sourcing and configuration end-to-end.