Dell PowerEdge R740xd System Board (CN-05F6) – Server Motherboard for Enterprise 2U Rack Server
The Dell PowerEdge R740xd System Board (CN-05F6) is the main motherboard / system logic board used in the Dell PowerEdge R740xd 2U rack server platform. It serves as the central hardware backbone that connects and controls all critical server components including dual Intel Xeon Scalable processors, memory modules, storage controllers, PCIe expansion cards, and system management interfaces.
Designed for enterprise-grade reliability and scalability, this system board supports high-performance virtualization, database workloads, cloud computing, and data-intensive applications, making it a core component in modern data center infrastructure.
SPECIFICATION TABLE
| Feature | Details |
|---|
| Product Name | Dell PowerEdge R740xd System Board |
| Part Number | CN-05F6 (05F6 / 0CN05F6 varies by labeling) |
| Server Model Compatibility | Dell PowerEdge R740 / R740xd |
| Form Factor | 2U Rack Server Motherboard |
| Processor Support | Dual Intel Xeon Scalable CPUs |
| Memory Support | 24 × DDR4 ECC RDIMM/LRDIMM slots |
| Max Memory Capacity | Up to 3TB (configuration dependent) |
| Memory Speed | Up to 2933 MT/s DDR4 |
| Expansion Slots | Multiple PCIe 3.0 slots (riser dependent) |
| Storage Support | SAS / SATA / NVMe (via backplane & controllers) |
| RAID Support | PERC H330, H740P, HBA options supported |
| Network Interface | Onboard LOM (1GbE / 10GbE depending on daughter card) |
| Management | iDRAC9 with Lifecycle Controller |
| Security Features | TPM support, secure boot, system lock features |
| Power Interface | Server PSU connectors via chassis backplane |
| Application | Enterprise servers, virtualization, data centers |
Dell PowerEdge R740xd System Board Description
The Dell PowerEdge R740xd System Board (CN-05F6) is engineered as the core computing platform of the R740xd server, providing connectivity and control for all major hardware subsystems. It is designed to support dual-socket Intel Xeon Scalable processors, enabling high parallel processing performance for demanding workloads such as virtualization, cloud hosting, database management, and high-performance computing (HPC).
With support for 24 DDR4 DIMM slots, the system board allows massive memory scalability, making it ideal for memory-intensive applications like virtual machines, ERP systems, analytics platforms, and in-memory databases. Combined with ECC memory support, it ensures data integrity and system stability in mission-critical environments.
The board integrates with Dell’s iDRAC9 remote management system, enabling administrators to monitor, configure, and troubleshoot servers remotely. This improves uptime and simplifies data center operations.
Additionally, the system board supports multiple PCIe expansion slots, allowing installation of network adapters, RAID controllers, and GPU accelerators depending on workload requirements. It is fully optimized for high-density storage configurations (R740xd variant) supporting SAS, SATA, and NVMe drives.
Key Features
- Compatible with Dell PowerEdge R740 & R740xd servers
- Supports dual Intel Xeon Scalable processors
- Up to 24 DDR4 ECC memory slots (3TB max capacity)
- Integrated iDRAC9 remote management system
- Multiple PCIe 3.0 expansion slots for scalability
- Supports SAS, SATA, and NVMe storage architectures
- Enterprise-grade reliability for 24/7 operations
- Designed for data centers, virtualization, and cloud workloads
Where It Can Be Used
- Enterprise data centers
- Cloud computing infrastructure
- Virtualization environments (VMware, Hyper-V, KVM)
- Database and ERP servers
- High-performance computing clusters
- Storage-heavy applications (R740xd optimized workloads)
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