Dell PowerEdge R730 Midplane Board (CN-0JY8R3) – Internal Server Backplane / Midplane Assembly
The Dell PowerEdge R730 Midplane Board (CN-0JY8R3) is a critical internal backplane interface component used in the Dell PowerEdge R730 and R730xd 2U rack servers. It acts as the central data and power distribution bridge between the server’s front drive bays, system board, storage controllers, and power subsystem.
This midplane board is essential for enabling high-density storage connectivity, ensuring stable communication between SAS/SATA drives, backplane expanders, and RAID controllers in enterprise environments.
SPECIFICATION TABLE
| Feature | Details |
|---|
| Product Name | Dell PowerEdge R730 Midplane Board |
| Part Number | CN-0JY8R3 (0JY8R3) |
| Compatible Models | Dell PowerEdge R730 / R730xd |
| Component Type | Midplane / Backplane Interface Board |
| Function | Storage and power signal distribution |
| Drive Interface Support | SAS / SATA / (NVMe via controller/backplane config) |
| System Role | Connects front drive bays to RAID/HBA controller |
| Connectivity | Backplane signal + power connectors |
| Form Factor | Internal 2U rack server component |
| Application | Enterprise storage servers, data centers |
| Cooling Dependency | Works with chassis airflow system |
| Hot-Swap Support | Yes (via connected drive backplane system) |
Dell R730 Midplane Board Description
The Dell PowerEdge R730 Midplane Board (CN-0JY8R3) is a core internal interconnect module that enables the server’s high-density storage architecture. In the R730/R730xd platform, the midplane is responsible for distributing both data signals and power between the system board and multiple hard drives or SSDs installed in the chassis.
In storage-intensive configurations such as the R730xd (xd = extra drive capacity model), the midplane plays a crucial role in supporting large-scale storage setups, including SAS, SATA, and hybrid drive configurations. It ensures that all drive bays can communicate efficiently with the system’s RAID controller or HBA, maintaining high throughput and low-latency data access.
This component is especially important in enterprise environments where storage reliability, redundancy, and hot-swap capability are required. A properly functioning midplane ensures that drives can be replaced or expanded without shutting down the server, supporting 24/7 mission-critical operations.
Key Features
- Compatible with Dell PowerEdge R730 and R730xd servers
- Acts as a central storage signal and power distribution board
- Supports SAS / SATA enterprise storage architectures
- Enables hot-swap drive functionality
- Designed for high-density storage environments (R730xd optimized)
- Ensures stable communication with RAID/HBA controllers
- Built for 24/7 enterprise data center reliability
- Optimized airflow and rack-level thermal design support
Where It Can Be Used
- Enterprise data centers
- Storage-heavy server deployments (R730xd configurations)
- Virtualization and cloud infrastructure
- Database and file storage servers
- Backup and archival systems
- High-availability enterprise storage clusters
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