Dell Backplane 10 Bay 2.5" HDD/SSD SAS/SATA/NVMe 1U PowerEdge 091P78 91P78
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Dell 10-Bay 2.5" Backplane for PowerEdge R440 / R640
SAS / SATA / NVMe | 1U Server | 091P78 / 91P78 / 0CFKJ5
Overview
The Dell 10-bay 2.5-inch backplane (Part Number 091P78) is an internal storage expansion board designed for 1U PowerEdge servers. It enables support for up to ten front-loading drives and is built to handle high-density enterprise storage workloads with flexible SAS, SATA, and NVMe compatibility.
This backplane is ideal for upgrading or replacing storage configurations in PowerEdge R640 and R440 systems.
Key Features
- Supports up to 10 x 2.5" SFF drives
- Compatible with SAS, SATA, and NVMe (U.2) drives
- Designed for 1U Dell PowerEdge servers
- Hot-swappable drive support
- Optimized airflow design for cooling efficiency
Part Numbers
- 091P78
- 91P78
- 0CFKJ5 / CFKJ5
- 0Y0DFT / Y0DFT
Technical Specifications
- Manufacturer: Dell Technologies
- Component Type: Drive Backplane / Expander Board
- Form Factor: 1U Server Compatible
- Drive Bays: 10 x 2.5" Small Form Factor (SFF)
- Interface Support:
- SAS (up to 12Gb/s)
- SATA (up to 6Gb/s)
- NVMe (U.2 PCIe)
- Weight: Approx. 0.5 kg
Compatibility
Supported Servers
- Dell PowerEdge R640 (10-bay configuration)
- Dell PowerEdge R440 (10-bay configuration)
Controller Compatibility
Works with Dell PERC RAID and HBA controllers, including:
- PERC H330
- PERC H730P
- PERC H740P
- PERC H750
- HBA330 / HBA350i
Important Notes
- Cables are not included
- NVMe functionality requires proper PCIe/Slimline cabling
- SAS/SATA drives require Mini-SAS HD connections
- Ensure your server supports a 10-bay configuration before purchase
- Not compatible with 2U systems or earlier-generation servers (e.g., R630)
Ideal Use Cases
- Expanding storage capacity in 1U servers
- Replacing a faulty or damaged backplane
- Mixed storage environments (HDD + SSD)
- Enterprise and data center deployments
Summary
The Dell 091P78 10-bay backplane offers flexible, high-density storage support for PowerEdge R440 and R640 servers. With SAS, SATA, and NVMe compatibility, it provides a reliable solution for modern enterprise workloads.