- Notes, cautions, and warnings
- PowerEdge R7425 system overview
- Documentation resources
- Technical specifications
- System dimensions
- Chassis weight
- Processor specifications
- Supported operating systems
- PSU specifications
- System battery specifications
- Expansion card riser specifications
- Memory specifications
- Storage controller specifications
- Drive specifications
- Ports and connectors specifications
- Video specifications
- Environmental specifications
- Initial system setup and configuration
- Pre-operating system management applications
- Options to manage the pre-operating system applications
- System Setup
- Viewing System Setup
- System Setup details
- System BIOS
- Viewing System BIOS
- System BIOS Settings details
- System Information
- Viewing System BIOS
- System Information details
- Memory Settings
- Viewing Memory Settings
- Memory Settings details
- Processor Settings
- Viewing Processor Settings
- Processor Settings details
- SATA Settings
- Viewing SATA Settings
- SATA Settings details
- NVMe Settings
- Boot Settings
- Viewing Boot Settings
- Boot Settings details
- Choosing system boot mode
- Changing boot order
- Network Settings
- Viewing Network Settings
- Network Settings screen details
- Integrated Devices
- Viewing Integrated Devices
- Integrated Devices details
- Serial Communication
- Viewing Serial Communication
- Serial Communication details
- System Profile Settings
- Viewing System Profile Settings
- System Profile Settings details
- System Security
- Viewing System Security
- System Security Settings details
- Creating a system and setup password
- Using your system password to secure your system
- Deleting or changing system and setup password
- Operating with setup password enabled
- Redundant OS Control
- Viewing Redundant OS Control
- Redundant OS Control screen details
- Miscellaneous Settings
- Viewing Miscellaneous Settings
- Miscellaneous Settings details
- iDRAC Settings utility
- Device Settings
- Dell Lifecycle Controller
- Boot Manager
- PXE boot
- PowerEdge R7425 installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Optional front bezel
- System cover
- Backplane cover
- Inside the system
- Air shroud
- Cooling fan assembly
- Cooling fans
- Intrusion switch
- Mid drive tray
- Removing the mid drive tray
- Installing the mid drive tray
- Removing drive blank from the mid drive carrier
- Installing drive blank into the mid drive carrier
- Removing the drive carrier from the mid drive tray
- Installing the drive carrier into the mid drive tray
- Removing a 3.5 inch drive from the 3.5 inch drive carrier
- Installing a 3.5 inch drive into the 3.5 inch drive carrier
- Removing a 2.5 inch drive from the 3.5 inch drive carrier
- Installing a 2.5 inch drive into the 3.5 inch drive carrier
- Drives
- Removing a drive blank
- Installing a drive blank
- Removing a drive carrier
- Installing a drive carrier
- Removing a 2.5 inch drive from the 3.5 inch drive adapter
- Installing a 2.5 inch drive into the 3.5 inch drive adapter
- Removing a 3.5 inch adapter from a 3.5 inch drive carrier
- Installing a 3.5 inch adapter into a 3.5 inch drive carrier
- Removing a drive from the drive carrier
- Installing a drive into the drive carrier
- Rear drive cage
- System memory
- Processors and heat sinks
- Expansion cards and expansion card risers
- Expansion card installation guidelines
- Opening and closing the PCIe card holder latch
- Removing expansion card from the expansion card riser
- Installing expansion card into the expansion card riser
- Removing the riser 2 and 3 blank
- Installing the riser 2 and 3 blank
- Removing the riser 3 blank
- Installing the riser 3 blank
- Removing the expansion card riser 1
- Installing the expansion card riser 1
- Removing the expansion card riser 2
- Installing the expansion card riser 2
- Removing the expansion card riser 3
- Installing the expansion card riser 3
- GPU card installation guidelines
- Removing a GPU
- Installing a GPU
- Optional MicroSD or vFlash card
- Optional IDSDM or vFlash module
- Network daughter card
- Drive backplane
- Drive backplane connectors
- Removing the drive backplane
- Installing the drive backplane
- Removing the mid drive tray backplane
- Installing the mid drive tray backplane
- Removing the 3.5 inch rear drive backplane
- Installing the 3.5 inch rear drive backplane
- Removing the 2.5 inch rear drive backplane
- Installing the 2.5 inch rear drive backplane
- Cable routing
- System battery
- USB 3.0 module
- Optional internal USB memory key
- Optional optical drive
- Power supply units
- Control panel
- System board
- Restore the service tag using Easy Restore
- Trusted Platform Module
- System diagnostics
- Jumpers and connectors
- Getting help
Dell EMC PowerEdge R7425 Installation and Service Manual
Installing the rear drive cage
The procedure for installing 2.5 inch and 3.5 inch rear drive cages is identical.
Prerequisites
Steps
- Align the screws on the drive cage with the screw holes on the system.
- Lower the drive cage into the system.
- Using a Phillips #2 screwdriver, tighten the screws to secure the
drive cage to the system.
Figure 1. Installing a 4 x 2.5 inch rear hard drive cage 
Figure 2. Installing a 2 x 3.5 inch rear hard drive cage 
Next steps
- Connect all the cables to the rear drive backplane.
- Install all the drives.
- Follow the procedure listed in After working inside your system.
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