CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.Steps1. Align the tabs on the flex bay with the slots on the front of the chassis.2. Insert the flex bay into the chassis until the tabs click into place.3. Install the two screws to secure the flex bay to the chassis.Next stepsFollow the procedure listed in After working inside your system.Hard drivesYour system supports Enterprise-class hard drives, which are designed for 24x7 operating environment.Selecting the correct drive class will optimize quality, functionality, performance, and reliability of thehard drives.Due to industry advances, in some cases, the larger capacity drives have been changed to a larger sectorsize. The larger sector size can have impacts on operating systems and applications. For moreinformation about these hard drives, see the 512e and 4Kn Disk Formats whitepaper and 4K Sector HDDFAQ document at dell.com/poweredgemanuals.All hard drives are connected to the system board through the hard-drive backplane. Hard drives aresupplied in hot-swappable hard-drive carriers that fit in the hard-drive slots.CAUTION: Before attempting to remove or install a hard drive while the system is running, see thedocumentation for the storage controller card to ensure that the host adapter is configuredcorrectly to support hot-swap hard drive removal and insertion.CAUTION: Do not turn off or restart your system while the hard drive is being formatted. Doing socan cause a hard drive failure.Use only hard drives that have been tested and approved for use with the hard-drive backplane.When you format a hard drive, allow enough time for the formatting to be completed. Be aware thathigh-capacity hard drives can take a number of hours to format.Removing a hot swappable hard drive/SSDPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.1. Ensure that you read the Safety instructions.70