Removing The Hard-Drive Backplane - Dell PE R720XD Owner's Manual

3.5 inch (x8) SAS/SATA backplane or
no backplane
PowerEdge R720xd 2.5 inch (x24) SAS/SATA backplane and optional 2.5 inch (x2) SAS/SSD backplane (back) or
supports
3.5 inch (x12) SAS/SATA backplane and optional 2.5 inch (x2) SAS/SSD backplane (back)

Removing The Hard-Drive Backplane

CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1. If installed, remove the front bezel
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system.
CAUTION: To prevent damage to the drives and backplane, you must remove the hard drives from the system
before removing the backplane.
CAUTION: You must note the number of each hard drive and temporarily label them before removal so that you can
replace them in the same locations.
4. Remove the cooling shroud.
5. Remove the cooling-fan assembly.
6. Remove all hard drives.
7. Disconnect the SAS/SATA/SSD data, signal, and power cable(s) from the backplane.
8. Press the release tabs and slide the backplane upward.
Figure 53. Removing and Installing the 3.5 Inch (x8) SAS/SATA Backplane—PowerEdge R720
1. release tabs (2) 2. SAS A cable
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