Tower installation (step 10 to 15):
10.Install the
11.Install the SAS or SATA hard drives in the drive trays as instructed in the previous section.
12.Insert the drive trays into the chassis and push the locking lever into place to secure it.
13.The expansion HDD numbering is indicated as below. Right to left: HDD9, HDD10, HDD11, HDD12
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