You need to install your HA pair in one or more NetApp system cabinets or in standard telco equipment racks. Each of these options has different requirements.
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HA pairs in an equipment rack
Depending on the amount of storage you ordered, you need to install the equipment in one or more telco-style equipment racks.
HA pairs in a system cabinet
Depending on the number of disk shelves, the HA pair you ordered arrives in a single system cabinet or multiple system cabinets.