NetApp FC4600 Hardware Cabling Manual page 44

Drive Port
Product
Speeds
CE7900 controller 2 Gb/s or
tray
4 Gb/s
34
Maximum Supported
Number of Drive
Drives Trays
480 DE6900
FC4600
Cable Type
Copper FC The 480 maximum number of drives is
cables, possible only for a configuration with
fiber-optic FC eight DE6900 drive trays with no other
cables, or types of drive trays. There is a limit of
copper iSCSI two expansion drive trays for each
cables redundant pair of loops.
Up to 448 drives are possible when
FC4600 drive trays are used
exclusively. There is a limit of seven
expansion drive trays for each
redundant pair of loops.
Mixing drive tray types is supported.
The maximum number of drives for a
mixed configuration is 448.
With a CE7900 controller tray, FC4600
drive trays support solid-state drives
(SSDs). A drive tray can have both
SSDs and hard disk drives. The
maximum number of SSDs for the
storage array is 20.
Notes