34
CE7900 controller
tray
2 Gb/s or
4 Gb/s
480 DE6900
FC4600
Copper FC
cables,
fiber-optic FC
cables, or
copper iSCSI
cables
The 480 maximum number of drives is
possible only for a configuration with
eight DE6900 drive trays with no other
types of drive trays. There is a limit of
two expansion drive trays for each
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.
Product
Drive Port
Speeds
Maximum
Number of
Drives
Supported
Drive
Trays
Cable Type Notes
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