APC SGI 15000 RAID - Manual (Page 143)

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Controller Technical Specifications
The following are the technical specifications of the SGI InfiniteStorage 15000 controller.
NOTE : Specifications subject to change without notice.
Configuration, Performance, & Capacity
Host interface IB 4xDDR, FC-8
Drive interface SAS
Management interface RS-232 and Ethernet (Telnet)
Cache memory 2.5GB
Independent drive channels 10
Number of host ports 4
Number of host connections Up to 512
Number of drives supported Up to 1200 (1000 drives for data)
Number of LUN groups supported Up to 1024
Hot spare capability Yes
Full duplex 10/100/1000 BaseT onboard Yes
Reliability
SES (SCSI Enclosure Services) protocol
support
Yes
Temperature monitoring Yes
Redundant hot-swappable power supplies 2
Redundant hot-swappable cooling fans 3