LaCie 12big Rack Fibre 8 Technical SpecificationsUser Manual page 806.5. LaCie 12big Rack Fibre 8 RAID Controller Module SpecificationDimensions 209.55 mm width x 288.93 mm length x 38.1 mm height(8.25 inches x 11.375 inches x 1.5 inches)Speed ✦ Host Ports: two 8 Gbit/sec. Fibre Channel supporting 4 Gbit/sec. and 1 or 2 Gbit/sec. modes✦ Drive Ports: 3 Gbit/sec. SASMounting Rear, horizontalConnectors ✦ (2) SFP connectors for Host 0 and Host 1 Ports, to accommodate optical interconnects (LC to LCcable)✦ (1) 4 Lane SAS Expansion port✦ (1) RJ45, 10/100BaseT Ethernet port✦ (1) RS232 portPower Consumption 53 watts.6.6. Disk I/O Module SpecificationDimensions (internal) 209.55 mm x 288.93 mm x 38.1 mm(8.25 inches x 11.375 inches x 1.5 inches)Connectors ✦ (1) 4 Lane SAS Host Port (IN)✦ (1) 4 Lane SAS Expansion Port (OUT)✦ (1) 4 Lane SAS Expansion Port (FACTORY USE ONLY)Mounting Rear, horizontalPower Consumption 25 watts