HP 381513-B21 HP Smart Array Controllers for HP Integrity Servers User Guide - Page 7

Item ID 1 2 3 4 5 6 7 Description Connector for mini-SAS ports 1E and 2E (external), each 4x wide Heartbeat LED (flashes green when operating normally and amber if the board has failed) Activity LED for external ports SAS port 3I (internal), 4x wide SAS port 4I (internal), 4x wide Cache module (also known as array accelerator) (Optional) Batteries for cache module Two batteries are normally sufficient, but you can add a third battery to provide extra security against loss of system power. Summary of controller features and capabilities This section describes the most commonly referenced controller features. For other features, specifications, and information about system requirements, see the HP website (http://www.hp.com/products/smartarray). To get the full benefit of all controller features, be sure that the controller is loaded with the latest firmware. Features common to all controller models Feature Details Temperature range Operating, 10° to 55°C (50° to 131°F) Storage, -30° to 60°C (-22° to 140°F) Relative humidity (noncondensing) Operating, 10% to 90% Storage, 5% to 90% Time required to recharge battery* From 15 minutes to 2 hours, depending on the initial battery charge level Duration of battery backup* If the battery is fully charged and less than 3 years old, more than 2 days Battery life expectancy* More than 3 years PCIe transfer rate Up to 2 GB/s in each direction SAS transfer rate 1.2 GB/s for each wide port at peak bandwidth Drive types supported 3.0 Gb/s SAS or 1.5 Gb/s SATA hard drives. Also supports OBDR tape drives. For more information about OBDR, see the HP website (http://www.hp.com/go/obdr). Maximum logical drive size 8 ZB (8 x 1021 bytes) Maximum number of physical devices 255 (total of hard drives, expanders, and SEPs) Maximum number of logical 64 drives *For controllers that use battery-backed write cache. Hardware features 7