HP Smart Array P431 Controller User Manual
Page 12
Specifications 12
Feature
Description
Time required to
recharge battery or
capacitor pack
5 minutes or less
Duration of battery
or capacitor pack
backup
80 seconds
The battery or capacitor pack provides a sufficient
duration to transfer the cached data from DDR memory to
flash memory, where the data remains indefinitely or until
a controller retrieves the data.
Battery or
capacitor pack life
expectancy
More than 3 years
Drives
Supported drive
types†
•
3 Gb/s SAS
•
6 Gb/s SAS
•
3 Gb/s SATA
•
6 Gb/s SATA
•
12 Gb/s SAS
Not all servers or storage systems support all SAS or SATA
drive types. For product-specific drive support, see the
product QuickSpecs on the HP website
Maximum number
of logical drives
64
Maximum number
of physical drives
200
RAID levels
RAID 0, 1, 10, 5, 50, 6, 1 (ADM), and 10 (ADM)
Environmental
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%
*These dimensions exclude the board bracket.
**The 2 GiB cache module connects to a capacitor pack. The 4 GiB cache module connects to a battery pack.
†Not all servers support all drive types. For more information, see the server QuickSpecs on the HP website