The HPE Smart Array P440 Controller is a low-profile, PCIe3 x8, 12Gb/s SAS RAID controller that provides enterprise-class storage performance, increased internal storage scalability with SAS Expander Card, and data protection for HP ProLiant Gen9 rack and tower servers. The Gen9 family of controllers supports the HP Smart Storage Battery. With HP Smart Storage Battery, multiple Smart Array controllers are supported without needing additional backup power sources for each controller, resulting in simple upgrade process.

12 Gb/s SAS (1200 MB/s theoretical bandwidth per physical lane)

12 Gb/s SAS (1200 MB/s theoretical bandwidth per physical lane)

x8 12 Gb/s SAS physical links (compatible with 6 Gb/s SATA)

4 GiBytes 72-bit wide DDR3-1866 Flash Back Write Cache provides up to 14.9 GB/s maximum cache bandwidth

PCI Express Gen3 x8 link width

Read ahead caching

Write-back caching