The HPE Smart Array P440ar Controller is a Flexible Smart Array, 12Gb/s SAS RAID controller that provides enterprise-class storage performance, increased internal scalability with SAS Expander Card, and data protection for specific HPE ProLiant Gen9 rack and tower servers. It features eight internal physical links and delivers increased server uptime by providing advanced storage functionality, including online RAID level migration between any RAID levels with flash backed write cache (FBWC), global online spare, and pre-failure warning.
The Gen9 family of controllers supports the HPE Smart Storage Battery. With HPE Smart Storage Battery, multiple Smart Array controllers are supported without needing additional backup power sources for each controller, resulting in simple upgrade process.

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Device Type	Storage controller (RAID) - plug-in card
Bus Type	PCIe 3.0 x8
Interface	SATA 6Gb/s / SAS 12Gb/s
Data Transfer Rate	12 Gbit/s
Buffer Size	2 GB
Supported Devices	Disk array (RAID)
Channel Qty	26
RAID Level	RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, RAID 60, RAID 1 ADM, RAID 10 ADM
System Requirements	Microsoft Windows Server 2008 R2, Microsoft Windows Server 2008, VMware ESXi 5, Ubuntu 12.04, Microsoft Windows Server 2012, Oracle Solaris 11.1, Microsoft Windows Server 2012 R2, VMware vSphere 5.5, SuSE Linux Enterprise Server 11 SP3, VMware ESXi 5.5, Ubuntu 14.04, Red Hat Enterprise Linux 7
Dimensions (WxDxH)	3.05 cm x 10.4 cm x 13.5 cm
Weight	450 g