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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Part Numbers	749796-001, 726738-001
Product Line	ProLiant
Model	P440AR
Model:	P440AR
Form Factor	Internal (No Bracket)
Memory (RAM):	2GB FBWC
RAID Levels	RAID 0, 1, 10, 5, 50, 6, 60, 10 ADM (Advanced Data Mirroring)
Interface:	Daughter Board
Interface Ports:	2 x Mini SAS
Compatible With	HPE ProLiant DL380 Gen9, DL560 Gen9, ML350 Gen9 (Also compatible with DL360 Gen9 with no additional expansion cards)
Brand	HP
RAID Cache	2 GB
Card Form Factor	Internal (No PCIe Bracket)
Compatible Port	Flexible
Number of Ports	2 Ports
Internal Interfaces	Mini-SAS (SFF-8087)
RAID Levels	0, 1, 5, 6, 10, 50, 60
Card Type	RAID Controller Card