The HPE Smart Array P840ar Controller is a flexible Smart Array 12 Gb/s Serial Attached SCSI (SAS), PCI-Express (PCIe) 3.0 x8 RAID controller that provides enterprise-class storage performance, increased internal scalability, and data protection for HPE ProLiant DL360 and DL380 Gen9 rack servers. It features 16 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 alert. This controller supports 16 drives without need for the SAS Expander Card providing point to point connectivity to SSDs for lower latency. The HPE Smart Array P840ar Controller supports HPE Secure Encryption and also supports the HPE Smart Storage Battery, which allows multiple Smart Array controllers to be supported.

QuickSpecs

HPE Quickspecs

Open Link

Generic

Key Features	• Storage Interface (sas/sata) - 16 Physical Links Across 2 X8 Internal Ports - 12gb/s Sas, 6gb/s Sata Technology - Mix-and-match Sas And Sata Drives To The Same Controller - Support For Sas Tape Drives, Sas Tape Autoloaders And Sas Tape Libraries • 2 Gibytes Flash-backed Write Cache (fbwc) • Pci Express Gen3 X8 Link • Raid 0, 1, 10, 5, 50, 6, 60, 10 Adm (advanced Data Mirroring) • Raid Or Hba Mode • Legacy And Uefi Boot Operation • Up To 200 Physical Drives • Up To 64 Logical Drives • Hpe Smartcache (license Included) • Hpe Secure Encryption (optional License) • Hpe Ssd Smart Path • Vmware Virtual San Certified • Rapid Parity Initialization (rpi) • Rapid Rebuild • Drive Erase • Performance Optimization-degraded Reads And Read Coalescing • Power Efficiency • Seamless Upgrades To And From Other Hpe Smart Array Controllers • Recovery Rom To Protect Against Controller Rom Corruption • Full-height, Half-length Low-profile Pci Express Form Factor
Ports	Internal: 16 Sas/sata Physical Links Across 2 X8 Ports
Performance	• 12gb/s Sas (1200 Mb/s Theoretical Bandwidth Per Physical Lane) • 6gb/s Sata (600 Mb/s Theoretical Bandwidth Per Physical Lane) • Pci Express Gen3 X8 Link Width • 2 Gibytes 72-bit Wide Ddr3-1866 Flash Back Write Cache Provides Up To 14.9gb/s Maximum Cache Bandwidth • Read Ahead Caching • Write-back Caching
Servers Supported	• Hpe Proliant Dl380 Gen9 • Hpe Proliant Dl360 Gen9
Operating Systems	• Microsoft Windows Server • Microsoft Windows Hyper-v Server • Vmware Vsphere Esxi • Red Hat Enterprise Linux (rhel) • Suse Linux Enterprise Server (sles) • Oracle Solaris • Oracle Linux • Canonical Ubuntu • Centos • Wind River • Citrix Xenserver