Quick Specs Storage interface (SAS/SATA) External: 8 SAS/SATA physical links across 4 x2 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 72-bit wide DDR3-1866MHz Flash-Backed Write Cache (FBWC) provides up to 12.8GB/s maximum cache bandwidth 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) E SSD Smart Path Certified controller for Microsoft Storage Spaces 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 The HPE Smart Array P741m is a PCI-Express (PCIe) 3.0 mezzanine card supporting direct attached and shared storage for the HPE ProLiant Gen9 BladeSystem servers. It supports 12Gb/s level bandwidth and provides enterprise level reliability, connectivity, and storage performance for HPE Gen9 Blade servers through its support of the latest SCSI technology and advanced RAID capabilities. The P741m can support up to 227 zoned direct attached SAS or SATA drives, tape drives, and can connect to D3600, D3700, D6000, and D6020 Disk Enclosures. NOTE: HPE Smart Array P741m/2GB FBWC controller option kit does not include the HPE Smart Storage Battery that is used as the backup power source necessary to protect the data on the Flash-backed Write Cache. HPE Smart Storage Battery has to be purchased separately if this is the first P-class Smart Array controller on your Gen9 server.