The HPE Smart Array P408e-p SR Gen 10 Controllersupporting 12 Gb/s SAS & PCIe 3.0is ideal for maximizing performance on externally attached drives while supporting advanced RAID levels with 4 GB flash-backed write cache (FBWC). This controller operates in Mixed Mode which combines RAID & HBA operations simultaneously. It has eight external SAS lanesallowing connection to externally attached SAS or SATA drivesand provides enterprise-class storage performancereliabilitysecurity & efficiency needed to address your evolving data storage needs. This controller offers enhanced security by encrypting data-at-rest on any drive with HPE Smart Array SR Secure Encryption. Storage interface (SAS/SATA)4 GB Flash-Backed Write Cache (FBWC)PCI Express 3.0 x 8 link RAID 0 1 5 6 10 50 60 1 ADM 10 ADM (Advanced Data Mirroring) Mixed Mode (RAID logic drives & HBA physical drives simultaneously) Legacy & UEFI boot operation UEFI System Utilities (storage configuration) Up to 238 physical drives Up to 64 logical drives HPE SSD Smart Path Rapid Parity Initialization (RPI) Rapid rebuild Drive Sanitize Performance Optimization-Degraded Reads & Read Coalescing Power efficiency Seamless upgrades from HPE Smart Array S-class & E-class controllers FIPS 140-2 Level 1 Implementation Under Test..