The HPE Smart Array P416ie-m SR Gen10 Controller, supporting 12Gb/s SAS and PCIe 3.0 provides enterprise-class storage performance, reliability, security and efficiency needed to address your evolving data storage needs while supporting advanced RAID levels with 2 GB flash-backed write cache (FBWC). This controller operates in Mixed Mode which combines RAID and HBA operations simultaneously and offers enhanced security by encrypting data-at-rest on any drive with HPE Smart Array SR Secure Encryption. It has eight external SAS lanes, allowing connection to SAS or SATA drives in the HPE Synergy D3940, and eight internal SAS lanes, allowing connection to drives inside the HPE Synergy compute modules. The Gen10 controllers are supported by the HPE Smart Storage Battery, which supports multiple devices and is sold separately. SAS Controller is the single answer to all your desired storage needs 12Gb/s SAS controller type for maximum storage expansion efficiency and optimal usability 0 RAID level for faster, dependable read and write performance for maximum storage productivity The PCI Express 3.0 x8 interface provides smooth data transfer and outstanding performance Flash Backed Cache data backup type effectively secures your precious and valuable data in event of system shutdown or crash 2 GB cache memory for dependable, fast retrieval of information to ensure maximum convenience and usability Mezzanine form factor allows hassle-free and easy usage with increased efficiency SAS Controller allows you to store much more data and access files everywhere you want on the iOS platform