Ports: 8 External Drive Connectors: 2 x SFF-8644 [x4] Support up to 8GB DDR4-2666 cache SFF-9402 compliant connector pin-out Support read/write cache allocation by policy Support up to 32 NVMe drives using PCIe switch Redundant flash image for adapter availability UBM, SES2, SMP and SGPIO enclosure management Support up to (512) 12Gb/s SAS, SATA or SSD drives using SAS expanders Support optional cache backup module (CBM) protection using SuperCap Tri-mode interface at each drive ports-12Gb/s SAS/SATA/ Gen 4.0 PCIe (NVMe) Support RAID 1 - Multi Mirroring and Mirrored Pass-Through Disk Multiple RAID 0 and RAID 10 (1E) support (RAID 00 and RAID100) Controller level hardware encryption and self-encryption drive management Broad operating support including Windows, Linux, FreeBSD, macOS and VMware Support for SAS tape devices and transport layer retries (TLR) for error handling