Chip: LSISAS3408 control chip Bus: x8PCI Express 3.1 Memory: N/A Internal connection terminal: HDMini-SASSFF8643 × 2 (can directly connect 63 SAS/S) ATA device, or 24 NVMe devices) External connection terminal: N/A Disk array mode: RAID0, 1, 5, 10, 50 Data transmission rate: 12Gb/s (single port) Maximum supported devices: 63SAS/SATA hard drives and SSDs, or 24 NVMe hard drives Size 6.127 "x 2.712" (Low Profile) For detailed support of operating systems, please link www.lsi.com/support Choose battery backup module N/A Item) StorCLI (command line plain text interface) CTRL-R (BIOS Configuration Interface) HII (UEFI Humanized Interface) Warranty period of 3 years