BOSS-S1 is a simple RAID solution card designed specifically for booting a server's operating system. The card supports up to two 6 Gbps M.2 SATA drives. The BOSS-S1 adapter card has a x8 connector using PCIe gen 2.0 x2 lanes, available only in the low-profile and full-height form factors. The BOSS-S1 modular card has a dedicated slot in modular servers. 3JT49