Supermicro AOC-USAS-S4IR - Intel IOP348 8CH SAS RAID Card, 128MB Cache, Pcie 533MHZ

Sunrise Lake USAS RAID controller built around the Intel IOP348 processor. Supports RAID 0, 1, 5 and 10 and connects over a PCI-E x8 interface. Offers eight SAS ports at 3Gb/s per port — arranged as 4 internal and 4 external connections. Includes 256MB DDR2 on-card cache with an optional battery back-up for cache protection.