The IBM ServeRAID M1115 (part 46C8928) is a PCIe 2.0 x8 RAID controller designed for IBM System x servers. It provides eight 6Gbps SAS/SATA ports with 512MB DDR3 cache, supporting RAID 0, 1, 10, 5, and 50. The low-profile form factor fits standard server slots, enabling mixed SAS and SATA drive configurations. Typical use cases include database servers, virtualization hosts, and general-purpose storage expansion requiring reliable mirroring, striping, or distributed parity protection. The controller's 48Gbps aggregate bandwidth accommodates moderate to high I/O workloads across multiple drives simultaneously.
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