The LENOVO ThinkSystem RAID 5350-8i is a high-performance, entry-level RAID adapter designed for small to medium business server environments requiring reliable and scalable storage solutions. Featuring the advanced Adaptec PM8222 SmartIOC 2100 controller, this PCIe 3.0 x8 low-profile card supports up to 8 internal SAS or SATA drives at 12 Gb/s speeds using two Mini-SAS HD x4 (SFF-8643) connectors. It combines basic RAID functionality (levels 0, 1, 10, 5) with HBA-like raw device support (JBOD mode), allowing users to run RAID arrays and raw devices concurrently in a flexible mixed mode.

Key capabilities include hot-swap drive support, compatibility with both HDD and SSD drives, and support for advanced RAID features such as global and dedicated hot spares, automatic/manual rebuilds, and configurable stripe sizes ranging from 16 KB to 1 MB. The cacheless design ensures streamlined performance with low power consumption, delivering up to 1.5 million IOPS for random 4 KB read operations. Fully integrated with Lenovo's management tools and maxView storage utilities, the RAID 5350-8i offers comprehensive monitoring and easy configuration.

Physically compact and compliant with industry standards, the adapter supports up to 64 arrays and logical drives, and works seamlessly with Lenovo server platforms to provide a robust, scalable, and efficient storage solution. It includes firmware and software support for SMART drive status, sector format support for 512e/512n/4K drives, and broad environmental and regulatory certifications.