Lenovo ThinkSystem RAID 9350-8i Adapter is a high-performance internal RAID controller designed to enhance server storage reliability and speed. Featuring a PCI Express 3.0 x8 host interface, this adapter supports up to eight internal SAS or SATA drives with blazing 12 Gbps SAS and 6 Gbps SATA throughput. Equipped with 2 GB of flash-backed cache, it ensures data integrity and fast cache recovery, ideal for enterprise-grade storage solutions.

The RAID 9350-8i supports extensive RAID levels including 0, 1, 5, 6, 10, 50, 60, plus RAID 1 Triple and RAID 10 Triple configurations, making it adaptable to varied redundancy and performance needs. Advanced features such as RAID level migration, online capacity expansion, quick and background initialization enhance flexibility and uptime.

High availability is guaranteed with support for hot-plug drives, various hot spare configurations (global, dedicated, pooled), auto/manual rebuild, and copyback hot spares. Logical drive sizes exceeding 2 TB and configurable stripe sizes (16 KB to 1 MB) empower scalable storage solutions.

The adapter includes Smart PQI drivers with multi-queue and MSI-X support, along with secure boot capabilities compatible with supported OS. The low-profile form factor and dual mini-SAS HD (SFF-8643) connectors integrate seamlessly into Lenovo ThinkSystem servers such as SR630, SR650, ST250, and more.

For businesses seeking reliable, scalable, and flexible RAID storage, the Lenovo ThinkSystem RAID 9350-8i offers enterprise-grade performance and resilient data protection in a compact PCIe package.

[More details and official product page](https://www.lenovo.com/us/en/p/other-server-storage/backplane-/-raid-kits_raid-options-server/4y37a72483)