Lenovo RAID 940-16I 8GB Flash PCIe 4.0 x8 | RAID Controller, Enterprise

Keep storage performance consistent when workloads intensify. The Lenovo RAID 940-16I 8GB Flash is a PCIe 4.0 RAID controller designed for server environments that need fast access, resilient caching, and dependable array management across SAS drive deployments. Its 8 GB flash-backed cache helps preserve write performance during bursts and protects cached data in the event of power interruption, which is exactly what matters in transactional systems, virtualization hosts, and storage-dense servers. With 12 Gb/s SAS support and PCIe 4.0 x8 host connectivity, the controller is built to move data efficiently between the server and attached drives. This is the kind of controller that earns its place in production infrastructure: it supports demanding storage layouts, reduces the risk of performance collapse under load, and gives administrators a controller architecture suited to enterprise uptime expectations. For teams standardizing on ThinkSystem platforms, it offers a clear path to higher-confidence RAID deployment.