The Broadcom MegaRAID 9580-8i8e is a PCIe 4.0 x8 Tri-Mode RAID/storage adapter with 8 internal and 8 external ports. It supports SAS, SATA, and NVMe drives concurrently for high-performance, flexible server storage deployments.

It supports up to 240 SAS/SATA devices or up to 32 NVMe devices per controller, making it suitable for large-scale storage expansion in enterprise and data center environments.

Tri-Mode means the adapter can work with SAS, SATA, and NVMe drives at the same time. It automatically negotiates the required protocol and speed, helping users transition to newer storage technologies without replacing infrastructure.

The card provides 8 internal ports through 1 x8 SFF-8654 SlimSAS connector and 8 external ports through 2 x4 SFF-8644 connectors.