Scale external storage without adding controller complexity. The Western Digital PLATFORM CRU HBA Broadcom 9500-16E delivers 16 external ports for SAS and SATA attachment, giving enterprise teams the connectivity density needed for expansion shelves, direct-attached storage, and modular storage platforms. Built on Broadcom’s 9500 family and PCIe 4.0 x8 host connectivity, this HBA is designed for environments where bandwidth and port count matter. It supports high-speed external storage access while keeping the architecture straightforward: no RAID abstraction, no unnecessary layers, just direct device connectivity for predictable performance and easier troubleshooting. That makes it a strong fit for storage arrays, backup targets, and server platforms that need to grow without replacing the underlying infrastructure. The 16E configuration is especially useful when consolidating multiple external enclosures or standardizing on a single adapter across dense deployments. For teams comparing lower-port-count options, this model offers more attachment headroom and fewer adapter swaps as storage footprints expand.