AOC-S3216L-L16IT-O Supermicro AOC-S3216L-L16IT 16 Channel PCIe 3.0 x8 Storage Controller

Low-Profile PCIe 3.0 SAS/SATA Storage HBA for direct-attached backplanes with the AOC-S3216L-L16IT-O

The AOC-S3216L-L16IT-O is a low-profile host bus adapter engineered for direct-attached SAS/SATA connectivity in rack servers where slot height and airflow constraints limit expansion options. Built on the Broadcom SAS3216 controller, it presents 16 SAS/SATA lanes for reliable attachment to internal backplanes and drive cages, providing predictable host-to-disk behavior without an onboard RAID layer.

With a PCIe 3.0 x8 host interface, the AOC-S3216L-L16IT-O is optimized for balanced throughput and deterministic latency in JBOD and software-defined storage designs. Mini-SAS HD internal ports simplify high-density cabling to SAS/SATA backplanes while keeping serviceability aligned with enterprise maintenance practices. As an HBA, the AOC-S3216L-L16IT-O is designed to expose drives cleanly to the operating system or platform RAID stack, making it well-suited to modern Linux, hypervisor, and SDS frameworks that expect direct device visibility and consistent error reporting.

Why Choose the AOC-S3216L-L16IT-O?

The AOC-S3216L-L16IT-O delivers a strong density-to-slot profile by concentrating 16 channels behind a low-profile PCIe 3.0 x8 interface, enabling scalable internal storage connectivity without consuming full-height expansion real estate. Its HBA-first approach supports repeatable deployments across clusters, simplifies lifecycle operations when using OS-managed RAID or JBOD, and maintains enterprise reliability for storage nodes, virtualization hosts, and capacity-focused rack platforms.

Supermicro designs expansion components to integrate cleanly with data centre standards, emphasizing validated interoperability, predictable firmware behavior, and long-term platform compatibility for fleet operations in controlled change-management environments.

Key Applications:

• JBOD storage nodes
• Software-defined storage (SDS)
• SAS/SATA backplane connectivity in low-profile servers
• Virtualization hosts requiring direct disk access
• Backup and archive servers

At Happyware - Server Hardware you benefit from non-binding offers tailored to your configuration and rollout plan for the AOC-S3216L-L16IT-O, plus an extended warranty of up to 6 years to secure long-term operation in production environments.