Microchip (formerly Adaptec/Microsemi) HBA 1100-16e, a high-performance SAS/SATA Host Bus Adapter (HBA) used for enterprise storage connectivity. I’ll break it down below, mapping the codes to likely product specs, labels, or manufacturing details. This model is part of the Adaptec HBA 1100 series, optimized for data centers with support for 12 Gbps SAS/SATA drives.

Key Product Specifications

• Model: HBA 1100-16e (16 external ports)

• Form Factor: Low-profile MD2 (PCIe Gen3 x8)

• Connectivity: 16 external SAS/SATA ports via 4x HD-MiniSAS (SFF-8644) connectors

• Controller: PM8222 8x12G SmartIOC 2100

• Max Throughput: Up to 4.5 GB/s per port; supports SMR HDDs, SSDs, and software-defined storage (e.g., vSAN, Ceph)

• Power Efficiency: >40% savings vs. previous generations

• OS Support: Windows, Linux, VMware, etc. (drivers available from Microchip)

• Part Number: 2293600-R (standard OEM/distributor code for this model)