The LSI Adapter SAS 3000 series 4-port with 1064E is a specific model of a Serial Attached SCSI (SAS) controller card manufactured by LSI Corporation (now part of Broadcom). It allows a system to connect and manage multiple SAS or SATA drives via a high-speed interface. The 1064E refers to a specific chipset model within this series, which provides the functionality to handle up to 4 SAS or SATA devices simultaneously.

The card is typically used in servers, workstations, or other systems requiring high-performance storage solutions. The 1064E chipset is specifically designed for SAS RAID (Redundant Array of Independent Disks) operations, providing enterprise-level features like RAID 0, 1, 10, and sometimes RAID 5 or 6, depending on the software configuration.