The series 1 family of non-RAID Adaptec Unified Serial host bus adapters (HBAs) offers efficient, economical I/O with hard disk, tape & solid-state drives. This flexibility allows for use in cost-sensitive tape backup solutions or high-performance SSD environments. The Adaptec 1405 has a low-profile, MD2 form factor & utilizes an x 4 PCI-Express bus & SAS interface technology to provide 3 Gbps throughput & maximize I/O performance. Using SAS expanders, it can connect up to 128 SATA/SAS devices.