The Lenovo ThinkSystem 4350-8i and 4350-16i SAS/SATA 12Gb HBAs are high performance host bus adapters manufactured by Lenovo for internal storage connectivity in ThinkSystem servers. They integrate the latest SAS technology and offer eight or 16 lanes of 12 Gbps SAS. With a low-profile form-factor design, these adapters offers two or four x4 internal mini-SAS HD connectors.