the 6gb/s Megaraid Sas 9280-24i4e, With Twenty-four Internal And Four External Ports, Supports Both Internal Drive Storage And External Jbod Expansion For Up To 240 Sata Or Sas Drives. With A Large Number Of Internal Ports, The 9280-24i4e Connects Up To 24 Drives Inside The Server Via Direct Connection Or Passive Backplane. Using The External Sas Ports, Multiple Jbods Can Be Connected To A Server, Providing A Scalable And Affordable Solution For Growing Storage Requirements.