Figure 6. 2U, No Drive Bays, Chassis Only Building Block (Intel® Server Chassis R2000Wfxxxx); Figure 7. 2U, 3.5" X 8 Drive Configuration (Intel® Server System R2308Wfxxxx); Figure 8. 2U, 3.5" X 12 Drive Configuration (Intel® Server System R2312Wfxxxx - Storage Configuration) - Intel R2000WF Configuration Manual