* Host: MCIO(4i) x 12, Slimline (SFF-8654 4i) x 3 for SAS/SATA transfer rates. HDD: SAS/SATA/NVMe x 12. * Host: Mini-SAS HD (SFF-8643) x 3, Slimline (SFF-8654 8i) x 2. HDD: SAS/SATA x 12 or SAS/SATA x 8 and NVMe SSD x 4. * Host: Mini-SAS HD (SFF-8643) x 3. HDD: SAS/SATA x 12.