Lenovo storage D1212 LFF disk expansion HDDs sold separately (max. 12x 8.9 cm HDD) Supported hard drives: - 400 GB SAS SSDs (3 DWD and 10 DWD) (hybrid tray - 6.4 cm (2.5") hard drive in 8.9 cm (3.5") tray) - 900 GB 10K rpm SAS HDD (hybrid tray - 6.4 cm (2.5") hard drive in 8.9 cm (3.5") tray) - 2 TB, 4 TB, 6 TB, 8 TB, and 10 TB 7.2K rpm NL SAS HDDs - 4 TB 7.2K rpm NL SAS SED HDD Redundant fan: Yes Redundant power supply: 2x 580 W Hot-Swap Required rack space: 2 U RAID 0, 1, 10,5, 50// optional: 6, 60 Includes: 2x 1.5 m C13 - C14 power cable