5.
Backplane: 6Gb/s data channel (optional 12Gb/s), compatible with Sata and SAS hard disks, with PWM fan speed control and SGPIO function, support for Expander expansion, with hard disk time-sharing startup
6. Support standard 2U power supply, PS2 power supply and CRPS redundant power supply.
7. 7 full-height PCI/PCIE expansion slots
8. Can install various motherboards of 12* 10.5 inches and below
9. 2 front USB 2.0 ports