lnternal 2.5": 2 ，

2.5"Hot-swap (Option): 2

3+1 Redundant, 4+1 Redundant(Option)

1 * Power Status , 4 * LAN Activity, 1 * UID Status , 

1 * HDD Status，1 Warning Status

Power On/Off, System Reset,  2 x USB 3.0

motherboard shall prevail

Middle: 2 x 8038(7500PWM) + 2 x 6038(Option)

Middle: 3 x 120 mm (T=38 mm)6500 PWM

Middle: 9 x 80 mm (T=38mm) >10000 PWM

PCIE 4.0 x 8 or PCIE 4.0 x 10

support GPU(Length: 360mm and below)

support GPU(Thickness: 62mm and below) x 8

support GPU(Length: 360mm and below)

support GPU(Thickness: 40mm and below) x 10