CPU1 CPU2
CPU3
Slimline slot 12 (PCIe x8)
AirMax slot 13 (PCIe x16)
SAS_HD_A
Slimline slot 14 (PCIe x8)
Slimline slot 15 (PCIe x8)
AirMax slot 16 (PCIe x16) 
SAS_HD_B
Slimline slot 17 (PCIe x8)
CPU0 / CPU1/CPU2/CPU3
DDR4 DIMM slots
Slimline slot 10 (PCIe x8)
Slimline slot 11 (PCIe x8)
SATA_HD_B
SATA_HD_A
Lithium battery power connector
Micro-USB connector (Serial signal) 
Power button
USB 3.0 port
Power / Status LED
ID LED
ID button
GbE RJ45 Management port
VGA port
MicroSD slot (for BMC SEL backup)
M.2 slot (x1)
OCP mezzanine slots
Riser slot 4 (x24)
Riser slot 3 (x32)
M.2 slot (x1)
TPM header
Riser slot 2 (x16)
Riser slot 1 (x24)