Physical location
Slot
number
Form factor
Controlling
CPU
Slot electrical bandwidth/
Physical connector
Power
Length
Riser 2 on PEM for
4 socket
configuration
11
Full height
CPU4
PCIe GEN3 x16 (x16 connector) 75 W
10.5" (~3/4 length)
Riser 2 on PEM for
4 socket
configuration
12
Full height
CPU4
PCIe GEN3 x16 (x16 connector) 25 W
half length
Riser 2 on PEM for
4 socket
configuration
13
Full height
CPU4
PCIe GEN3 x16 (x16 connector) 25 W
half length
Networking and PCIe
23