CX2550/60/70 M4 Upgrade and Maintenance Manual 111
Expansion cards and OCP mezzanine cards
CX2570 M4
Pos. Slot Type Mechanical
connector
Electrical
connector
1
PCIe connector for GPGPU /
SXM tray (CPU1) or PCIe Slot 2
(CPU1)
PCI Gen3 x16 X16
2
PCIe connector for GPGPU /
SXM tray (CPU2)
PCI Gen3 x16 X16
3
PCIe connector for GPGPU /
SXM tray (CPU1)
PCI Gen3 x16 X16
4 OCP connector Type B PCI Gen3 x8 X8
5 OCP connector Type C PCI Gen3 x8 X8
6 OCP connector Type A PCI Gen3 x8 X8
7 PCIe slot 1 (to CPU2) PCI Gen3 x16 X16