Siemens SIMATIC IPC627D Operating Instructions Manual page 127

Version 3 (IPC627D) has two PCIe slots.
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②
③
Version 4 (IPC827D) has three PCI and two PCIe slots.
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②
③
④
⑤
⑥
SIMATIC IPC627D/827D
Operating Instructions, 09/2014, A5E32990859-AB
Slot 1 PCI Express x4 (mechanical x16)
Slot 2 PCI Express x16
12V power supply connection
Slot 1 PCI
Slot 2 PCI
Slot 3 PCI
Slot 4 PCI Express x4 (mechanical x16)
Slot 5 PCI Express x16
12V power supply connection
Technical specifications
8.5 Hardware descriptions
127