Riser 3/4 cage
This section provides cable routing information for the riser 3/4 cage, which provide four low-profile (4LP) 
PCIe slots.
The following illustration shows the 4LP PCIe riser 3/4 cage. The riser card types vary by server model. For 
detailed information, see 
“PCIe slots and PCIe adapters” on page 54. 
306 ThinkSystem SR665 V3 User Guide