Lenovo ThinkSystem SR635 V3 - Page 61

Table 24. PCIe adapters supported and their locations (continued)
Server rear view Supported types and slot location
Riser 1 assembly
• Slot 1: PCIe x16 (x8, x4, x1), low-profile
Riser 1 assembly
• Slot 1: PCIe x16 (x8, x4, x1), low-profile
Riser 2 assembly
• Slot 3: PCIe x16 (x8, x4), full-height
PCIe adapter installation rules and order
When installing different types of PCIe adapters, refer to the following suggested installation priority:
Table 25. Recommended installation priority for different types of PCIe adapters
Installation priority
1. OCP module 6. InfiniBand adapter
2. Custom form factor (CFF) internal HBA/RAID adapter 7. Fiber channel adapter
3. Standard form factor (SFF) RAID adapter
8. Network adapter
4. SFF internal HBA adapter
9. External storage controller
5. GPU adapter 10. COM port bracket
note
Note: When a COM port card is installed, it will occupy one PCIe slot (slot 3) and requires a low-profile riser
bracket. See
“Riser card replacement” on page 176 for details about riser brackets.
Recommended slot installation priority for PCIe adapters
When installing a specific PCIe adapter, refer to the following suggested slot installation priority:
Table 26. Recommended slot installation priority for PCIe adapters
Recommended slot
installation priority
PCIe adapters Maximum
supported
number
Must be installed in slot 1
SFF Internal RAID/HBA adapters
1
Slot 1 > Slot 3 InfiniBand Adapter: ThinkSystem Nvidia ConnectX-7 NDR
OSFP400 1-port PCIe Gen5 x16 InfiniBand Adapter
2
Slot 1 > Slot 2 M.2/7mm RAID adapters
1
Slot 2> Slot 3 Network adapter: ThinkSystem Broadcom 57504 10/25GbE
SFP28 4-Port PCIe Ethernet Adapter
2
Slot 1> Slot 2> Slot 3
• GPU adapters
• Network adapters except the following adapter:
ThinkSystem Broadcom 57504 10/25GbE SFP28 4-Port
PCIe Ethernet Adapter
• Fiber channel adapters
• External storage adapters
3
Chapter 5. Hardware replacement procedures 51