PCIe slots and adapters
Understanding the technical rules for PCIe adapters helps you correctly install and configure PCIe adapters in the system.
PCIe adapters supported for different models
Server rear view | Supported types and slot location |
---|---|
![]() | Riser 1 assembly
|
Riser 2 assembly
| |
![]() | Riser 1 assembly
Note One rear wall bracket must be installed next to the two PCIe slots. |
PCIe adapter installation rules and order
When installing different types of PCIe adapters, refer to the following suggested installation priority:
Installation priority | |
---|---|
1. OCP module | 3. Standard form factor (SFF) RAID/HBA adapter |
2. Custom form factor (CFF) internal HBA/RAID adapter | 4. Network adapter |
Supported PCIe adapters and slot priorities
The following table lists the recommended slot installation priority for common PCIe adapters.
PCIe adapter | Maximum supported | Suggested slot priority |
---|---|---|
Internal SFF RAID/HBA adapter | ||
ThinkSystem RAID 940-16i 4GB Flash PCIe Gen4 12Gb Adapter | 1 |
|
NIC adapter | ||
ThinkSystem Mellanox ConnectX-6 Lx 10/25GbE SFP28 2-port PCIe Ethernet Adapter ThinkSystem Broadcom 57414 10/25GbE SFP28 2-port PCIe Ethernet Adapter ThinkSystem Broadcom 5719 1GbE RJ45 4-port PCIe Ethernet Adapter | 3 |
|
ThinkSystem Mellanox ConnectX-6 Dx 100GbE QSFP56 2-port PCIe Ethernet Adapter | 3 |
|
RAID 940 series adapters require a RAID flash power module.