Technical rules for PCIe adapters
Understanding
Type of PCIe adapters supported for different models
Server models Supported types and slot location
Server models with 
three PCIe slots
Riser 1 assembly 
•  Slot 1: PCIe x16 (x8, x4, x1), low-profile
•  Slot 2: PCIe x16 (x8, x4, x1), low-profile
Riser 2 assembly 
•  Slot 3: PCIe x16 (x8, x4, x1), low-profile
Server models with two 
PCIe slots
Riser 1 assembly 
•  Slot 1: PCIe x16 (x8, x4, x1), low-profile
•  Slot 2: PCIe x16 (x8, x4, x1), full-height
Note: One rearwall bracket must be installed next to the two PCIe slots.
Server models with two 
hot-swap 7mm drive 
bays and two PCIe slots
Riser 1 assembly 
•  Slot 1: PCIe x16 (x8, x4, x1), low-profile
•  Slot 2: PCIe x16 (x8, x4, x1), low-profile
Server models with two 
hot-swap 2.5-inch drive 
bays and one PCIe slot
Riser 1 assembly 
•  Slot 1: PCIe x16 (x8, x4, x1), low-profile
Chapter 4. Server hardware setup 101