PCIe adapter and riser assembly replacement
Use this information to remove and install a riser assembly and PCIe adapter.
Riser cages vary by server rear configurations. This topic uses the riser 1 cage with three full-height (FH) slots 
as an example for illustration. The replacement procedure is the same for other riser cages.  
•  “Remove a PCIe adapter and riser assembly” on page 284
•  “Install a PCIe adapter and riser assembly” on page 286
Note: The server supports only one riser assembly with 7mm drive cage. To replace a 7mm drive cage, see 
“Rear 7mm drive backplane and drive cage replacement” on page 342.
Server rear configuration Riser 1 cage Riser 2 cage Riser 3 cage
Configuration with 8 PCIe 
slots
•  Type 1: 3FH riser cage
•  Type 2: 2FH + 7mm riser 
cage
•  Type 1: 3FH riser cage
•  Type 2: 2FH + 7mm riser 
cage
Type 3: 2FH riser cage
Configuration with a 4 x 
2.5-inch rear drive cage
•  Type 1: 3FH riser cage
•  Type 2: 2FH + 7mm riser 
cage
•  Type 1: 3FH riser cage
•  Type 2: 2FH + 7mm riser 
cage
282 ThinkSystem SR650 V2Maintenance Manual