| 
 
 2-Slot PCI Express Riser
 
| 501-7964 | 541-2884 |  
| x8/x8 PCI Express 2.0 Riser 
 | PCI Express Riser FRU 501-7964 + Bracket 541-2531
 
 |  
| 511-1139 | 541-3356 |  
| x8/x8 Switched PCI Express 2.0 Riser 
 | PCI Express Riser FRU 511-1139 + Bracket 541-2531
 
 |  
 
| x8/x8 PCI Express 2.0 Riser 501-7964 |  
|  |  | 
 |   
| x8/x8 Switched PCI Express 2.0 Riser 511-1139 |  
|  |  
 
| Sun Fire X4270 Codename: Lynx 2U Elwood Sun Fire X4270 M2 Codename: Lynx 2U (Hyde+)
 Sun Fire X4275 Codename: Lynx 2U Hyde
 Oracle Exadata V2 Codename: Quicksilver
 Oracle Exadata X2-2 Codename: EX2-2 (Plus)
 Oracle Exadata X2-8 Codename: EX2-8 (Plus-Plus)
 Sun ZFS Storage 7120 Codename: Amber Road (Iwashi+)
 |  Notes
One x8 PCI Express Riser is installed in Slot 0/3.
Two x8 Switched PCI Express Risers are installed in Slots 1/4 and Slot 2/5.
Slot 0 is electrically sixteen lanes wide when a one slot x16 riser is installed. 
Slot 0/3 is electrically eight lanes wide when a two slot x8 riser is installed.
Slots 1/4 and 2/5 are electrically eight lanes wide.
 References
 Sun Fire X4170/X4270 Installation Guide, 820-5827. Sun Fire X4170/X4270 Service Manual, 820-5830. Sun Fire X4170/X4270 Product Notes, 820-5831. Sun Fire X4170 M2 and X4270 M2 Installation Guide, 821-0481. Sun Fire X4270 M2 Service Manual , 821-0488.  Sun Fire X4170 M2 and X4270 M2 Product Notes, 821-0482. 
 |