Installing System Components 91
• All the slots are x8 connectors.
  CAUTION: To ensure proper cooling, only one of the two expansion cards 
can have a power consumption of greater than 15 W (up to 25 W maximum), 
not including the integrated storage controller. 
• Table 3-4 provides a guide for installing expansion cards to ensure proper 
cooling and mechanical fit. The expansion cards with the highest priority 
should be installed first using the slot priority indicated. All other 
expansion cards should be installed in card priority and slot priority order.
Table 3-3. Expansion-Card Installation Priority for Riser 1
Card 
Priority Card Type
Slot 
Priority
Max 
Allowed
25-W 
Card
1 PERC S300/S100 1, 2 2 Y
2 PERC H800 3, 2 2 Y
3 PERC 6/E controller 3, 2 2 Y
4 SAS 5/E 3, 2 2 Y
5 SCSI controllers 3, 2 2 Y
6HPCC 2, 12Y
7 Fibre Channel 2, 1 2 Y
8 10 Gb NIC 2, 1 2 Y
9 All other NICs 1, 2 2 N
10 All other Dell internal 
storage cards
41Y
11 Non-Dell storage cards 1, 2 2 N*
*
 When available
book.book  Page 91  Wednesday, March 3, 2010  10:37 AM