120 Installing System Components• When the optional x16-link riser is installed, slot 4 is not available.• The expansion-card slots are not hot-swappable.• Besides the integrated storage controller, the system supports a maximumof two PERC or SAS controller expansion cards to manage externalstorage.CAUTION: To ensure proper cooling no more than two of the four expansion cardscan have a power consumption of greater than 15W (up to 25W maximum each),not including the integrated storage controller.• Table 3-1 provides a guide for installing expansion cards to ensure propercooling and mechanical fit. The expansion cards with the highest priorityshould be installed first using the slot priority indicated. All otherexpansion cards should be installed in card priority and slot priority order.Table 3-1. Expansion-Card Installation OrderInstalling an Expansion CardCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.CardPriority Card Type Slot PriorityMaxAllowedGreaterThan 15W?1 PERC 5/E controller 1,3,4 2 Y2 PERC 6/E controller 3,4,1 2 Y3 10 Gb NIC 3,4,1,2 2 Y4 All other Dell storage cards 3,4,1 2 Y5 All other NICs 1,2,3,4 41 N26 Non-Dell storage cards 1,2,3,4 41 N21 Maximum of 2 of any card whose maximum power exceeds 15W.2 Refer to the expansion card documentation to ensure that the maximum power does not exceed15W.
