3Replace the expansion-card stabilizer. See "Installing the Expansion-Card Stabilizer" on page 65.

4Close the system. See "Closing the System" on page 46.

Expansion Cards

Expansion Card Installation Guidelines

Your system supports up to four PCIe Generation 2 cards. To identify the expansion slots, see Figure 6-1.

Observe the following notes and guidelines regarding the expansion-card slots:

The expansion-card slots are not hot-swappable.

PCI Express Generation 2 and Generation 1 expansion cards are supported in all slots.

Slot 2 supports full-length expansion cards; slots 1, 3, and 4 support half- length expansion cards.

The system supports up to two SAS or PERC expansion cards to manage external storage.

CAUTION: To ensure proper cooling, no more than two of the four expansion cards can have a power consumption of greater than 15 W (up to 25 W maximum each), not including the integrated storage controller card.

Table 3-1provides 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.

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Installing System Components

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Dell E11S manual Expansion Cards, Expansion Card Installation Guidelines