Owners Manual

Table 27. Riser configurations with greater than 4 PCIe slots [Riser configuration 3 (1A+2A),
4 (1A+2A+3A), Riser configuration 5 (1B+2A+3A), Riser configuration 6 (1D+2A+3A) and Riser
configuration 9 (1A+2D+3A), Riser configuration 15 (1A+2E+3B), Riser Configuration 16 (1D+2A+3A), and
Riser configuration 17 (1A+2F+3B)] (continued)
Card Type Slot priority Configuration Maximum number of cards
7, 2, 3, 5, 1, 8, 4 1D+2A+3A 1
7, 5, 1, 8 1A+2D+3A 1
BOSS LP 6 All 1
NOTE: For information about slot form factor, see the Expansion card riser configurations table.
NOTE: The expansion card slots are not hot-swappable.
NOTE: Riser configuration 9 supports both double width GPUs and single width GPUs. Double width GPUs are supported
only on riser configuration 4, and single width GPUs are supported only on riser configuration 6.
NOTE: Ensure that x16 cards are installed only in x16 slots. Depending on the riser configuration slots 2, 7, or 8 may not be
available.
NOTE: Only half length PCIe cards are supported on riser 2 when NVDIMM-Ns with NVDIMM-N battery are installed on the
air shroud.
NOTE: For 24x2.5 inch 24 NVMe drive configuration, the PCIe bridge cards must be installed in slots 3 and 4.
Opening and closing the PCIe card holder latch
Before installing or removing a full length PCIe card, the PCIe card holder latch must be closed. When the full length PCIe card
is installed, open the PCIe card holder latch.
Prerequisites
1. Follow the safety guidelines listed in Safety instructions.
2. Follow the procedure listed in Before working inside your system.
Steps
1. To open the PCIe card holder latch, press the release tab.
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Installing and removing system components