PCIe Riser Location and Differences
The PCIe riser that installs in PCIe slots 3 and 4 is different than the risers in
PCIe slots 1 and 2. The riser for slots 3 and 4 supports an M.2 mezzanine and two PCIe
cards: a standard PCIe card and the internal HBA card. Do not attempt to install the
PCIe riser for PCIe slots 3 and 4 in slots 1 or 2, and vice versa.
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1
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PCIe riser with installed PCIe card in slot 1 (This slot is
nonfunctional in single-processor systems.)
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2
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PCIe riser with installed PCIe card in slot 2
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3
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PCIe riser with M.2 mezzanine and installed cards (2) in slots 3
and 4 (the internal HBA card is installed in slot 4 of this
riser.)
Note -
This riser is different from the risers in slots 1 and
2.
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