Riser card functions

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The riser card addresses the problem that functional modules (such as NICs, HBA cards, and graphics cards) cannot be directly installed on the mainboard due to space limits of a chassis (2 U or 4 U).
You insert the riser card into a slot (non-standard PCIe slot) on the mainboard. The riser card provides one or multiple standard PCIe slots for installing functional modules.
The riser card must be secured to the board by an iron case.
Functional modules can be in full-height, half-height, full-length, or half-length.

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Riser card functions
The riser card addresses the problem that functional modules (such as NICs, HBA cards, and graphics cards) cannot be directly installed on the mainboard due to space limits of a chassis (2 U or 4 U). You insert the riser card into a slot (non-standard PCIe slot) on the mainboard. The riser card provides one or multiple standard PCIe slots for installing functional modules. The riser card must be secured to the board by an iron case. Functional modules can be in full-height, half-height, full-length, or half-length.

What is the function of the half-height riser card tray in the RH2288 V3
A riser card tray secures the PCIe riser card.

What is the function of the full-height riser card tray in the RH1288 V3
A riser card tray secures the PCIe riser card.

What is the function of the full-height riser card tray in the RH2288 V3
A riser card tray secures the PCIe riser card.

Installation positions of the riser cards in a rack server
A rack server can be configured with only one riser card. For details about the installation position, see "Mainboard Layout" in the user guide of the server you use. Generally, the riser card must be installed in the PCIe slot blow the socket for CPU1.

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