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Chapter 3: Maintenance and Component Installation
3.8 Expansion Cards
The system has two PCIe 4.0 x16 LP slots on the motherboard tray and eight PCIe 4.0 x16
slots on the switch tray.
Note:
Expansion cards are recommended to be serviced by Supermicro due to the optimized
density of the 4U form factor.
Installing an Expansion Card in the Motherboard Tray
1. Power down the system and remove the motherboard tray as described in Section 3.1
and 3.2.
Figure 3-12. Expansion Bracket Release Tab
Release Tab
2. Rotate open both release tabs until the arrows point downward and remove the bracket
from the chassis.
3. Insert the expansion card(s) into the riser card slot(s) while aligning the rear PCI shield.
4. Replace the riser card into the motherboard expansion slot while aligning the bracket
into the chassis.
5. Rotate the release tab until the arrows point upward and clicks.
6. Replace the motherboard tray into the chassis.
