Pcie Slot Specifications; Rear Panel, Showing Pcie Slot Numbering - Cisco UCS C240 M5 Installation And Service Manual

Maintaining the Server

PCIe Slot Specifications

The server contains two toolless PCIe risers for horizontal installation of PCIe cards. Each riser is orderable
in multiple versions.
• Riser 1 contains PCIe slots 1, 2, and 3 and is available in two different options:
• Riser 2 contains PCIe slots 4, 5 and 6 and is available in four different options:
Figure 42: Rear Panel, Showing PCIe Slot Numbering
The following tables describe the specifications for the slots.
Table 5: PCIe Riser 1 (UCSC-PCI-1-C240M5) PCIe Expansion Slots
Slot Number Electrical Lane
Width
1 Gen-3 x8
2 Gen-3 x16
2
3 Gen-3 x8
Micro SD card One socket for Micro SD card on the top of the riser.
slot
◦Option 1—Slots 1 (x8), 2 (x16), and 3 (x8). Slots 1 and 2 are controlled by CPU 1; slot 3 is
controlled by CPU 2 and is unavailable in a single-CPU configuration.
◦Option 1B—Slots 1 (x8), 2 (x8), and 3 (x8). All slots are controlled by CPU 1.
◦Option 2A—Slots 4 (x16), 5 (x16), and 6 (x8).
◦Option 2B—With slots 4 (x8), 5 (x16), and 6 (x8); includes one PCIe cable connector for
rear-loading NVMe SSDs.
◦Option 2C—With slots 4 (x8), 5 (x8), and 6 (x8); includes one PCIe cable connector for rear-loading
NVMe SSDs, plus one PCIe cable connector for front-loading NVMe SSDs.
◦
Note
Connector Maximum Card
Length Length
x24 connector ¾ length
x24 connector Full length
x16 connector Full length
Card Height NCSI Support
(Rear Panel
Opening)
1
Full height Yes
Full height Yes
Full hight No
Cisco UCS C240 M5 Server Installation and Service Guide
Replacing a PCIe Card
GPU Card
Support
No
Yes
No
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