• Power Tray
Each tray has a guide rail on each side of the chassis interior so that each tray can slide into and out of the
chassis easily. Trays are keyed so that they cannot be installed the wrong way. Each tray has a different
physical dimension from the others, so trays cannot be inserted into an incorrect location in the chassis.
CPU Tray
The CPU Tray contains the compute and network functions of the server.
Figure 3: CPU Tray
DescriptionItem
Network Connectivity slots for north-south traffic
support one NVIDIA Bluefield-3 B3220 DPU for
connectivity to upstream or downstream peer devices.
1
Network connectivity slots for east-west traffic
support up to NVIDIA Bluefield-3 B3140H SuperNIC
or 8 x ConnectX-7 NICs for GPU-to-GPU
communication.
2
CPU Tray Redundant Power Supply Units. Two 2700
Watt PSUs are supported with 1+1 PSU redundancy.
The minimum number of PSUs for the CPU tray is
one, but with only one PSU, the server might throttle
down traffic. With only one CPU, no fault tolerance
is available.
3
Cisco UCS C885A M8 Server Installation and Service Guide
8
Overview
External Features
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