The Cisco UCS C125 M5 Compute Node, part of the UCS C4200 series chassis, is a high-density server designed for flexible and scalable compute power. It includes several external features for modularity and expandability, particularly to support data center operations requiring high performance.
Option A - PCIe Risers:
PCIe risers are commonly found in standard rack servers to expand PCIe slots for additional hardware. However, in the compact UCS C125 M5 Compute Node, PCIe risers are not a feature as these nodes are specifically designed for high-density environments where expansion slots are limited to conserve space.
Option B - USB 3.0 port:
Correct: The UCS C125 M5 Compute Node includes USB 3.0 ports as part of its external features. These ports allow for quick access to peripheral devices, such as USB drives for quick firmware updates or temporary local storage needs.
Option C - Supercap unit:
The Supercap unit (Super Capacitor) is an internal component rather than an external feature. It is commonly used in some UCS servers to support RAID controller cache, but it is not an external feature of the UCS C125 M5.
Option D - SD card slots:
SD card slots are generally found in standalone servers for booting hypervisors or lightweight operating systems. However, the UCS C125 M5 Compute Node typically does not include SD card slots as an external feature.
Option E - SAS/SATA drives:
Correct: The UCS C125 M5 Compute Node supports SAS and SATA drives as an external feature. Each node can be equipped with 2.5-inch SAS or SATA drives, allowing for sufficient storage capacity to meet various workload requirements. This feature enables flexible storage configurations, including support for direct-attached storage to each compute node.
Cisco Datacenter Networking Device Reference:
Cisco UCS C125 M5 Compute Node: Designed for modular scalability, the C125 M5 Compute Node includes USB 3.0 ports for peripheral connectivity and supports multiple 2.5-inch SAS or SATA drives for storage needs.
Cisco UCS C4200 Chassis: This 2U chassis houses multiple C125 M5 nodes, allowing each node to connect to external drives while maintaining high-density compute power for various data center applications.
In summary, options B and E accurately describe the external features of the Cisco UCS C125 M5 Compute Node, which includes USB 3.0 ports and support for SAS/SATA drives to enable flexible peripheral and storage configurations.