Table 1. Specifications, Type 7D8J and 7D8K (continued)
Specification
Description
Integrated functions The server supports nine universal serial bus (USB) connectors 
•  On the front of the server
–  One USB 3.2 Gen 1 Type C port
–  Two USB 3.2 Gen 1 ports
–  Two USB 3.2 Gen 2 ports
•  On the rear of the server
–  Four USB 3.2 Gen 1 ports
Notes: 
•  USB 3.2 Gen 1: 5 Gbps = 640 MB/s
•  USB 3.2 Gen 2: 10 Gbps = 1280 MB/s
Connectors and button on the front of the server 
•  Power button with LED
•  One Mic-in connector*
•  One combo audio jack connector*
Connectors and port on the rear of the server 
•  One 1 GbE RJ-45 Ethernet connector with Intel I219-LM
•  Two DisplayPort connectors (4K/ 60MHz)
†
•  One serial connector
•  One audio line-out port*
Note: 
* Supported by Windows Client OS only.
† Supported by processor with integrated graphic feature only. See the “Processor” 
section at 
“Specifications” on page 2 for more information.
Network 
•  One 1 GbE RJ-45 Ethernet connector with Intel I219-LM. See 
“Rear view” on page 
14
.
•  Supports up to two network adapters.
Note: 
For PXE boot application (Preboot eXecution Environment), it is recommended to install 
a PXE boot supporting Ethernet adapter for best performance.
For a list of supported network adapters, see 
https://static.lenovo.com/us/en/ 
serverproven/index.shtml
.
4 ThinkSystem ST50 V2 Maintenance Manual