Lenovo ThinkSystem SR645 Setup Manual page 26

Server model with ten 2.5-inch drive bays (backplane-less)
Table 9. Components on the front of the server
Callout
Diagnostics panel
1
External diagnostics connector (Reserved)
3
VGA connector (optional)
5
Pull-out information tab
7
Rack latch (left)
9
Note: For more information about each component, see "Front components overview" on page 25.
ThinkSystem SR645 Setup Guide
22
Callout
USB 3.1 Gen 1 connector
2
XClarity Controller USB connector
4
Rack latch (right)
6
Drive bay fillers (2+2)
8