Rear view with four 2.5-inch rear drive bays and six PCIe slots
Table 15.  Components on the rear of the server
Callout Callout
1  “PCIe slots” on page 27 2  “Rear 2.5-inch drive bays (4)” on page 28
3  “Power supply units” on page 28 4  “NMI button” on page 28
5  “USB 3 (5 Gbps) connectors (3)” on page 28 6  “VGA connector” on page 28
7  “XCC system management port” on page 28 8  “Ethernet connectors on OCP module (optional)” on 
page 28
Rear view with eight 2.5-inch rear drive bays and four PCIe slots
Table 16.  Components on the rear of the server
Callout Callout
1  “PCIe slots” on page 27 2  “Rear 2.5-inch drive bays (8)” on page 28
3  “Power supply units” on page 28 4  “NMI button” on page 28
5  “USB 3 (5 Gbps) connectors (3)” on page 28 6  “VGA connector” on page 28
7  “XCC system management port” on page 28 8  “Ethernet connectors on OCP module (optional)” on 
page 28
26 ThinkSystem SR665 V3 User Guide