1
Power supply 1
2
Power supply 2 (available on some models)
The hot-swap redundant power supplies help you avoid significant interruption to the operation of the
system when a power supply fails. You can purchase a power supply option from Lenovo and install the
power supply to provide power redundancy without turning off the server.
On each power supply, there are three status LEDs near the power cord connector. For information about
the status LEDs, see “Power supply status LEDs” on page 47.
3
PCIe slots on the system board
Slot
Physical link width
Negotiable link width
Supported card length and height
3
PCIe slot 6
x16
x8, x4, x2, x1
Low-profile card
4 5 6
PCIe slots on riser card assembly 2
Slot
Physical link width
Negotiable link width
Supported card length and height
4
PCIe slot 3
x16
x8, x4, x2, x1
Low-profile card
5
PCIe slot 4
x16
x8, x4, x2, x1
Low-profile card
6
PCIe slot 5
x16
x8, x4, x2, x1
Low-profile card
7 8
PCIe slots on riser card assembly 1
Slot
Physical link width
Negotiable link width
Supported card length and height
7
PCIe slot 1
x16
x8, x4, x2, x1
Half-length, full-height card
8
PCIe slot 2
x16
x8, x4, x2, x1
Half-length, full-height card
Note:
If your server is installed with only one microprocessor, only PCIe slots 1 and 2 are available.
9
System ID LED
When you press the ID button on the front panel, the ID LEDs on both the front and rear of the server are
lit to help you locate the server among other servers. You also can turn on the ID LEDs using a remote
management program for server presence detection.
Status
Color
Description
On
Blue
The server is identified.
Off
None
The ID LED is not in use or the server is not identified.
10
USB 3.0 connectors (2)
Used to attach a device that requires a USB 2.0 or 3.0 connection, such as a keyboard, a mouse, a scanner,
a printer, or a personal digital assistant (PDA).
24
ThinkServer RD450 User Guide and Hardware Maintenance Manual
Summary of Contents for ThinkServer RD450
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