Specifications – Lenovo ThinkServer RD550 User Manual
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– Status light-emitting diodes (LEDs) and diagnostic LEDs
For more information about the LEDs for your server, refer to the related topics in “Locations” on
page 16.
– Software programs
For more information about the software programs, see “Software” on page 13.
– Wake on LAN
Wake on LAN is an Ethernet computer networking standard that allows a computer or a server to be
turned on or woken up by a network message. The message is usually sent by a program running on
another computer on the same local area network.
• Advanced system management features
The advanced system management features are only available when the TSM detects the presence of a
TSM Premium. The TSM Premium is a remote management module. You can purchase a TSM Premium
from Lenovo and install it on the system board to activate the advanced system management features.
For more information about advanced system management, refer to the ThinkServer System Manager
User Guide, which is available for download at:
Specifications
This topic lists the physical specifications for your server.
Dimensions
Width without rack handles: 447 mm (17.59 inches)
Width with rack handles: 482 mm (18.98 inches)
Depth without rack handles: 779.8 mm (30.70 inches)
Depth with rack handles: 802.8 mm (31.61 inches)
Height: 43 mm (1.69 inches)
Weight
The product weight varies depending on different system configurations.
Range of product weight without package: 13.5 kg (29.76 lb) to 21 kg (46.29 lb)
Range of product weight with package: 19.8 kg (43.65 lb) to 27.3 kg (60.19 lb)
Environment
Your server complies with ASHRAE class A2 specifications. Depending on the hardware configuration, some
server models comply with ASHRAE class A3 and class A4 specifications. To comply with ASHRAE class
A3 and class A4 specifications, your server models need to meet the following hardware configuration
requirements at the same time:
• Lenovo-qualified CPU except the following types:
– 135-watt CPU (4-core, 6-core, or 8-core)
– 145-watt CPU (14-core or 18-core)
• Two power supplies (except the 1100-watt power supplies) installed for redundancy
The following table provides detailed information about the ASHRAE class specifications.
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ThinkServer RD550 User Guide and Hardware Maintenance Manual